2007
Paper I
Paper I
Q.7. Write only the correct answer in the Answer Book. Do not reproduce the question.
(1) The autonomic nervous system comprises of:
(a) Sympathetic nervous system
(b) Para-sympathetic nervous system
(c) Both (a) and (b)
(d) None of these
(c) Both (a) and (b)
(2) In Turtles, the dorsal plate is known as:
(a) carapace
(b) Plastron
(c) scutes
(d) None of these
(a) carapace
(3) The odd-toed ungulates are termed as:
(a) Perissodactyls
(b) Artiodactyls
(c) Paradactyls
(d) All of these
(a) Perissodactyls
(4) The functional kidney of adult fishes is:
(a) Pronephros
(b) Mesonephros
(c) Metanephros
(d) None of these
(a) Pronephros
(5) The telencephalon & diencephalons are part of:
(a) Mid-brain
(b) Hind brain
(c) Fore brain
(d) All of these
(c) Fore brain
(6) The sense organs of taste in tongue are known as:
(a) Olfactoreceptors
(b) Gustatoreceptors
(c) cutaneous receptors
(d) All of these
(b) Gustatoreceptors
(7) The process of cartilage formation is known as:
(a) chondrioblasts
(b) Chondriocytosis
(c) chondriogenesis
(d) None of these
(c) chondriogenesis
(8) Significant flight muscles in birds is:
(a) Pectoral
(b) Appendicular
(c) Tensor
(d) All of these
(a) Pectoral
(9) Typical character of a mammal is:
(a) Hairs
(b) Mammary glands
(c) Only (a)
(d) Both (a) and (b)
(d) Both (a) and (b)
(10) Body wall of obelia is:
(a) Monoblastic
(b) Diploblastic
(c) Triploblastic
(d) None of these
(b) Diploblastic
(11) The arrangement of the organs of an animal in a series of similar units along the longitudinal axis of the body is called:
(a) Pseudometamerism
(b) Parametamerism
(c) Metamerism
(d) Prometamerism
(c) Metamerism
(12) The white blood corpuscles of the cockroach are called as:
(a) Haematocyte
(b) Haematoclast
(c) Haemoblast
(d) Leucocyte
(a) Haematocyte
(13) Hormone which control molting in insects is:
(a) cardisone
(b) ecdysone
(c) ecdycortisone
(d) None of these
(b) ecdysone
(14) In Sycon water leave the sponge through:
(a) ostia
(b) osculum
(c) Madriporite
(d) All of these
(b) osculum
(15) Flame cells are commonly found in:
(a) Platyhelminthes
(b) Annelida
(c) Coelenterata
(d) All of these
(a) Platyhelminthes
(16) The number of vertebrae in horse neck are:
(a) 5
(b) 6
(c) 7
(d) 10
(c) 7
(17) The group in which RBC’s are mostly non-nucleated:
(a) Amphibians
(b) Birds
(c) Mammals
(d) All of these
(c) Mammals
(18) Cockroach is dissected from side:
(a) dorsal
(b) ventral
(c) Lateral
(d) Both (a) and (b)
(a) dorsal
(19) Heart of fish is:
(a) Open
(b) Single circuit
(c) Double circuit
(d) Both (b) and (c)
(b) Single circuit
(20) Round worms belong to:
(a) Platyhelminthes
(b) Annelida
(c) Centipedesa
(d) None of these
(d) None of these
