Everyday Science Solved MCQs 300+

Adnan Hamdani 0

 




Everyday Science Solved MCQs 

If you want to learn past papers MCQs of PPSC you are here on right page. PPSC objective type MCQs with answers for entry tests online. Everyday Science MCQs are helpful for better marks in PPSC, FPSC, PMS entry tests. Solve MCQs also provides all subjects question answers for entry tests in MCQs quiz test.

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 Q.1: The beautiful color patterns exhibited by a peacock in its tail feathers are due to ?

  1. Selective absorption of light
  2. Selective re ection of light
  3. Sinterference of light
  4. Natural colour pattern of feathers

A

Q.2: A Fahrenheit thermometer indicates a temperature of ‘ 14°F. its corresponding reading on the Celsius scale will be —–?

  1. – 2O°C
  2. – 10°C
  3. + 10°C
  4. + 20°C

B

Q.3: The main constituent of hemoglobin is——?

  1. Chlorine
  2. Iron
  3. Calcium
  4. None of these

B

Q.4: Which of the following vitamins promote healthy functioning of eyes in human beings?

  1. Vitamin B
  2. Vitamin C
  3. Vitamin A
  4. Vitamin D

C

Q.5: The most important stimulant in tea leaves is?

  1. Caffeine
  2. Brucine
  3. Phenylalanine
  4. Theine

A

Q.6: The major part of natural gas, petroleum and coal consists of?

  1. Carbon
  2. Chlorine
  3. CFC
  4. Methane

D

Q.7: All matter is made of ——?

  1. Air
  2. Water
  3. Vibrations
  4. Atoms

B

Q.8: The autonomic nervous system innervates all of these except?

  1. Cardiac muscles
  2. Skeletal muscles
  3. Smooth muscles
  4. none

B

Q.9: One of the following countries produces maximum energy from atomic reactors?

  1. France (80% from its Nuclear Reactors)
  2. USA
  3. UK
  4. none

B

Q.10: Largest moon in our solar system is —-?

  1. Deimos
  2. Phobos
  3. Arche
  4. Ganymede

D

Q.9: When a ray of sunlight enters a dark room , its straight path become visible because of dust particles hanging in the air. It is because light is —–?

  1. Visible
  2. Transparent
  3. Invisible
  4. opaque
  5. None of these

A

Everyday Science Solved MCQs 2

Q.1: A device that converts mechanical energy into electric energy is called—-?

  1. Motor
  2. Transformer
  3. Coil
  4. Generator

B

Q.2: —– is anything that takes up space and has mass?

  1. Matter
  2. Gravity
  3. Energy
  4. Plasma

A

Q.3: What are considered the building blocks of matter?

  1. Molecules
  2. Protons
  3. Elements
  4. Atoms

D

Q.4: What are the three subatomic particles of an atom?

  1. Protons,Neutrons And Electrons
  2. Protons,Nucleus And Electrons
  3. Protons,Nucleus And Elements.
  4. Elements,Nucleus And Protons

A

Q.5: The protons and neutrons are found in the center of the atom, which is called the —–of the atom?

  1. Nucleus
  2. Headquarters
  3. Hub
  4. None of These

A

Q.6: ——- are positively (+) charged particles?

  1. Neutrons
  2. Electrons
  3. Protons
  4. None of These

C

Q.7: ——are negatively (-) charged particles of an atom?

  1. Protons
  2. Neutrons
  3. Electrons
  4. None of These

C

Q.8: —— have no charge?

  1. Neutrons
  2. Protons
  3. Electrons
  4. None of These

A

Q.9: Elements are made of —–?

  1. Atoms
  2. Molecules
  3. H2O
  4. Compounds

A

Q.10: SI unit of time is—–?

  1. kilo gram
  2. meter
  3. second
  4. volt

C

Everyday Science Solved MCQs 3

Q.1: Fuse wire is made of——-?

  1. 63% tin and 37% lead
  2. 63% lead and 37% tin
  3. 63% tin and 37% aluminum
  4. 63% lead and 37% aluminum

A

Q.2: Which one of the following is the main culprit in the thinning of Ozone layer in the earth’s stratosphere?

  1. Carbon dioxide
  2. Chlorofluorocarbons
  3. Nitrogen oxides
  4. Methane

B

Q.3: Steering of a car involves?

  1. A single force
  2. Two forces acting in the same direction
  3. Two forces acting along different lines and in opposite direction.
  4. A pair of forces acting along the same line and in opposite direction

D

Q.4: The property by virtue of which metals can be beaten into thin sheets is known as?

  1. Ductility
  2. Malleability
  3. Conductivity
  4. Density

B

Q.5: The sky appears blue because the earth’s atmosphere —–?

  1. Scatters blue light
  2. Reflects blue light
  3. Transmits blue light
  4. Has actual blue cover

A

Q.6: A tight-rope walker carries a long pole which he holds across his body. The purpose of this pole is to—–?

  1. Prop him up if he falls
  2. Spread out his weight and reduce the pressure on the rope
  3. Add extra weight to keep the rope tightly stretched
  4. To keep the Center of gravity always above vertically above the rope

D

Q.7: When water is filled in a bottle and is allowed to freeze, the bottle breaks because?

  1. Water expands on freezing
  2. Bottle contracts at freezing point
  3. temperature outside the bottle is less than that inside the bottle.
  4. None of the above

B

Q.8: People living in high altitudes (like mountains) usually have a —–?

  1. smaller number of Red Blood Cells
  2. larger number of Red Blood Cells
  3. smaller number of White Blood Cells
  4. larger number of White Blood Cells

B

Q.9: Copper is used in the production of——?

  1. Brick kilns
  2. Children toys
  3. Kitchen utilities
  4. Electric wires

D

Q.10: The blue colour of clear sky is due to——–?

  1. Reflection of light
  2. Refraction of light
  3. Diffraction of light
  4. Dispersion of light

D

Everyday Science Solved MCQs 4

 

Q.1: The number of electrons of a neutral atom is automatically known if one knows the?

  1. Atomic number
  2. Atomic weight
  3. Number of orbitals
  4. none

B

Q.2: Which of the following is not an enzyme?

  1. Chemotrypsin
  2. Secretin
  3. Pepsin
  4. none

B

Q.3: It is impossible for a type of O+ baby to have a type of——mother:

  1. AB-
  2. O-
  3. O+
  4. none

A

Q.4: Serum if blood plasma minus its?

  1. Calcium ions
  2. Clotting proteins
  3. Globulins
  4. none

B

Q.5: The damage to the—–nerve could result in the defect of the eye movement:

  1. Optic
  2. Trigeminal
  3. Abducens
  4. none

C

Q.6: Which of these is not a region of the spinal cord?

  1. Thoracic
  2. Pelvic
  3. Lumbar
  4. none

B

Q.7: The shape of the external ear is due to——?

  1. Elastic cartilage
  2. Fibrocartilage
  3. Articular cartilage
  4. none

A

Q.8: When a patient’s immune system becomes reactive to a drug, this is an example of?

  1. Super infection
  2. Drug resistance
  3. Allergy
  4. none

C

Q.9: What is the smallest unit of heredity?

  1. Chromosomes
  2. Gene
  3. Nucleotides
  4. none

B

Q.10: The approximate intensity level of the sound which can cause damage to the ear drum is?

  1. 20 dB
  2. 60 dB
  3. 100 dB
  4. 160 dB

C

Everyday Science Solved MCQs 5

Q.1: Phobos is the natural satellite of which planet—– ?

  1. Mars
  2. Venus
  3. Saturn
  4. Neptune

A

Q.2: Atom is made up of——different kinds of subatomic particles:

  1. Three
  2. Two
  3. Four
  4. None

A

Q.3: The alpha particles are compact clusters of——-?

  1. Electron and Proton
  2. Two Protons and two Neutrons
  3. Three protons and three Neutrons
  4. None

B

Q.4: The Beta particles are fast moving——?

  1. Protons
  2. Neutrons
  3. Electrons
  4. None

C

Q.5: The unit to measure the quantity of Ozone in atmosphere is?

  1. Dobson
  2. Dalton
  3. Cuolomb
  4. none

A

Q.6: The severity of 2005 earthquake in Pakistan on Richter scale was ?

  1. 6.9
  2. 7.6
  3. 7.1
  4. none

B

Q.7: Geiger-Muller counter is used to detect—–?

  1. Protons
  2. Neutrons
  3. Photons
  4. none

A

Q.8: Vacuum tubes have been replaced by—–?

  1. Conductors
  2. Diodes
  3. Transistors
  4. None of these

C

Q.9: It is a secondary plant nutrient?

  1. Nitrogen
  2. Phosphorus
  3. Sulphur
  4. none

C

Q.10: An area of microbiology that is concerned with the occurence of disease in human population is?

  1. Immunology
  2. Paracitology
  3. Epidemiology
  4. None

C

Everyday Science Solved MCQs 6

Q.1: Gulf streams are caused by—–?

  1. Cyclones
  2. Ocean Pressure
  3. Temperature
  4. Difference in water level

B

Q.2: The production of rubber tree is better adopted to areas where the climate is—–?

  1. Warm and humid
  2. Warm and dry
  3. Cool and moist
  4. cool and dry

A

Q.3: There are three types of plate boundaries i.e Divergent, Convergent and—-?

  1. Normal
  2. Transform
  3. Complex
  4. Plain

B

Q.4: The speed of light with the rise in the temperature of the medium—–?

  1. Decrease
  2. Increase
  3. Remain the same
  4. First decrease then increase

C

Q.5: AIDS virus is———–?