Paper II
Q.8. Write only the correct answer in the Answer Book. Do not reproduce the question.(1) Chemical composition of Ribosomes is:
(a) DNA
(b) RNA
(c) DNA & Protein
(d) RNA & Protein
(d) RNA & Protein
(2) Electron Transport chain is located in:
(a) cytoplasm
(b) mitochondria
(c) lysosmes
(d) Nucleus
(b) mitochondria
(3) Transcription involve the synthesis of:
(a) Mrna
(b) rRNA
(c) tRNA
(d) All of these
(a) Mrna
(4) XXY individual in Drosophila (Fruit fly) is:
(a) male
(b) female
(c) sterile
(d) All of these
(a) male
(5) Ecological niche is of an individual:
(a) address
(b) profession
(c) Both (a) and (b)
(d) None of these
(c) Both (a) and (b)
(6) Crossing over involve the formation of:
(a) desmonstomata
(b) chromonemata
(c) chiasmata
(d) All of these
(c) chiasmata
(7) Attachment of O2 with hemoglobin to form oxyhemoglobin is a change:
(a) Physical
(b) Chemical
(c) Both (a) and (b)
(d) None of these
(c) Both (a) and (b)
(8) Acetylcholine is a:
(a) chemical transmitter
(b) electrical transmitter
(c) physical transmitter
(d) None of these
(a) chemical transmitter
(9) In Blood groups gene IA and IB are:
(a) Co-dominant
(b) Co-recessive
(c) Dominant recessive
(d) Incomplete Dominant
(a) Co-dominant
(10) The idea of Lamarack on evolution is based upon:
(a) Use & Disuse of organs
(b) Acquired character
(c) Both (a) and (b)
(d) None of these
(c) Both (a) and (b)
(11) Ammonia is the excretory nitrogenous waste:
(a) Primary
(b) Secondary
(c) Tertiary
(d) None of these
(a) Primary
(12) Special functions of smooth Endoplasmic reticulum is:
(a) Lipid synthesis
(b) Glycogenolysis
(c) Detoxification
(d) All of these
(d) All of these
(13) In birds sex is determined by the type of:
(a) Sperms
(b) Eggs
(c) Both (a) and (b)
(d) None of these
(b) Eggs
(14) The Pre-Historic atmosphere of earth had:
(a) methane
(b) ammonia
(c) hydrogen sulphide
(d) All of these
(d) All of these
(15) C. Linneous proposed the method of naming organisms:
(a) uninominal
(b) binomial
(c) trinomial
(d) None of these
(b) binomial
(16) Trypsin is protease secreted in:
(a) Bile
(b) Saliva
(c) Gastric juice
(d) Pancreatic juice
(d) Pancreatic juice
(17) Cerebellum is the part of brain:
(a) Forebrain
(b) Mid-brain
(c) Hind-brain
(d) Spinal cord
(c) Hind-brain
(18) The constriction of centromere is called as:
(a) Primary
(b) Secondary
(c) Tertiary
(d) All of these
(a) Primary
(19) Gene for Haemophilia in man is located on:
(a) autosome
(b) X-chromosome
(c) Y-chromosome
(d) All of these
(b) X-chromosome
(20) DNA duplicate during:
(a) Prophase
(b) Metaphase
(c) Telophase
(d) Interphase
(d) Interphase
2009
Paper I
Paper I
Q1. Select the best option.
i) What is the function of contractile vacuole?