  1. Single-stranded RNA
  2. Single-stranded DNA
  3. Double-stranded RNA
  4. Double-stranded DNA

A

Q.6: Which Vitamin gets destroyed on heating?

  1. B
  2. E
  3. K
  4. C

D

Q.7: Cow milk is a rich source of——?

  1. vitamin C
  2. vitamin B
  3. vitamin A
  4. vitamin K

C

Q.8: Which of the following vitamins is synthesized in the body by intestinal bacteria—-?

  1. Vitamins B1
  2. Vitamins B12
  3. Vitamins E
  4. Vitamins K

D

Q.9: Mercury is also known as—–?

  1. Shine Silver
  2. Quick Silver
  3. Slow Silver
  4. Slippery Silver

B

Q.10: what kind of soil is treated with gypsum to make it suitable for cropping—?

  1. Alkaline
  2. Acidic
  3. Waterlogged
  4. Soil with excessive clay content

A

Everyday Science Solved MCQs 7

Q.1: A wind which reverses seasonally is known as—?

  1. Trade
  2. Cyclonic
  3. Monsoon
  4. Polar

C

Q.2: A canyon is a large form of —-?

  1. Dry valley
  2. Gorge
  3. Pediment
  4. Badiand

B

Q.3: Which of the statements to about the Troposphere is not true?

  1. It contains 85-90% of the atmosphere’s mass
  2. It contains nearly all the water and oxygen of the atmosphere
  3. It is the zone which exhibits changes in condition of weather
  4. It is about 350 km thick

D

Q.4: The final phase of a star’s evolution is determined by the star’s:

  1. Age
  2. Gravitational pull
  3. Density
  4. Mass

D

Q.5: Which of these is not a Metamorphic rock?

  1. Quartzite
  2. Slate
  3. Gneiss
  4. Schist

A

Q.6: Bore is caused by—?

  1. Rising tide while meeting river currents
  2. Friction from prevailing winds
  3. Spring tide and strong winds
  4. Unequal heating of oceans

A

Q.7: The strength of wave action depends on all these EXCEPT:

  1. Currents in the sea
  2. Wind strength
  3. Depth of coastal water
  4. Height of waves

A

Q.8: The areas around the North and South poles within the Polar circles is called ——-?

  1. The Torrid Zone
  2. The Frigid Zone
  3. The Temperature Zone
  4. The Hardiness Zone

B

Q.9: In the Composition of the earth, Aluminum is ——–?

  1. 27.5%
  2. 20.3%
  3. 14.5%
  4. 8.23%

D

Q.10: “Rancidity produced in butter can be decreased by adding quinoline to the butter”. This statements shows that ——–?

  1. Nothing is impossible
  2. Quinoline is an inhibitor
  3. Quinoline is a catalyst
  4. Quinoline is an activator

B

Everyday Science Solved MCQs 8

Q.1: A wind which reverses seasonally is known as—?

  1. Trade
  2. Cyclonic
  3. Monsoon
  4. Polar

C

Q.2: A canyon is a large form of —-?

  1. Dry valley
  2. Gorge
  3. Pediment
  4. Badiand

B

Q.3: Which of the statements to about the Troposphere is not true?

  1. It contains 85-90% of the atmosphere’s mass
  2. It contains nearly all the water and oxygen of the atmosphere
  3. It is the zone which exhibits changes in condition of weather
  4. It is about 350 km thick

D

Q.4: The final phase of a star’s evolution is determined by the star’s:

  1. Age
  2. Gravitational pull
  3. Density
  4. Mass

D

Q.5: Which of these is not a Metamorphic rock?

  1. Quartzite
  2. Slate
  3. Gneiss
  4. Schist

A

Q.6: Bore is caused by—?

  1. Rising tide while meeting river currents
  2. Friction from prevailing winds
  3. Spring tide and strong winds
  4. Unequal heating of oceans

A

Q.7: The strength of wave action depends on all these EXCEPT:

  1. Currents in the sea
  2. Wind strength
  3. Depth of coastal water
  4. Height of waves

A

Q.8: The areas around the North and South poles within the Polar circles is called ——-?

  1. The Torrid Zone
  2. The Frigid Zone
  3. The Temperature Zone
  4. The Hardiness Zone

B

Q.9: In the Composition of the earth, Aluminum is ——–?

  1. 27.5%
  2. 20.3%
  3. 14.5%
  4. 8.23%

D

Q.10: “Rancidity produced in butter can be decreased by adding quinoline to the butter”. This statements shows that ——–?

  1. Nothing is impossible
  2. Quinoline is an inhibitor
  3. Quinoline is a catalyst
  4. Quinoline is an activator

B

Everyday Science Solved MCQs 9

Q.1: What is meant by “Equinox”?

  1. The longest day
  2. The shortest day
  3. The sun-month long day
  4. Equal duration of day and night

D

Q.2: The distance of longitude represents how many minutes difference in time?

  1. 10 minutes
  2. 4 minutes
  3. 15 minutes
  4. 1 minute

B

Q.3: The season changes because of the ——?

  1. Moon is revolving round the earth
  2. Earth is revolving round its axis
  3. Earth is revolving round the sun
  4. Planet Mars is attracting the sun

C

Q.4: The largest latitude circle on earth is —-?

  1. Arctic circle
  2. Tropic of cancer
  3. Tropic of Capricorn
  4. The Equator

D

Q.5: The oldest barrage on the river Indus at Sukkur was built in—?

  1. 1932
  2. 1940
  3. 1930
  4. 1928

A

Q.6: Afternoon rains in the equatorial region are the result of influences —-?

  1. Land Breeze
  2. Monsoon
  3. Frontal
  4. Convectional

D

Q.7: When a warm air is lifted off the surface in temperature depression it is called —-?

  1. An occlusion
  2. A cold front
  3. An anticyclone
  4. A warm front

A

Q.8: Water vapour turns into clouds in the atmosphere when:

  1. It rains
  2. The temperature rise
  3. Dew point is reached
  4. Evaporation takes place

C

Q.9: Weather describe the condition of — at any one time.

  1. The earth
  2. The land surface
  3. The atmosphere
  4. The ionosphere

C

Q.10: The Stevenson screen contains all of these EXCEPT:

  1. Wet bulb thermometer
  2. Maximum thermometer
  3. Ordinary thermometer
  4. Anemometer

D

Everyday Science Solved MCQs 10

Q.1: One of the following ways of expressing the concentration of a solution does not depend on temperature. It is—–?

  1. Molarity
  2. Molality
  3. Normality
  4. Formality

B

Q.2: A substance which increases the efficiency of a catalyst is termed as:

  1. Promoter
  2. Activator
  3. Retarder
  4. Super catalyst

A

Q.3: The amount of energy required by the children of age between one to three years is——?

  1. 300 k Calories
  2. 600 k Calories
  3. 900 k Calories
  4. 1200 k Calories

D

Q.4: According to the definition of 1 KWh, a 100 watt bulb consumes one unit of electricity in——?

  1. 1 hours
  2. 5 hours
  3. 10 hours
  4. 15 hours

C

Q.5: In eye donation, which one of the following parts of donor’s eye is utilized ?

  1. Iris
  2. Lens
  3. Cornea
  4. Retina

C

Q.6: The ‘stone’ formed in human kidney consist mostly of——-?

  1. Calcium oxalate
  2. Sodium acetate
  3. Magnesium sulphate
  4. Calcium

A

Q.7: Approximately, how many times each day do our heart valves open and close normally?

  1. 10,000
  2. 1,00,000
  3. 1,50,000
  4. 2,00,000

B

Q.8: Quantity of fresh air required for a man is 1000 cubic feet of air for every——?

  1. 5 minutes
  2. 10 minutes
  3. 15 minutes
  4. 20 minutes

D

Q.9: What kind of weathering takes place on the valley side above the surface of the glacier?

  1. Plucking
  2. Abrasion
  3. Chemical weathering
  4. Frost shattering

D

Q.10: Rainfall related to mountains is:

  1. Orographic rainfall
  2. Normal rainfall
  3. Monsoon rains
  4. Cyclonic rainfall

A

Everyday Science Solved MCQs 11

Q.1: The increasing vapor pressure caused by heating a liquid is due to——?

  1. increase inter-molecular interactions
  2. increasing potential energy of molecules
  3. increasing kinetic energy of molecules
  4. decreasing surface tension

C

Q.2: Covalent network crystals have——-?

  1. higher melting point then molecular crystals
  2. lower melting point then molecular crystals
  3. discrete molecules linked by Van der waals forces
  4. hydrogen bonding

A

Q.3: Color of the glow produced in the discharge tube:

  1. depends on the pressure in the discharge tube
  2. depends on the metal used as cathode
  3. depends on the gas used in the discharge tube
  4. does not depend on the nature of the gas used in the discharge tube

C

Q.4: Nuclear radiation is emitted by those elements whose:

  1. molecules are stable
  2. molecules are unstable
  3. nuclei are stable
  4. nuclei are unstable

D

Q.5: Second ionization energy:

  1. is always less than first ionization energy
  2. is always greater than first ionization energy
  3. is equal to the first ionization energy
  4. may be greater or less than the first ionization energy depending on the nature of the element

B

Q.6: All of the following are electromagnetic radiations except—–?

  1. Red light
  2. Sound waves
  3. X-Rays
  4. Photon

B

Q.7: Which of the following has the highest energy?

  1. gamma rays
  2. X-rays
  3. Ultra-violet radiation
  4. radio waves

A

Q.8: Which of the following has the largest wavelength?

  1. visible light
  2. x-rays
  3. infrared light
  4. ultraviolet radiation

C

Q.9: Select the arrangement of electromagnetic radiation which starts with the lowest energy and increases to greatest energy?