a) Respiration
b) reproduction
c) Osmoregulation
d) digestion
e) None of these
c) osmoregulation
ii) Specules are secreted by special mesenchymal amoebocytes called
a) scleroblasts
b) microscleres
c) myocytes
d) collencytes
e) None of these
e) None of these
iii) true nerve cells or ganglion cells occur for the first time in
a) protozoa
b) porifera
c) coelentrata
d) annelida
e) None of these
e) None of these
iv) The process by which an organism can replace its lost or damaged body parts is called
a) reformation
b) regeneration
c) reclamation
d) reconstruction
e) None of these
b) regeneration
v) nematocysts are found in
a) protozoa
b) porifera
c) annelida
d) mollusca
e) None of these
e) None of these
vi) in polychaetes the locomotory organ is
a)pseudopodium
b) neuropodium
c) notopodium
d) parapodium
e) None of these
d) parapodium
vii) worms belonging to phylum platyhelminthes are commonly known as
a)round worms
b) ring worms
c) segmented worms
d) earth worms
e) None of these
e) None of these
viii) bipinnaria is the larval form of
a) coelentrata
b) polychaeta
c) echinodermata
d) cestoda
e) None of these
c) echinodermata
ix) closed type of circulatory system is found in
a) platyhelminthes
b) annelida
c) porifera
d) arthropoda
e) None of these
b) annelida
x) the two common mosquito genera ,anopheles and culex, can be easily identified by
a) color
b) flying speed
c) size
d) sitting posture
e) None of these
d) sitting posture
xi) sweat glands are epidermal glands found in
a) all birds
b) reptiles and mammals
c) mammals only
d) birds and reptiles
e) None of these
c) mammals only
xii)sternum is absent in
a) mammals
b) birds
c) amphibians
d) fishes
e) None of these
c) amphibians
xiii) amphioxus belongs to
a) cephalochordata
b) hemichordata
c) urochordata
d) cyclostoma
e) None of these
a) cephalochordata
xiv) the urochordates or tunicates are marine animals commonly known as
a) sea cucumber
b) sea squirts
c) sea urchin
d) sea star
e) None of these
b) sea squirts
xv) optic lobes are found in
a) fore brain
b) mid brain
c) hind brain
d) medulla
e) None of these
b) mid brain
xvi) the number of cervical vertebrae in most mammals is
a) 2
b) 4
c) 9
d) 11
e) None of these
e) None of these
xvii) lymph hearts are absent in
a) fishes
b) amphibians
c) reptiles
d) mammals
e) none of these
d) mammals
xviii) the lymph capillaries coming from intestinal villi are called
a) veins
b) lymph nodes
c) lacteals
d) lymph ducts
e) None of these
c) lacteals
xix) how many caudal vertebrae are found in man?
a) 1-2
b) 3-4
c) 5-6
d) 7-8
e) None of these
b) 3-4
xx) the inner membrane of the two foetal membranes in reptiles, birds and mammals is called
a) chorion
b) amnion
c) peritoneum
d) pericardium
e) None of these
b) amnion
Paper II
Q1. Select the best option.i) Which part of the brain detects the temperature changes in the blood?
a) cerebellum
b) cerebral hemisphere
c) hypothalamus
d) medulla
e) None of these
c) hypothalamus
ii) From which of the following is urea formed?
a) Fat
b) glycerol
c) proteins
d) starch
e) None of these
c) proteins
iii) Where are hormones destroyed?
a) adrenal gland
b) kidney
c) liver
d) pancreas
e) None of these
c) liver
iv) During the beating of the heart, in which region will the highest pressure develop?
a) left atrium
b) left ventricle
c) pulmonary artery
d) right ventricle
e) None of these
b) left ventricle
v) which molecules are are produced by the digestion of starch and proteins?
a) glycerol and amino acids
b) glycerol and fatty acids
c) sugar and amino acids
d) sugar and fatty acids
e) None of these
c) sugar and amino acids
vi) which type of the cell stimulates the release of adrenaline?
a) white blood cell
b) muscle cell
c) pancreatic cell
d) red blood cells
e) None of these
b) muscle cell
vii)which secretion, released into the ailementary canal, contains no enzyme, but speeds up fat digestion?
a) bile
b) intestinal juice
c) mucus
d) pancreatic juice
e) None of these
a) bile
viii)which of the following normally enters the blood as it passes through the pancreas?
a) amino acids
b) glycogen
c) insulin
d) lipase
e) None of these
c) insulin
ix) which of the following is the example of discontinuous variation?
a) blood group
b) height
c) intelligence
d) weight
e) None of these
a) blood group
x) which of the following would be more prominent in a secretory cell than in the non secretory cell?
a) golgi apparatus
b) mitochondria
c) ribosomes
d) pinocytotic vesicles
e) None of these
a) golgi apparatus
xi) which of the following is both found in DNA and mRNA?
a) ribose
b) thyamine
c) sugar-phosphate chain
d) double helix structure
e) None of these
c) sugar-phosphate chain
xii) which is carried by the molecule of transfer RNA?
a) an amino acid molecule
b) enzymes for protein synthesis
c) information from the DNA
d) sequence of codons
e) None of these
a) an amino acid molecule
xiii) The populations of all the species in a given habitat are referred to as
a) biosphere
d) community
c) ecosphere
d) ecosystem
e) None of these
d) community
xiv) which of the following is not recycled in ecosystem?
a) carbon
b) energy
c) sulphur
d) water
e) None of these
b) energy
xv) in most ecosystems, the greatest amount of energy flows through the,
a) secondary consumers
b) herbivores
c) carnivores
d) decomposers
e) None of these
d) decomposers
xvi) during which phase of meiosis are chiasmata formed?
a) prophase I
b) metaphase II
c) metaphase I
d) telophase II
e) None of these
a) prophase I
xvii) Who proposed the mutation theory of evolution?
a) Lamarck
b) Darwin
c) De Vries
d) Wallace
e) None of these
c) de vries
xviii) During which phase of meiosis do homologous chromosomes separate?
a) prophase I
b) prophase II
c) anaphase I
e) None of these
a) prophase I
xix) in a DNA molecule,the basis of Pyrimidine are
a) thymine and cytosine
b) cytosine and guanine
c) adenine and thymine
d) thymine and guanine
e) None of these
a) thymine and cytosine
xx)Triassic and Jurassic periods are included in the
a) palaeozoic era
b) mesozoic era
c) coenozoic era
d) proterozoic era
e) None of these
b) mesozoic era
2010
Paper I
Paper I
Q.1. Select the best option/answer and fill in the appropriate box on the Answer Sheet. (20)
(i) Choanocytes are found in?
(a) Coelentrate
(b) Annelida
(c) Porifera
(d) Arthropoda
(e) All of these
(c) Porifera
(ii) House fly is a common insect having ______ legs.
(a) 4
(b) 6
(c) 8
(d) None of these
(a) 4
(iii) Silver fish is included in:
(a) Pisces
(b) Arthropoda
(c) Annelida
(d) None of these
(c) Annelida
(iv) Number of vertebrae in neck of a giraffe are:
(a) 10
(b) 5
(c) 7
(d) None of these
(c) 7
(v) Flame cell is typical of:
(a) Annelida
(b) Chordata
(c) Porifera
(d) Platyhelminthes
(e) None of these
(d) Platyhelminthes
(vi) Nervous system originates from:
(a) Epidermis
(b) Mesodermis
(c) Endodermis
(d) None of these
(e) All of these
(d) None of these
(vii) Mammals are characterized by:
(a) Mammary Glands
(b) Hair
(c) All of these
(d) None of these
(c) All of these
(viii) Nucleus is not present in RBC of:
(a) Fish
(b) Snake
(c) Bird
(d) Mammal
(e) None of these
(e) None of these
(ix) Scales in fish derive their origin from:
(a) Epidermis
(b) Mesodermis
(c) Endodermis
(d) None of these
(b) Mesodermis
(x) Sound in insect is produced through:
(a) Mouth
(b) Tracheal movements
(c) Wing beat
(d) None of these
(c) Wing beat
(xi) Sole of foot in man has ______ location:
(a) Dorsal
(b) Ventral
(c) lateral
(d) None of these
(b) Ventral
(xii) Coelome in adult mammals is represented by:
(a) Visceral cavity
(b) Cavity in brain
(c) Both of these
(d) None of these
(a) Visceral cavity
(xiii) The Skeleton in insects is:
(a) Exoskeleton
(b) Endoskeleton
(c) None of these
(d) Both of these
(a) Exoskeleton
(xiv) Sea horse is included in:
(a) Mammals
(b) Fish
(c) Reptiles
(d) None of these
(b) Fish
(xv) Circulatory system is open type in:
(a) Annelida
(b) Insects
(c) Mammals
(d) None of these
(b) Insects
(xvi) The body cavity is regarded as pseudocoele in Nematodes because:
(a) Has ectodermal origin
(b) Not completely lined by Mesodermal epithelium
(c) Has endodermal origin
(d) None of these
(e) All of these
(b) Not completely lined by Mesodermal epithelium
(xvii) True metameric segmentation is characteristic of:
(a) Molluses
(b) Annelida