  1. radio, visible, infrared, ultraviolet, x-ray, gamma ray
  2. radio, infrared, visible, x-ray, gamma ray, ultraviolet
  3. visible, radio, infrared, ultraviolet, x-ray, gamma ray
  4. radio, infrared, visible, ultraviolet, x-ray, gamma ray

D

Q.10: “Each electron in an atom must have its own unique set of quantum numbers” is a statement of——–?

  1. Aufbau principle
  2. Pauli exclusion principle
  3. Hund’s rule
  4. Periodic law

B

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Q.1: The SI base unit for mass is——-?

  1. Gram
  2. Pound
  3. Kilogram
  4. Ounce

C

Q.2: The average speed of a moving object during a given interval of time is always:

  1. the magnitude of its average velocity over the interval
  2. the distance covered during the time interval divided by the time interval
  3. one-half its speed at the end of the interval
  4. its acceleration multiplied by the time interval
  5. one-half its acceleration multiplied by the time interval

B

Q.3: Two automobiles are 150 kilometers apart and traveling toward each other. One automobile is moving at 60km/h and the other is moving at 40km/h mph. In how many hours will they meet?

  1. 2.5
  2. 2.0
  3. 1.75
  4. 1.5
  5. 1.25

D

Q.4: All of the following statements are incorrect except:

  1. Precision and accuracy should go side by side in a scientific work
  2. Scientific work must be precise, accuracy is not essential
  3. Scientific work must be accurate, precision is not essential
  4. Calculations must be made before any experiment

A

Q.5: An atom is——-?

  1. smallest indivisible particle in an element
  2. building block of an element
  3. always smaller than molecule
  4. smallest particle of an element which can undergo a chemical reaction

D

Q.6: Which of the following is a substance?

  1. Sea water
  2. Brass
  3. Tape water
  4. Graphite
  5. Sand

D

Q.7: Some substances are good conductor of electricity in both the solid and liquid states. These substances are generally——-?

  1. ionic substances
  2. metallic substances
  3. molecular solids
  4. covalent network solids

B

Q.8: All of the following substances are crystalline except——-?

  1. Ice
  2. Diamond
  3. Sucrose
  4. Plastic

D

Q.9: Honey contain glucose and fructose along with some other ingredients, it has greater viscosity due to——?

  1. hydrogen bonding
  2. irregular shape of the molecules
  3. irregular shape of the molecules and strong inter-molecular forces
  4. greater molecular size

C

Q.10: Rate of evaporation of petrol is greater than that of water at room temperature because:

  1. petrol molecules do not have any hydrogen bond
  2. petrol is an organic compound
  3. water molecules have small size
  4. petrol molecules have greater size

A

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Q.1: The SI base unit for mass is——-?

  1. Gram
  2. Pound
  3. Kilogram
  4. Ounce

C

Q.2: The average speed of a moving object during a given interval of time is always:

  1. the magnitude of its average velocity over the interval
  2. the distance covered during the time interval divided by the time interval
  3. one-half its speed at the end of the interval
  4. its acceleration multiplied by the time interval
  5. one-half its acceleration multiplied by the time interval

B

Q.3: Two automobiles are 150 kilometers apart and traveling toward each other. One automobile is moving at 60km/h and the other is moving at 40km/h mph. In how many hours will they meet?

  1. 2.5
  2. 2.0
  3. 1.75
  4. 1.5
  5. 1.25

D

Q.4: All of the following statements are incorrect except:

  1. Precision and accuracy should go side by side in a scientific work
  2. Scientific work must be precise, accuracy is not essential
  3. Scientific work must be accurate, precision is not essential
  4. Calculations must be made before any experiment

A

Q.5: An atom is——-?

  1. smallest indivisible particle in an element
  2. building block of an element
  3. always smaller than molecule
  4. smallest particle of an element which can undergo a chemical reaction

D

Q.6: Which of the following is a substance?

  1. Sea water
  2. Brass
  3. Tape water
  4. Graphite
  5. Sand

D

Q.7: Some substances are good conductor of electricity in both the solid and liquid states. These substances are generally——-?

  1. ionic substances
  2. metallic substances
  3. molecular solids
  4. covalent network solids

B

Q.8: All of the following substances are crystalline except——-?

  1. Ice
  2. Diamond
  3. Sucrose
  4. Plastic

D

Q.9: Honey contain glucose and fructose along with some other ingredients, it has greater viscosity due to——?

  1. hydrogen bonding
  2. irregular shape of the molecules
  3. irregular shape of the molecules and strong inter-molecular forces
  4. greater molecular size

C

Q.10: Rate of evaporation of petrol is greater than that of water at room temperature because:

  1. petrol molecules do not have any hydrogen bond
  2. petrol is an organic compound
  3. water molecules have small size
  4. petrol molecules have greater size

A

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Q.1: What sub-class of neutron star is known for its extremely high magnetic field?

  1. Magnetar
  2. Quasar
  3. Magneto
  4. Magnetta

A

Q.2: A pulsar is a rapidly spinning neutron star which emits:

  1. A blinding light when it aligns with the planets
  2. Radio waves detectable from Earth
  3. A gravitational pull which attracts high energy dust particles
  4. Enough energy to power itself indefinitely

B

Q.3: In a typical H-R diagram, stars are graphed by these two characteristics:

  1. Temperature and luminosity
  2. Luminosity and distance
  3. Distance and temperature
  4. Size and distance

A

Q.4: You have discovered a new celestial body. It has a thick atmosphere and it produces powerful cosmic winds and, when observed, the clouds obscure the body. You have determined it is this type of star.

·  Wolf-Rayet star

·  Red supergiant

·  Stellar storm

·  Pulsar

A

Q.5: When a star becomes a singularity and has zero volume and infinite density, it is called——–?

  1. White dwarf
  2. Blue giant
  3. Wolf-Raynet star
  4. Black hole

D

Q.6: PSR J0108-1431 is the closest known ——- to Earth?

  1. Black hole
  2. Red giant
  3. Quasar
  4. Pulsar

D

Q.7: Particle clouds from where stars are formed are known as——?

  1. Stellar nurseries
  2. Star clouds
  3. Event horizons
  4. Singularities

A

Q.8: This in-between phase of stellar nurseries and star formation in stellar evolution is when the gathered dust is still condensing to form a star.

·  Alpha Stage

·  Stellar Genesis

·  Protostar

·  Star of Adam

C

Q.9: Antares is of the largest known ——?

  1. Quasars Star
  2. Pulsars Star
  3. White Dwarfs Star
  4. Red Super-giants Star

D

Q.10: The sun is made up of 99.9% of ——– and ——-?

  1. Oxygen and Hydrogen
  2. Hydrogen and Sulfur
  3. Carbon and Silicon
  4. Hydrogen and Helium

D

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Q.1: ——- is used for measuring velocity?

  1. Speedometer
  2. Anemometer
  3. Odometer
  4. Hygrometer

A

Q.2: In the manufacture of banaspati ghee the gas used is —–?

  1. Helium
  2. Hydrogen
  3. Oxygen
  4. Nitrogen

B

Q.3: The chemical name of Laughing gas is——?

  1. Nitric oxide
  2. Nitrogen dioxide
  3. Nitrogen pentoxide
  4. Nitrous oxide

D

Q.4: Wood is the main raw material for the manufacture of ——?

  1. Paint
  2. Gun powder
  3. Paper
  4. Ink

C

Q.5: The pancreas secrets——?

  1. Insulin
  2. Vitamin A
  3. Bile juice
  4. none of these

A

Q.6: The common refrigerant used in domestic Refrigerator is——-?

  1. Neon
  2. Spirit
  3. Freon/Ammonia
  4. Methane

C

Q.7: A glass chimney stops an oil lamp from smoking because:

  1. It increases the supply of oxygen to the flame by convection
  2. The heat produced ensures complete
  3. Both to these
  4. Neither of these

C

Q.8: Most drugs are excreted through——-?

  1. Kidney
  2. Skin
  3. Gallbladder
  4. Lungs

A

Q.9: Insulin drug was discovered by——?

  1. Charles Herbert Best
  2. Prof John James Rickard Macleod
  3. Sir Frederick Grant Banting
  4. Leonard Thompson

C

Q.10: When our sun reaches the end of its red giant phase, it will turn into a——?

  1. Supernova
  2. White Dwarf
  3. Black Hole
  4. Neutron Star

B

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Q.1: On which disease did Robert Koch work?

  1. Tuberculosis
  2. Cholera
  3. Malaria
  4. Diabetes

A

Q.2: Sodium carbonate is produced by——?

  1. haber process
  2. Amonia solvay process
  3. decons process
  4. lead chamber process

B

Q.3: The scientific study of teeth is called ——?

  1. Odontology
  2. Ornithology
  3. Orthoepy
  4. Pedagogy

A

Q.4: Blood which heart pumps to lungs is—–?

  1. deoxygenated blood
  2. lymph fluid
  3. atria blood
  4. oxygenated blood

A

Q.5: Current stage of star ‘Sun’ is——?

  1. white dwarf
  2. red giant
  3. yellow dwarf
  4. orange dwarf

C

Q.6: If the length of a heater coil is reduced by 10% of its original length, then Power consumed by heater will?

  1. Increase over 10%
  2. Decrease by 10%
  3. Decrease by 0.5%
  4. Increase by 0.5%

B

Q.7: Sunlight is composed of——?

  1. Three colours
  2. six colours
  3. seven colours
  4. eight colours

C

Q.8: Which is least Conductor of Electricity among the following?

  1. Wood
  2. Copper
  3. Iron
  4. Water

A

Q.9: What does TCM stand for in medical terms?