(c) Arthropoda
(d) None of these
(b) Annelida
(xviii) Hollow dorsal nervous system is present in:
(a) Amphiexus
(b) Fish
(c) Mammals
(c) None of these
(e) All of these
(e) All of these
(xix) Contractile vacuole in protozoa is mainly responsible for:
(a) Excretion
(b) Osmoregulation
(c) respiration
(d) None of these
(b) Osmoregulation
(xx) Scorpion is included in:
(a) Insects
(b) Arachnida
(c) Echinodermata
(d) None of these
(b) Arachnida
Paper II
Q.1. Select the best option/answer and fill in the appropriate box on the Answer Sheet. (20)
(i) Cell membrane is formed of:
(a) Carbohydrate
(b) Lipid
(c) Protein
(d) Lipoprotein
(e) None of these
(d) Lipoprotein
(ii) Electron transport chain reaction occur in:
(a) Cell membrane
(b) Cell wall
(c) Endoplasm
(d) Mitochondrion
(e) None of these
(d) Mitochondrion
(iii) Ribosomes in cell are responsible for:
(a) Protein formation
(b) Glycolysis
(c) Lipid breakdown
(d) All of these
(e) None of these
(a) Protein formation
(iv) Golgi complex is responsible for:
(a) Carbohydrate metabolism
(b) Protein synthesis
(c) Lipid synthesis
(d) None of these
(e) All of these
(e) All of these
(v) Basic excretory chemicals in all the cells is:
(a) Urea
(b) Uric acid
(c) Ammonia
(d) None of these
(e) All of these
(b) Uric acid
(vi) Oxygen transport from lungs to tissue occurs through:
(a) Difference in pressure
(b) Solubility in plasma
(c) Attachment with RBC surface
(d) None of these
(e) All of these
(c) Attachment with RBC surface
(vii) FSH (Follicle Stimulating Hormone) is produced in:
(a) Ovary
(b) Hypothalamus
(c) Pituatary
(d) None of these
(e) All of these
(c) Pituatary
(viii) Lipase is an enzyme responsible for:
(a) Carbohydrate metabolism
(b) Lipid breakdown
(c) Protein breakdown
(d) None of these
(a) Carbohydrate metabolism
(ix) Law of segregation is applicable to:
(a) Homozygous individual
(b) Heterozygous individual
(c) Both Homozygous and heterozygous
(d) None of these
(d) None of these
(x) Sex linked genes concern:
(a) Sex characters
(b) Somatic character
(c) Mostly somatic character
(d) None of these
(a) Sex characters
(xi) XXY individual in man is a phenotypic male, because:
(a) Two X chromosomes are present
(b) Y-chromosome is present
(c) Both X and Y chromosomes are present
(d) None of these
(b) Y-chromosome is present
(xii) Trisomic condition can be produced through:
(a) Primary Non-disjunction
(b) Secondary non-disjunction
(c) Both a and b
(d) None of these
(a) Primary Non-disjunction
(xiii) First living organism on this planet was:
(a) A protozoan
(b) An algae
(c) Bacteria
(d) A virus
(e) None of these
(c) Bacteria
(xiv) Theory of Natural Selection was proposed by:
(a) Charles Darwin
(b) A.R. Wallace
(c) Both a and b
(d) None of these
(a) Charles Darwin
(xv) Lamarck’s theory of inheritance of acquired characters says:
(a) Environment forces a character
(b) Environment selects a character
(c) Environment has no effect
(d) None of these
(a) Environment forces a character
(xvi) Orthoselection means:
(a) Selection occurring at different times
(b) Selection occurring at different rates
(c) Selection occurring in one direction
(d) None of these
(e) All of these
(c) Selection occurring in one direction
(xvii) Haeckle’s biogenetic law says:
(a) Ontogeny repeats phylogeny
(b) Phylogeny repeats ontogeny
(c) None of these
(d) Both a and b together
(a) Ontogeny repeats phylogeny
(xviii) Ecosystem is a system involving biotic and abiotic components which:
(a) Interact
(b) Interact for energy flow
(c) No interaction
(d) None of these
(b) Interact for energy flow
(xix) Nitrogen biogeochemical cycle is regarded as gasous cycle because:
(a) Nitrogen is a gas
(b) Recycling is almost complete
(c) Major part of cycle is in gasous state
(d) None of these
(a) Nitrogen is a gas
(xx) Raw material for evolution are variation, which are produced through:
(a) Gene mutation
(b) Chromosomal aberration
(c) Both a and b
(d) None of these
(a) Gene mutation
2011
PAPER-I
PAPER-I
(i) The disease causing protozoan is:
(a) Amoeba
(b) Paramecium
(c) Stentor
(d) Trypanosoma
(e) None of these
(a) Amoeba
(ii) Binucleate protozoan is:
(a) Mastigo-amoeba
(b) Toxoplasma
(c) Didymium
(d) Trichonympha
(e) None of these
(e) None of these
(iii) Spicules in sponges are secreted by cells called:
(a) Chromocytes
(b) Thesocytes
(c) Scleroblasts
(d) Spongoblast
(e) None of these
(e) None of these
(iv) Which one of the following coelenterate is also called Portuguese-man of war:
(a) Hydra
(b) Velella
(c) Obelia
(d) Physalia
(e) None of these
(d) Physalia
(v) Pseudocoelomate animals are:
(a) Coelenterates
(b) Nematodes
(c) Annelids
(d) Arthropods
(e) None of these
(b) Nematodes
(vi) Earth worm belongs to:
(a) Phylum platyhelminthes
(b) Nematode
(c) Mollusca
(d) Arthropoda
(e) None of these
(e) None of these
(vii) The number of arms in octopus is:
(a) Four
(b) Six
(c) Eight
(d) Ten
(e) None of these
(c) Eight
(viii) The excretory organ of cockroach is:
(a) Flame cell
(b) Nephridia
(c) Coxal gland
(d) Green gland
(e) None of these
(e) None of these
(ix) The compound eyes are present in:
(a) Cuttle fish
(b) Sea urchin
(c) Sea mouse
(d) Honey bee
(e) None of these
(d) Honey bee
(x) Balanoglossus belongs to:
(a) Hemichordata
(b) Cephalochordata
(c) Urochordata
(d) Craniata
(e) None of these
(a) Hemichordata
(xi) The extinct vertebrates are:
(a) Elasmobranchi
(b) Placodermi
(c) Osteichthyes
(d) All of these
(e) None of these
(b) Placodermi
(xii) The type of scales found in shark is:
(a) Placoid scale
(b) Ganoid scale
(c) Cosmoid scale
(d) Cycloid scale
(e) None of these
(a) Placoid scale
(xiii) All of the following animals have three chamber heart except:
(a) Uromastix
(b) Snake
(c) Wall lizard
(d) Crocodile
(e) None of these
(d) Crocodile
(xiv) An animal group having radially symmetrical adults but bilaterally larvae are:
(a) Annelids
(b) Echinoderm
(c) Chordates
(d) All of these
(e) None of these
(d) All of these
(xv) Which one of the following is not an extra embryonic membranes?
(a) Pleura
(b) Amnion
(c) Chorion
(d) Allontoise
(e) None of these
(a) Pleura
(xvi) The egg laying mammals such as Duck billed platypus and spiny anteater are found in:
(a) Asia
(b) North America
(c) South America
(d) Australia
(e) None of these
(d) Australia
(xvii) Renal portal system is absent in:
(a) Mammals
(b) Fish
(c) Amphibian
(d) Reptiles
(e) None of these
(a) Mammals
(xviii) Swim bladder is present in:
(a) Amphibia
(b) Giant turtle
(c) Sea snake
(d) All of these
(e) None of these
(e) None of these
(xix) Diencephalons is a part of:
(a) Circulatory system
(b) Excretory system
(c) Nervous system
(d) Respiratory system
(e) None of these
(c) Nervous system
(xx) Microlecithal egg is found in:
(a) Reptiles
(b) Birds
(c) Amphibian
(d) All of these
(e) None of these
(e) None of these
PAPER-II
(i) Which one of the enzyme is present in saliva:
(a) Ptyalin
(b) Pepsin
(c) Enterokinase
(d) Lipase
(e) None of these
(a) Ptyalin
(ii) Which one of the following act as Secondary Messenger after hormonal action on target cells:
(a) ATP
(b) CTP
(c) CAMP
(d) ADP
(e) None of these
(iii) Besides nucleus of cell, which organelles also contain DNA?