  1. Techno Circuit Module
  2. Traditional Chinese medicine
  3. Tetra Carbon Mono oxide
  4. Tele Communication Management

B

Q.10: Which Gas is used in the preparation of Soft drinks?

  1. Oxygen
  2. Nitrogen
  3. Halogen
  4. Carbon dioxide

D

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Q.1: Which natural element has the highest melting point?

  1. Iron
  2. Tungsten
  3. Copper
  4. Silver

B

Q.2: Which is the hardest substance in the human body?

  1. Tooth enamel
  2. Skull
  3. Knee cap
  4. Rib

A

Q.3: Which of the following is not a mammal?

  1. Fish
  2. Cow
  3. Goat
  4. Whale

A

Q.4: Which Organ is affected by trachoma?

  1. Liver
  2. Lungs
  3. Eyes
  4. Brain

C

Q.5: Which vitamin is available to the human body through sun bathing?

  1. Vitamin A
  2. Vitamin D
  3. Vitamin K
  4. Vitamin B12

B

Q.6: Who first measured the velocity of light?

  1. Einstein
  2. Newton
  3. Ole Roemer
  4. Galileo

C

Q.7: In which part of the Plant does photosynthesis take place?

  1. Flowers
  2. Roots
  3. Stem
  4. Leaves

D

Q.8: Which of the following is affected by rickets in the human body?

  1. Bones
  2. Tissues
  3. Muscles
  4. Blood

A

Q.9: What is the common name for the drug acetyl salicylic acid?

  1. Paracetamol
  2. Analgin
  3. Aspirin
  4. Penicillin

C

Q.10: The sounds of which frequency are human beings most sensitive?

  1. 400 hertz
  2. 20 hertz
  3. 20000 hertz
  4. 5000 hertz

D

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Q.1: Which lenses are used by people having short-sightedness?

  1. Convex
  2. Concave
  3. Concavo-convex
  4. Plain

B

Q.2: Which of the following animals does not have nervous system?

  1. Bat
  2. Squirrel
  3. Sponges
  4. Lizard

C

Q.3: Which of the following is caused by a deficiency of iron in the diet?

  1. Giotre
  2. Scurvy
  3. Anaemia
  4. Rickets

C

Q.4: A group of elephants is called——?

  1. ZEAL
  2. Herd
  3. MOB
  4. TOWER

B

Q.5: Which liquid is used in an aneroid barometer?

  1. Mercury
  2. Alcohol
  3. Water
  4. None

D

Q.6: What is the range, in hertz, of the normal human hearing?

  1. 10 Hz to 10 kHz
  2. 20 Hz to 20 kHz
  3. 2000Hz
  4. 40 Hz to 40 kHz

B

Q.7: Who invented Logarithm Tables?

  1. John Napier
  2. John Doe
  3. John Harrison
  4. John Douglas

A

Q.8: How many pairs of walking legs does a cockroach have?

  1. One
  2. Two
  3. Three
  4. Four

C

Q.9: What causes mumps?

  1. Fungus
  2. Bacterium
  3. Deficiency of vitamins
  4. Virus

D

Q.10: In the treatment of which disease is dialysis used?

  1. Ulcers
  2. Heart failure
  3. Kidney failure
  4. Brain tumour

C

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Q.1: Science is derived from Latin word “scientia” which means—–?

  1. Reasoning
  2. Logic
  3. Knowledge
  4. Life

C

Q.2: Calculus was invented by—-?

  1. Al-khawarzimi
  2. Pythagoras
  3. IsaaC Newton
  4. Al.kindi

C

Q.3: Analytical solutions to Quadratic equations were introduced by—–?

  1. Al-Khawarzimi
  2. Al-haitham
  3. IsasacNewton
  4. Pythagoras

A

Q.4: Study of energy production in living bodies is called—–?

  1. Biology
  2. Biomechanics
  3. Bioenergetics
  4. Aerodynamics

C

Q.5: The study of rearing fine and intelligent human beings through genetics is called—–?

  1. Eugenics
  2. Biotechnology
  3. Cloning
  4. Geneology

A

Q.6: Name the drugs which block the sensory nerves and prevent the patient from feeling pain?

  1. Analgesics
  2. Antibiotics
  3. Antihistamines
  4. Anaesthetics

D

Q.7: Inside which organ is the gallbladder located?

  1. Pancreas
  2. Liver
  3. Kidney
  4. Small intestine

B

Q.8: Name the animal which can do without water in its entire life?

  1. Desert lizard
  2. Camel
  3. Kangaroo rat
  4. Cuttlefish

C

Q.9: Who first discovered how blood circulates in the human body?

  1. Edward Jenner
  2. Joseph Lister
  3. William Harvey
  4. Gregor Mendel

C

Q.10: Through which organ does a fish respire?

  1. Nose
  2. Lungs
  3. Gills
  4. Fins

C

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Q.1: The alcohol used in the preparation of dynamite is—-?

  1. ethyl alcohol
  2. glycol
  3. glycerol
  4. methyl alcohol

C

Q.2: The element used in lead pencils is—–?

  1. Zinc
  2. Lead
  3. Carbon
  4. Tin

C

Q.3: Epsom salt is chemically known as—–?

  1. Copper Sulfate
  2. Ferrous Sulfate
  3. Magnesium Sulfate
  4. None of these

C

Q.4: Calcium sulphate is known as—–?

  1. Epsom salt
  2. Gypsum salt
  3. Blue vitriol
  4. Potash alum

B

Q.5: Oil of vitriol is—–?

  1. Nitric acid
  2. Hydrochloric acid
  3. Phosphoric acid
  4. Sulfuric acid

D

Q.6: The term PVC used in the plastic industry stands for——-?

  1. Phosphavinyl chloride
  2. Phosphor vanadiu chloride
  3. Polyvinyl chloride
  4. Polyvinyl carbobate

C

Q.7: Human bone does not contain—–?

  1. Calcium
  2. Chondroitin sulfate
  3. Boron
  4. phosphate

C

Q.8: Which of the following in the human body is affected by leukemia?

  1. Blood
  2. Lungs
  3. Eyes
  4. Nerves

A

Q.9: The reaction between methane and chlorine in diffused sunlight is—–?

  1. Oxidation
  2. Reduction
  3. Polymerisation
  4. Radical substitution

D

Q.10: At what temperature does silver melt?

  1. 275 °C
  2. 327 °C
  3. 961.8 °C
  4. 100 °C

C

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Q.1: Radon is——?

  1. germon radio
  2. radio active gas
  3. artificial fibre
  4. an explosive

B

Q.2: Which of the following is the most toxic gas?

  1. Carbon dioxide
  2. Nitrogen
  3. Hydrogen
  4. Carbon monoxide

D

Q.3: The 2018 Nobel Prize in Physiology or Medicine has been awarded jointly to James P Allison and Tasuku Honjo for their discovery of which cancer?

  1. Chemotherapy
  2. Radiation
  3. Surgery
  4. Immunotherapy

D

Q.4: Air Conditioning Controls:——?

  1. Circulation of the Air
  2. Humidity
  3. Temperature
  4. All of The Above

D

Q.5: Earth rotates the sun in——?

  1. 24 hours
  2. 23 hours 57 min 9 sec
  3. Non of above
  4. 23 hours 56 min 4 sec

D

Q.6: Who created periodic table?

  1. Faraday
  2. Lavoisier
  3. Arrhenius
  4. Mendeleev

D

Q.7: Bauxite is an ore of—–?

  1. copper
  2. zinc
  3. aluminium
  4. iron

C

Q.8: Ruby is an oxide of—–?

  1. silver
  2. gold
  3. platinum
  4. aluminium oxide

D

Q.9: First Atomic theory was proposed by?

  1. John Dalton
  2. E.Rutherford
  3. De Broglie
  4. D.I.Mendeleef

A

Q.10: Air contains maximum amount of—–?

  1. oxygen
  2. nitrogen
  3. hydrogen
  4. carbon dioxide

B

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.1: Which synthetic fibre is known as artificial Silk?

  1. Nylon
  2. Rayon
  3. Cotton
  4. Terylene

B

Q.2: Which variety of glass is heat resistant?

  1. Bottle glass
  2. Flint glass
  3. Hard glass
  4. Pyrex glass

D

Q.3: The chemical used as a fixer in photography is—–?

  1. sodium sulphate
  2. borax
  3. sodium thiosulphate
  4. ammonium sulphate

C

Q.4: Which one of the following is the softest?

  1. sodium
  2. iron
  3. aluminium
  4. lithium

A

Q.5: Nail polish remover contains——?

  1. Acetone
  2. Benzene
  3. Acetic acid
  4. Petroleum ether

A

Q.6: What is a mixture of Potassium Nitrate Powdered Charcoal and Sulphur called?

  1. Paint
  2. Glass
  3. Gun Powder
  4. Cement

C

Q.7: Which is the heaviest metal?

  1. Iron
  2. Mercury
  3. Nickel
  4. Osmium

D

Q.8: Bleaching action of chlorine is by—-?

  1. Oxidation
  2. Reduction
  3. Decomposition
  4. Hydrolysis

A

Q.9: Bleaching powder contains——?

  1. Nitrogen
  2. Iodine
  3. Chlorine
  4. Bromine

C

Q.10: Which one of the following gases is readily soluble in water at room temperature?

  1. Chlorine
  2. Nitrogen
  3. Ammonia
  4. Carbon dioxide

C

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Q.1: What amount of fats give energy of 9.3 K Calories?

  1. 0.5 gram
  2. 1.0 gram
  3. 2.0 gram
  4. 4.1 gram

B

Q.2: Sound travels—- in solid materials then liquid?

  1. Constant
  2. Slowest
  3. Fastest
  4. None of these

C

Q.3: What Color does chlorophyll not absorb?

  1. Red
  2. Blue
  3. Green
  4. Yellow

C

Q.4: One Torr is equivalent to how many mm of Mercury?

  1. 1 mm
  2. 10 mm
  3. 100 mm
  4. 0.1 mm

A

Q.5: Saliva contains—–?

  1. Amylases
  2. Bite
  3. Trypsin
  4. None of these

A

Q.6: Which of the following regulates the Metabolism Of Sugar?

  1. Thyroid
  2. Insulin
  3. Glucose
  4. None of These

B

Q.7: Which Planet is Called Great Red Spot?

  1. Neptune
  2. Mars
  3. Jupiter
  4. Mercury

C

Q.8: Which blood group is universal receiver?

  1. Group A
  2. Group B
  3. Group AB
  4. GROUP O

C

Q.9: Which type of motions are present in solid?

  1. vibrational
  2. translational
  3. rotational
  4. all of these

A

Q.10: The alloy of aluminium used for making magnet is—–?

  1. Duralumin
  2. Y-Alloy
  3. Alnico
  4. Aluminium bronze

C

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Q.1: What is used in making of alloys?

  1. Gypsum
  2. Granite
  3. Chromium
  4. Lime-stone

C

Q.2: The large plates of solar pannels are painted?

  1. Red
  2. White
  3. Yellow
  4. Black

D

Q.3: According to the definition of 1 KWh, a 100 watt bulb consumes one unit of electricity in—–?

  1. 2 hours
  2. 5 hours
  3. 8 hours
  4. 10 hours

D

Q.4: Units of electricity consumed by 2500 watt air-conditioner in one hour are—–?

  1. 25 units
  2. 2.25 units
  3. 2.5 units
  4. 0.25 units

C

Q.5: In the electricity meter the digit to the extreme right is——?

  1. 1/5th of the unit
  2. 1/100 of the unit
  3. 1/10th of the unit
  4. 1/1000th of the unit

C

Q.6: For water purification, we use?

  1. Chlorine
  2. Bromine
  3. Plants
  4. Young man

A

Q.7: The human blood is divided into—– groups?

  1. Two groups
  2. Three groups
  3. Four groups
  4. Five groups

C

Q.8: A man can survive without food for at least?

  1. One month
  2. Two month
  3. Three month
  4. Four month

A

Q.9: The muscles, tissues and blood all are made up of——?

  1. Carbohydrate
  2. Vitamins
  3. Fats
  4. Proteins

D

Q.10: One gram of carbohydrates give energy of the amount?

  1. 2 K Calories
  2. 6.3 K Calories
  3. 8.0 K Calories
  4. 4.1 K Calories

D

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Q.1: In blood, the percentage of water is——?

  1. 75%
  2. 85%
  3. 90%
  4. 95%

C

Q.2: As the temperature of ice rises, the ice melts and its density?

  1. Decreases
  2. Remain constant
  3. Increases upto 10C
  4. Increases

D

Q.3: Nitrogen occurs in plant and animals in the form of ——?

  1. Minerals
  2. Fats
  3. Carbohydrates
  4. Proteins

D

Q.4: Air contains volume of carbon dioxide approximately?

  1. 3%
  2. 0.03%
  3. 33%
  4. 0.3%

B

Q.5: The gases which are used by drivers as an artificial atmosphere are helium and——-?

  1. Nitrogen
  2. Oxygen
  3. Neon
  4. Carbon monoxide

B

Q.6: The second most abundant metal found in the earth’s crust is——-?

  1. Iron
  2. Aluminium
  3. Calcium
  4. Sodium

A

Q.7: In BTU system, one BTU is equal to—–?

  1. 2055 Joule
  2. 1155 Joule
  3. 2155 Joule
  4. 1055 Joule

D

Q.8: In which system of units, gas bills are charged?

  1. SI
  2. CGS
  3. BTU
  4. CNG

C

Q.9: All forms of energy that we use are ultimately transformed into—–?

  1. Electrical Energy
  2. Light Energy
  3. Heat Energy
  4. Chemical Energy

C

Q.10: The amount of energy in wheat is—–?

  1. 100 K Calories/100 gram
  2. 245 K Calories/100 gram
  3. 348 K Calories/100 gram
  4. 490 K Calories/100 gram

C

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Q.1: Jupiter has —- known moons?

  1. 62
  2. 73
  3. 79
  4. 53

C

Q.2: A slow-running pendulum clock can be speeded up by——–?

  1. Increasing the length of the rod
  2. Increasing the weight of the bob
  3. Reducing the length of the rod
  4. Reducing the weight of the bob

C

Q.3: A man is standing on a weighing machine in a lift which is moving. The weighing machine will slow MINIMUM reading when, the lift is moving?

  1. Upward with uniform speed
  2. Downward with uniform acceleration
  3. In a free fall due to failure of the lift mechanism
  4. None of these

C

Q.4: The property by virtue of which metals can be beaten into thin sheets is known as?

  1. Ductility
  2. Malleability
  3. Conductivity
  4. Density

B

Q.5: A tight-rope walker carries a long pole which he holds across his body. The purpose of this pole is to——?

  1. Prop him up if he falls
  2. Spread out his weight and reduce the pressure on the rope
  3. Add extra weight to keep the rope tightly stretched
  4. To keep the centre of gravity always vertically above the rope

D

Q.6: During a total solar eclipse there is most likely to be——-?

  1. A decrease in the rate of photosynthesis
  2. An increase in the rate of photosynthesis
  3. A decrease in the rate of respiration
  4. No effect on either photosynthesis or respiration

A

Q.7: Heating element of an electric heater is made up of——?

  1. Tungsten
  2. Graphite
  3. Chromium
  4. Nichrome

D

Q.8: In an oil lamp, the oil rises up in the wick due to?

  1. Capillary action
  2. Atmospheric pressure
  3. Viscosity of oil
  4. Change in temperature

A

Q.9: Why are soft drink made with chilled water rather than water at room temperature?

  1. Ingredients dissolve better in chilled water
  2. Chilled water enhances the taste
  3. Chilled water attracts more carbon dioxide
  4. Chilled water is more hygienic

C

Q.10: Coke is made by heating coal in the absence of air at—–?

  1. 700 °C
  2. 900 °C
  3. 1300 °C
  4. 1700 °C

C

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Q.1: Freezing point of water is—–?

  1. 0 °C
  2. -2 °C
  3. -4 °C
  4. None of above

A

Q.2: The melting point of ice is—–?

  1. 00C
  2. 1000C
  3. 40C

D.-40C

A

Q.3: How many Dynes are there in one gram weight?

  1. 993
  2. 981
  3. 250
  4. 375

B

Q.4: “Ornithology” is the study of——-?

  1. Birds
  2. Insects
  3. Sea Plants
  4. Sea Animals

A

Q.5: ‘Bar’ is the unit of——?

  1. Temperature
  2. Heat
  3. Atmospheric pressure
  4. Current

C

Q.6: One Joule is equal to—–?

  1. 105 ergs
  2. 103 ergs
  3. 107 ergs
  4. 1011 ergs

C

Q.7: Scientist discovered a previously undetected feature of the human Anatomy that could be the largest organ of human body?

  1. Brass
  2. Pectora
  3. Interstitium
  4. Otic

C

Q.8: Which of the following does not pollute the air?

  1. Nitrogen Dioxide
  2. Sulfur dioxide
  3. Carbon dioxide
  4. none of these

A

Q.9: kilohertz (kHz) is a unit which measures?

  1. Power used by a current of one ampere
  2. Electromagnetic radio wave frequencies
  3. Voltage
  4. Electric resistance

B

Q.10: The study of heavenly bodies is known as—–?

  1. Astrology
  2. Astronautics
  3. Astrophysics
  4. Astronomy

D

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Q.1: In Space, our Body—-?

  1. Gains Weight
  2. Loses Weight
  3. No Change
  4. Little Change

B

Q.2: One Quintal is Equal to——?

  1. 70 kg
  2. 80 kg
  3. 90 kg
  4. 100 kg

D

Q.3: The Scientist who told “Heat is a form of Energy” was——?

  1. Thomas Alva Edison
  2. Newton
  3. Joule
  4. Kepler

C

Q.4: The Time taken for sunlight to reach the Earth is——?

  1. 700 sec
  2. 8hrs 20 mins
  3. 8 mins 20 sec
  4. 8 mins

C

Q.5: The Mirror used in the Automobiles are——?

  1. Concave
  2. Convex
  3. Plains
  4. Reflective

B

Q.6: The distance b/w Earth and Moon is——?

  1. 3,50,000km
  2. 3,60,100km
  3. 3,72,000km
  4. 3,84,400km

D

Q.7: How long does it take for the moon to orbit the earth once?

  1. 26.3 days
  2. 27.3 days
  3. 28.3 days
  4. 30.3 days

B

Q.8: The density of Air is——-?

  1. 0.225 kg/m3
  2. 1.025 kg/m3
  3. 1.225 kg/m3
  4. 1.425 kg/m3

C

Q.9: Density of Ice is—–?

  1. 800kg/m3
  2. 917kg/m3
  3. 930kg/m3
  4. 1000kg/m3

B

Q.10: Wind always blows from area of —-?

  1. Low pressure to high pressure
  2. Only low pressure
  3. Only high pressure
  4. High pressure to low pressure

D

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Q.1: Most abundant color in Earth is—–?