(a) Golgibodies
(b) Lysosome
(c) Mitochondria
(d) Cell Membrane
(e) None of these
(c) Mitochondria
(iv) Lysosome in a cell is responsible for:
(a) Autolysis
(b) Autophagy
(c) Intracellular digestion
(d) All of these
(e) None of these
(b) Autophagy
(v) ABO blood system in human is example of:
(a) Epistasis
(b) Linkage
(c) Polygenic inheritance
(d) Multiple allele
(e) None of these
(a) Epistasis
(vi) Who describe sex linkage in Drosophilla:
(a) Sutton
(b) Garth Nicolson
(c) Jhonathan Singer
(d) Robertson
(e) None of these
(e) None of these
(vii) The number of cranial nerves in man is:
(a) 8
(b) 10
(c) 12
(d) 14
(e) None of these
(c) 12
(viii) Wings of Birds and fly are example of:
(a) Homologus organ
(b) Analogus organ
(c) Vestigeal organ
(d) All of these
(e) None of these
(a) Homologus organ
(ix) The main chemical composition of ribosomes is:
(a) RNA + Protein
(b) DNA + Protein
(c) Protein + Carbohydrate
(d) Protein + Lipids
(e) None of these
(a) RNA + Protein
(x) The hormone cortisol is secreted by:
(a) Pituitary gland
(b) Ovary
(c) Pancreas
(d) Adrenal gland
(e) None of these
(d) Adrenal gland
(xi) In pond ecosystem the primary consumer are:
(a) Zooplankton
(b) Insect larvae
(c) Fish
(d) All of these
(e) None of these
(d) All of these
(xii) The xx, xo sex determination mechanism is present in:
(a) Man
(b) Grasshopper
(c) Birds
(d) All of these
(e) None of these
(b) Grasshopper
(xiii) The DNA replication is:
(a) Conservative
(b) Semi conservative
(c) Dispersive
(d) Equatorial
(e) None of these
(b) Semi conservative
(xiv) Which one of the following genetic disorder is dominant in man:
(a) Colour blindness
(b) Haemophilia
(c) Tay-Sachs
(d) All of these
(e) None of these
(d) All of these
(xv) The abiotic factor that bring sudden changes in ecosystem is:
(a) Light
(b) Soil
(c) In organic nutrients
(d) Fire
(e) None of these
(a) Light
(xvi) In human, blood clotting is due to the presence of protein called:
(a) Albumin
(b) Globulin
(c) Haemoglobin
(d) Actin
(e) None of these
(e) None of these
(xvii) Male sex hormones are collectively known as:
(a) Estrogen
(b) Androgen
(c) Cortisone
(d) Somatotrophic
(e) None of these
(b) Androgen
(xviii) Which one of the following is not a Membrane bound cell organelle:
(a) Mitochondria
(b) Endoplasmic Reticulum
(c) Ribosome
(d) Chloroplast
(e) None of these
(e) None of these
(xix) The enzyme pepsin is present in:
(a) Pancreatic Juice
(b) Bile
(c) Saliva
(d) Gastric Juice
(e) None of these
(d) Gastric Juice
(xx) The change in species composition of a community over a long period of time is called:
(a) Food chain
(b) Food web
(c) Ecological succession
(d) Niche
(e) None of these
(c) Ecological succession