  1. Blue
  2. Green
  3. Brown
  4. Black

A

Q.2: Vitamin C deficiency leads to:——?

  1. Scurvy
  2. Cold
  3. Cancer
  4. Rickets

A

Q.3: Which of the following is a function of Vitamin A in the body?

  1. Vision, bone and body growth
  2. Immune defenses, maintenance of body linings and skin
  3. Normal cell development and reproduction
  4. All of the above

D

Q.4: Common food sources of Vitamin A are:——?

  1. Milk, eggs, butter, cheese, cream, and liver
  2. White sugar, honey, and sugar cane
  3. Broccoli, apricots, cantaloupe, carrots, sweet potato, spinach
  4. Both A and C

D

Q.5: The vitamin Folate works together with —– to produce new red blood cells?

  1. Vitamin D
  2. Vitamin A
  3. Vitamin B-12
  4. None of the above

C

Q.6: Which of the following is not a water soluble vitamin?

  1. Tocopherol
  2. Pyridoxine
  3. Pantothenic acid
  4. Niacin

A

Q.7: Which of the following is not a Fat-soluble vitamin?

  1. Vitamin B5
  2. Vitamin B6
  3. Vitamin B3
  4. Vitamin B2

B

Q.8: Deficiency of Iodine causes:——?

  1. Anemia
  2. Scurvy
  3. Goiter
  4. Rickets

C

Q.9: Growth is provided by—-?

  1. Protein
  2. Minerals
  3. Vitamins
  4. Carbohydrates

A

Q.10: The Percentage of Water used for Drinking in the world is?

  1. 1%
  2. 10%
  3. 3%
  4. 5%

A

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Q.1: Largest Galaxy in the Universe is—–?

  1. Andromeda Galaxy
  2. Milky-Way
  3. Spiral Galaxy
  4. Horseshoe Galaxy

C

Q.2: In which layer of atmosphere does commercial aircrafts usually fly?

  1. Stratosphere
  2. Troposphere
  3. Mesosphere
  4. Thermosphere

A

Q.3: Which gas was discovered on the sun about 151 years ago during total solar eclipse?

  1. Hydrogen
  2. Helium
  3. Nitrogen
  4. Flourine

B

Q.4: Approximate age of sun is —–?

  1. 4.4 billion years
  2. 4.5 billion years
  3. 4.6 billion years
  4. 4.7 billion years

C

Q.5: Approximate age of moon is —–?

  1. 4.51 billion years
  2. 4.55 billion years
  3. 4.53 billion years
  4. 4.57 billion years

C

Q.6: Approximate age of earth is —-?

  1. 4.14 billion years
  2. 4.64 billion years
  3. 4.54 billion years
  4. 4.34 billion years

C

Q.7: Approximate age of milky-way is —-?

  1. 16.5 billion years
  2. 13.5 billion years
  3. 15.5 billion years
  4. 14.5 billion years

B

Q.8: Nearest galaxy to our milky way is —-?

  1. Messier 81
  2. Andromeda
  3. Triangulum
  4. Whirlpool

B

Q.9: One Astronomical unit is equal to how much Km in whole numbers?

  1. 160 million km
  2. 140 million km
  3. 150 million km
  4. 130 million km

C

Q.10: The hard, solid rocks, whose composition or texture has been changed by heat or pressure in the Earth are called——?

  1. Metamorphic rocks
  2. Sedimentary rocks
  3. Igneous rocks
  4. All of the above

A

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Q.1: The Planet of the solar system which has Maximum number of moons is——?

  1. Jupiter
  2. Venus
  3. Saturn
  4. Uranus

A

Q.2: Boiling of an egg is a change which is—–?

  1. Physical
  2. Chemical
  3. Physiological
  4. Morphological

B

Q.3: What is the effect of height increase over temperature?

  1. Temperature increase
  2. Remains constant
  3. Temperature decrease
  4. None

C

Q.4: Lack of —- causes diabetes?

  1. Vitamins
  2. Sugar
  3. Insulin
  4. Calcium

B

Q.5: which Planet is Called Earth’s Sister?

  1. Mercury
  2. Venus
  3. Mars
  4. Neptune

B

Q.6: what are stars mainly made of ?

  1. Balls of gass
  2. Rock
  3. Ice
  4. Light

A

Q.7: Japan is called ‘Land of the rising sun’ because:

  1. Sun rises there as soon as it sets
  2. Sun always remains in the eastern past of the sky throughout the day in Japan
  3. Japan being the Eastern most country in the world, it has the earliest sunrise
  4. The rays of the sun get reflected from the waters of the sea and make the sunrise beautiful in Japan

C

Q.8: Water vapour beyond the dew point result in—–?

  1. Precipitation
  2. Hailstorm
  3. Condensation
  4. Formation of ice

C

Q.9: The volume of Blood in a Human body to be approximately —– of body weight?

  1. 6%
  2. 7%
  3. 8%
  4. 9%

B

Q.10: Cause of Malaria is —-?

  1. Dirty environment
  2. Pollution
  3. Mosquito
  4. None of above

C

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.1: Sun revolves around milky way in about — million years.

1.       225

2.       230

3.       245

4.       250

B

Q.2: Which of the following Rays are more Penetrating?

  1. Beta rays
  2. Alpha rays
  3. Gamma rays
  4. X-rays

C

Q.3: Which element is used as moderator in nuclear reactor?

  1. Light water
  2. Dense water
  3. Fresh water
  4. Heavy water

D

Q.4: Dengue Fever is also called——?

  1. Black Fever
  2. Breakbone Fever
  3. Plasmodium Fever
  4. Remittent Fever

B

Q.5: 1 BTU(British thermal unit) is equal to——?

  1. 955 joules
  2. 990 joules
  3. 1055 joules
  4. 1211 joules

C

Q.6: Microphone converts sound energy into ——?

  1. Microwaves
  2. Electrical signals
  3. Optical Signals
  4. Heat energy

B

Q.7: How long does the earth take to cover 1° longitude?

  1. 2 Minutes
  2. 3 Minutes
  3. 4 Minutes
  4. 5 Minutes

C

Q.8:Rusting of Iron involves——–?

  1. Reduction
  2. Oxidation
  3. Decomposition
  4. Displacement

B

Q.9: Glass is made of the mixture of——-?

  1. Quartz and Mica
  2. Sand and Salt
  3. Sand and Silicates
  4. None of these

C

Q.10:The major ingredient of leather is———?

  1. Collagen
  2. Polymer
  3. Nucleic acid
  4. None of these

A

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Q.1: Pathology is the study of——?

  1. Ethics
  2. Disease
  3. Future
  4. Cancer

B

Q.2: Which metallic element is liquid at room temperature?

  1. Zinc
  2. Nickel
  3. Lead
  4. Mercury

D

Q.3: The strongest part(s) of a magnet is/are —–?

  1. North pole
  2. South pole
  3. North and south pole
  4. Median of north and south pole

C

Q.4: A loudspeaker changes —– energy into sound energy?

  1. Chemical
  2. Electrical
  3. Light
  4. Kinetic

B

Q.5: Which Planet has purple rocks according to NASA ?

  1. Jupitar
  2. Neptune
  3. Earth
  4. Mars

D

Q.6: Battery was invented by—–?

  1. Nicolas Léonard Sadi Carnot
  2. Alessandro Volta
  3. Michael Faraday
  4. Friedrich Bessel

B

Q.7: The horizontal rows of the periodic table are called —?

  1. Groups
  2. Sets
  3. Matrices
  4. Periods

D

Q.8: Sun is moving around the centre of the galaxy at a velocity of —- km/s?

  1. 205
  2. 210
  3. 215
  4. 220

D

Q.9: The sun is containing —- % mass of the solar system?

  1. 75.24%
  2. 79.36%
  3. 89.10%
  4. 99.86%

D

Q.10: Sun is divided into — main layers?

  1. 2
  2. 3
  3. 4
  4. 5

B

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Q.1: Lactometer is used for—–?

  1. Ship
  2. Honey
  3. None
  4. Milk

D

Q.2: X-rays were discovered by —–?

  1. Wilhelm Conrad Roentgen
  2. Thomson
  3. Ernest Rutherford
  4. Bacquerel

A

Q.3: The gravitational pull at the lunar surface is —- of Earth?

  1. 1/3
  2. 1/4
  3. 1/5
  4. 1/6

D

Q.4: Year is longest on:——?

  1. Jupiter
  2. Earth
  3. Mercury
  4. Mars

A

Q.5: Segmented Worms take breath through:—–?

  1. Mouth
  2. Nose
  3. Moist Skin
  4. Head

C

Q.6: The most brightest planet amongst the eight planets?

  1. Mercury
  2. Jupiter
  3. Venus
  4. Neptune

C

Q.7: Who discovered the Gamma Rays?

  1. Alfred Marshall
  2. Paul Villard
  3. Bohar
  4. Jabar bin Hayan

B

Q.8: Which of the following female mosquito is the cause of Dengue fever?

  1. Aedes Aegypteis
  2. Anophilies
  3. Barinohils
  4. N.O.A

A

Q.9: Hepatitis is a disease of which of the following organ?

  1. Heart
  2. Liver
  3. Lungs
  4. Brain

B

Q.10: International date line passes through which strait?

  1. Malacca Strait
  2. Adam Strait
  3. Bering Strait
  4. Java Strait

C

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Q.1: Among the planets of the Solar system the position of the Earth from the Sun is:—–?

  1. Second
  2. Third
  3. Fourth
  4. Sixth

B

Q.2: Which of the followong spacecrsft enabled man to step on the moon first?

  1. Spuntnik I
  2. Luna II
  3. Vostok I
  4. Apollo XI

D

Q.3: Hailey’s comet is visible after every—–?

  1. 84 years
  2. 76 years
  3. 1000 years
  4. 365 years

B

Q.4: The setting sun often looks oval in the shape because of—–?

  1. The fact that sun really becomes oval in the evening
  2. Refraction of rays of sun passing through the atmosphere
  3. Optical Illusion
  4. Dispersion

B

Q.5: Which one of the following is applicable to the planet ‘Venus’?

  1. Brightest
  2. Most dense
  3. Smallest
  4. Largest

A

Q.6: Study of current and past landscapes formation is known as——?

  1. Morphology
  2. Aero logy
  3. Geo-morphology
  4. Biology

C

Q.7: Central Color of Rainbow is—–?

  1. Green
  2. Red
  3. Blue
  4. Indigo

A

Q.8: who invented bulb?

  1. Philips
  2. Robert
  3. Edison
  4. Willium

C

Q.9: Glucose syrup is made from—–?

  1. oat
  2. wheat
  3. maize
  4. rice

C

Q.10: Bamboo is a—–?

  1. Herb
  2. Grass
  3. Shurb
  4. Tree

B

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Q.1: Albatros is—–?

  1. A sea bird
  2. A beetle
  3. A fruit
  4. None

A

Q.2: Isobars are the lines connecting the places having same:——?

  1. Pressure
  2. Rainfall
  3. Height
  4. Temperature

A

Q.3: Spring tides occur on new moon and full moon days because on these days——-?

  1. Sun and earth are at right angles
  2. Sun and moon are at right angles
  3. Sun, moon and earth are in a straight line
  4. Earth and moon are at right angles

C

Q.4: Which of the following planets is fastest rotating planet?

  1. Mercury
  2. Marx
  3. Jupiter
  4. Venus

C

Q.5: Which of the following planets has the smallest diameters—?

  1. Mercury
  2. Marx
  3. Pluto
  4. Venus

A

Q.6: Which of the following is the largest planet?

  1. Neptune
  2. Jupiter
  3. Saturn
  4. Mars

B

Q.7: Who was the first to measure the earth’s radius?

  1. Galileo
  2. Copernicus
  3. Ptolemy
  4. Eratosthenes

D

Q.8: Which is the nearest star to our sun?

  1. Proxima Centurai
  2. Alpha Scorpii
  3. Beta Orionis
  4. Vega

A

Q.9: The Lunar eclipse occurs when:

  1. Moon is b/w the earth and the sun
  2. Earth is b/w the sun and the moon
  3. Sun is b/w the earth and the moon
  4. Earth is at right angles to the direction of the sun and the moon

B

Q.10: Most important effect of the moon on earth is that it——?

  1. Causes weather change
  2. Causes earthquakes
  3. Causes solar and lunar eclipse
  4. Effects tides of the ocean

D

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Q.1: The absorption of ink by blotting paper involves—–?

  1. Viscosity of ink
  2. Capillary action phenomenon
  3. Diffusion of ink through the blotting
  4. Siphon action

B

Q.2: Materials for rain-proof coats and tents owe their water proof properties to—-?

  1. Surface tension
  2. Viscosity
  3. Specific gravity
  4. Elasticity

A

Q.3: A satellite moving round the earth with a uniform speed has——?

  1. An accelerated motion
  2. No acceleration at all
  3. Uniform acceleration
  4. Uneven acceleration

C

Q.4: For being able to see three-dimensional pictures we have to use—–?

  1. A binocular
  2. A camera
  3. An epidiascope
  4. A stereoscope

D

Q.5: Water has maximum density at——?

  1. 0°C
  2. 4°C
  3. 4° K
  4. 4.8°C

B

Q.6: The theory of Expanding Universe was first propounded by——?

  1. Einstein
  2. Newton
  3. Gahleo
  4. Hubble

D

Q.7: An instrument to detect the purity of milk is——?

  1. Lactometer
  2. Hygrometer
  3. Manometer
  4. Sonometer

A

Q.8: Coulomb is the scientific unit to measure?

  1. Velocity
  2. Temperature
  3. Mass
  4. None OF These

D

Q.9: Who proposed this concept “All motion is relative”?

  1. Albert Einstein
  2. John Kepler
  3. Galileo Galilie
  4. None

A

Q.10: The field of specialization of famous Muslim scientist Abu Usman Aljahiz was?

  1. Botany
  2. Zoology
  3. Astronomy
  4. None

B

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Q.1: The primary function of the feathers in birds is to —–?

  1. Provide insulation for preserving body heat
  2. Provide striking surface to the wings for flying
  3. Make the body surface waterproof
  4. impart coloration for species as well as sex recognition

B

Q.2: The rear view mirror of a motor vehicle is —-?

  1. Concave
  2. Plane
  3. Convex
  4. Biconcave

C

Q.3: Lead ball falls through water more slowly than through air because —–?

  1. The value of ‘g’ is less in water
  2. Density of air is less than that of water
  3. Of the viscous force in water
  4. Of The surface tension of water

C

Q.4: Which one of the following sets of color combinations is added in color vision in TV’?

  1. Red, green and blue
  2. Orange, back and violet
  3. White. red and yellow
  4. Yellow, green and blue

A

Q.5: A train goes past a railway station at a high speed. A young boy standing on the edge of the platform is likely to —–?

  1. Remain unaffected
  2. Fall away from the train
  3. Fall towards the train
  4. Fall away from or towards the train depending upon the speed

C

Q.6: Water is a highly effective coolant for a car engine because —–?

  1. Water is good conductor of heat
  2. Water has very high specific heat capacity
  3. Water boils at a comparatively high temperature
  4. Evaporation of water produces lot of cooling

B

Q.7: Scalding with steam is more severe than scalding by boiling water because—-?

  1. Steam can penetrate the skin
  2. Steam is at a higher temperature
  3. Steam contains more energy than boiling water
  4. Steam is at a higher pressure

C

Q.8: In order to prevent the corrosion of iron pipes they are often coated with a layer of zinc. This process is termed as——?

  1. Electroplating
  2. Annealing
  3. Galvanization
  4. Vulcanization

C

Q.9: The cracking sound heard when dry hair is combed with a hard rubber comb is due to—–?

  1. The hair barging against the charged comb
  2. Small electric sparks
  3. The rubbing of the comb with the hair
  4. None of the above

B

Q.10: Detergents dissolved in water help in cleaning clothes by—–?

  1. Increasing the temperature of water
  2. Reacting chemically with dirt
  3. Reducing the surface tension of water
  4. Dissolving dirt

C

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Q.1: A lake starts freezing because of the cold atmosphere. It will first freeze?

  1. At the bottom
  2. ln the middle pan
  3. At the top surface
  4. Uniformly throughout the water body

C

Q.2: The sun appears red at sunrise and sunset while it appears white at noon, because?

  1. Of refraction
  2. It is cooler at sunrise and at sunset
  3. Of diffraction leading to red end of the spectrum reaching the earth.
  4. Of Scattering of light due to dust particles and air molecules?

B

Q.3: An astronaut inside a spacecraft is in a state of weightlessness. This implies that?

  1. The mass of the astronaut is reduced to zero
  2. Gravity inside the spacecraft ceases to act
  3. The astronaut is outside the influence of the earth’s gravitational force
  4. The astronaut and the spacecraft are both in a free-failing state

D

Q.4: An iceberg is floating in sea. How much of its mass will remain above the surface of water?

  1. One tenth
  2. One fifth
  3. One fourth
  4. One third

A

Q.5: Most of the ozone in the atmosphere is concentrated in the ——-?

  1. Mesosphere
  2. Troposphere
  3. Stratosphere
  4. ionosphere

C

Q.6: The cow’s milk contains how much amount of water in terms of percentage?

  1. 60%
  2. 65%
  3. 72%
  4. 80%

D

Q.7: T.V. transmission cannot cover a very large area because

·  the strength of T.V. waves is very limited

·  picture cannot be transmitted clearly after a specific distance

·  the shape of the earth is spherical

·  the air is not a good conductor of light and sound/waves

C

Q.8: The Green House Effect is caused by an excess of ?

  1. Carbon dioxide
  2. Carbon monoxide
  3. Carbon tetrachloride
  4. None of the above

A

Q.9: Bats can also fly in dark because they are capable of taking the help of —–?

  1. Ultraviolet Waves
  2. Ultrasonic Waves
  3. Electromagnetic Waves
  4. Special Retina

B

Q.10: What is ‘Stealth Technology‘?

  1. A device which when attached to an aircraft makes it invisible on the radar
  2. A coating which reduces the visibility of an aircraft on radar
  3. A Technology by which it is possible for the aircraft’s to spy in the enemy air-space
  4. A technology by using which paratroopers can be dropped stealthily behind the enemy columns.

B

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Q.1: Myopia is a disease connected with—–?

  1. Ears
  2. Eyes
  3. Lungs
  4. Brain

B

Q.2: Leukemia is a disease of the——?

  1. Lungs
  2. Blood
  3. Skin
  4. Nerves

B

Q.3: Short-sightedness can be corrected by using ——?

  1. Convex lens
  2. Convex-concave lens
  3. Concave-convex lens
  4. Concave lens

D

Q.4: Trachoma is a disease of the——?

  1. Liver
  2. Eyes
  3. Lungs
  4. Kidneys

B

Q.5: ECG is used for the diagnosis of aliments of ?

  1. Brain
  2. Kidneys
  3. Heart
  4. Lungs

C

Q.6: Dialysis is used for the treatment of—–?

  1. Kidney failure
  2. Heart weakness
  3. Brain diseases
  4. None of these

A

Q.7: Dolly is the name of the ?

  1. First cloned sheep
  2. First cloned monkey
  3. First test-tube baby
  4. First human fossil

A

Q.8: Which part of the Camera is analogue to the retina in the human eye?

  1. Lens
  2. Film
  3. Aperture
  4. Shutter

B

Q.9: When a person enters a dark room from bright light he is not able to see clearly for a little while because the?

  1. Eye is unable to adjust itself immediately
  2. Retina becomes insensitive momentarily
  3. Iris is unable to dilate the pupil immediately
  4. Distance between the lens and retina take time to adjust

C

Q.10: What is the average adult pulse rate?

  1. 140-150
  2. 115-125
  3. 72-80
  4. 60

C

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Q.1: Which is the largest organ in the human body?

  1. Liver
  2. Heart
  3. Skin
  4. Kidney

C

Q.2: A person of which of the following blood groups is called a universal donor?

  1. O
  2. AB
  3. A
  4. B

A

Q.3: Which gland in the human body is called the master gland?

  1. Pancreas
  2. Thyroid
  3. Pituitary
  4. Spleen

C

Q.4: How many bones are there in a newly born infant?

  1. 206
  2. 230
  3. 280
  4. 300

D

Q.5: Which of the following have maximum calorific value?

  1. Carbohydrates
  2. Fats
  3. Proteins
  4. Vitamins

B

Q.6: The average heartbeat per minute in a normal man is —–?

  1. 50
  2. 70
  3. 80
  4. 100

B

Q.7: A person with which of the following blood groups can receive blood of any group?

  1. A
  2. AB
  3. B
  4. O

B

Q.8: Malaria is a disease which effects the——?

  1. Heart
  2. Lungs
  3. Spleen
  4. Kidneys

C

Q.9: Which of the following diseases is caused by virus?

  1. Small pox
  2. Tuberculosis
  3. Malaria
  4. Cholera

A

Q.10: Medulla oblongata is a part of human ——?

  1. Heart
  2. Brain
  3. Liver
  4. Sex organ

B

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Q.1: Total volume of blood in a normal adult human being is

·  5-6 liters

·  3-4 liters

·  8-10 liters

·  10-12 liters

A

Q.2: Red blood corpuscles are formed in the——?

  1. Liver
  2. Bone marrow
  3. Kidneys
  4. Heart

B

Q.3=: How many bones are there in an adult human being?

  1. 210
  2. 260
  3. 206
  4. 300

C

Q.4: Tibia is a bone found in the ——?

  1. Skull
  2. Arm
  3. Leg
  4. Face

C

Q.5: The largest part of the human brain is ——?

  1. Medulla oblongata
  2. Cerebellum
  3. Cerebrum
  4. None of these

C

Q.6: What is the main component of bones and teeth?

  1. Calcium carbonate
  2. Calcium phosphate
  3. Calcium sulphate
  4. Calcium nitrate

B

Q.7: The main function of the kidney is ——?

  1. To control blood pressure
  2. To control body temperature
  3. To remove waste product from the body
  4. To help in digestion of food

C

Q.8: The function of hemoglobin is——?

  1. Transportation of oxygen
  2. Destruction of bacteria
  3. Prevention of anemia
  4. Utilization of energy

A

Q.9: Which of the following glands secrete tears?

  1. Lachrymal
  2. Pituitary
  3. Thyroid
  4. Pancreas

A

Q.10: Which is the largest gland in the human body?

  1. Thyroid
  2. Liver
  3. Pancreas
  4. None of these

B

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Q.1: Magnifying power of a simple microscope can be increased by ?

  1. increasing focal length of the lens
  2. Decreasing focal length of the lens
  3. Lens of large aperture
  4. lens of short aperture
  5. None of these

B

Q.2: A nuclear reactor is a device used to carry out controlled nuclear reaction whereas GM counter is a device used to detect?

  1. Current
  2. Voltage
  3. Nuclear Radiation
  4. power
  5. None of these

C

Q.3: A body can escape the gravitational pull of the earth if it is thrown up with a velocity of?

  1. 25 miles per sec
  2. 60 miles per sec
  3. 7 miles per sec
  4. 10 miles per sec
  5. None of these

C

Q.4: Night vision is possible with the help of ——?

  1. Red light
  2. Violet light
  3. Infrared Rays
  4. Ultra violet Light
  5. None of these

C

Q.5: Myopia is a defect of Human eye. it can be corrected by using a lens called?

  1. Convex lens
  2. Concave lens
  3. Cylindrical lens
  4. Plano convex lens
  5. None of these

B

Q.6: The instrument which i specially design for recording earth quake wave is called seismograph which measure earth quake waves on a ——?

  1. Diatonic scale
  2. Fahrenheit Scale
  3. Richter scale
  4. Celsius Scale
  5. None of these

C

Q.7: In humans , most nutrient molecules are absorbed by the ?

  1. Small intestine
  2. Stomach
  3. Liver
  4. Large intestine
  5. None of these

A

Q.8: Cobalt is a material which is ?

  1. Strongly attracted by a magnet
  2. Not attracted by a magnet
  3. not a magnet
  4. Weakly attracted by a magnet
  5. None of these

A

Q.9: What is the body temperature of a normal man?

  1. 81.1 °C
  2. 37.0 °C
  3. 98.6 °C
  4. 21.7 °C

B

Q.10: Which of the following helps in clotting of blood?

  1. Vitamin B1
  2. Vitamin B2
  3. Vitamin D
  4. Vitamin K

D

http://SolvedMCQs.Blogspot.com

Q.1: The principle used in radar is the same as that of Sonar. In radar we use radio waves ; whereas in sonar we use ?

  1. red waves
  2. Infrared waves
  3. Ultrasonic
  4. super sonic
  5. None of these

C

Q.2: In a fission nuclear reaction , a heavy nucleus breaks up into smaller nuclei whereas in another nuclear reaction two or more than two possibly nuclei are fused to form a heavy nucleus This nuclear reaction is called ?

  1. Chemical Reaction
  2. Nuclear reaction
  3. Fission nuclear reaction
  4. Fusion nuclear reaction
  5. None of these

D

Q.3: Parsec is a unit of ——?

  1. Energy
  2. Time
  3. Power
  4. Distance
  5. None of these

D

Q.4: German Silver is an alloy of——?

  1. Zn + Ni
  2. Cu + Zn
  3. Cu + Ni
  4. Cu + Sn
  5. None of these

C

Q.5: The Continent Antarctica lies at the—–?

  1. North pole
  2. South pole
  3. middle of the earth
  4. Equator
  5. None of these

B

Q.6: The temperature of the dead body is——–?

  1. 0 ‘C
  2. 37 ‘
  3. Room Temperature
  4. Temperature of the place where it is kept
  5. None of these

D

Q.7: Lactometer is a type of Hydrometer which is used to measure the specific gravity of —–?

  1. Honey
  2. Water
  3. Milk
  4. olive oil
  5. None of these

C

Q.8: Cusec is a unit of —–?

  1. Area
  2. Time
  3. Distance
  4. mass
  5. None of these

E

Q.9: The deepest place on earth is ——?

  1. Trench
  2. Mariana Trench
  3. Mangrove
  4. Groove
  5. None of these

B

Q.10: Twinkling of stars is caused by ?

  1. Reflection of light
  2. Polarization of light
  3. refraction of light
  4. Interference of light
  5. None of these

C

Everyday Science Solved MCQs Online Quiz Test

Q.1: Quartz crystal in quartz watches work on the principle called?

  1. Photoelectric effect
  2. Stark effect
  3. Thermionic effect
  4. Piezo-electric effect
  5. None of these

D

Q.2: The fruits without seed, like banana, are called——-?

  1. Seedless fruits
  2. Parthenogenesis fruits
  3. Parthenocarpic fruits
  4. placental fruits
  5. Organic fruits

C

Q.3: Animal which captures and readily kills living animals for its food is called——?

  1. Parasite
  2. Scavenger
  3. Predator
  4. Mammal
  5. None of these

C

Q.4: In a railway track, two rails are joined end to end with a gap tin between them because?

  1. Steel can be saved
  2. Accidents due to contraction in winter can be avoided
  3. Air gaps are necessary for bearing the weight of running train
  4. Accidents due to expansion in summer can be avoided
  5. All of these

B

Q.5: Name the famous book of Ibn-Sina in which he discussed human physiology and medicine ?

  1. Al-Qanun
  2. Al-Masudi
  3. New Renaissance
  4. Tadhkira
  5. None of these

A

Q.6: Water is heated in a kettlE. The inside water is heated by convection. A person sitting near the fire receives heat by —-?

  1. Conduction
  2. Convection
  3. Radiation
  4. Reflection
  5. None of these

C

Q.7: In winter an iron pipe feel colder than a wooden window . This is because wood is—-?

  1. Conductor
  2. Non-Conductor
  3. Semi- Conductor
  4. Not a solid while iron is a solid
  5. None of these

B

Q.8: The echo (reflected sounD. will be distinctly heard only at ordinary temperatures if the distance of the reflecting surfaces from the source of sound is at least —-?

  1. 1120 ft
  2. 120 ft
  3. 56 ft
  4. 100 ft
  5. None of these

C

Q.9: It is possible to recognize a person in the dark by simply hearing his unique voice . It is because of the—-?

  1. pitch
  2. Frequency
  3. Time period
  4. Quality
  5. None of these

A

Q.10: A six feet tall lady wants to see her full image in a plane mirror . The minimum length of the mirror will be ?

  1. 6 feet
  2. 12 feet
  3. 4 feet
  4. 3 feet
  5. None of these

D

 

 

 


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