Green Technology Solved MCQs 1–10: Basics of Green Technology What is the primary goal of green technology? A) Increase p...
Green Technology Solved MCQs
1–10: Basics of Green Technology
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What is the primary goal of green technology?
A) Increase pollution
B) Deplete natural resources
C) Promote environmental sustainability
D) Use fossil fuels efficiently
✔️ Answer: C
Explanation: Green technology aims to minimize environmental damage and promote sustainable development. -
Which of the following is a green technology?
A) Diesel generator
B) Wind turbine
C) Coal power plant
D) Gasoline car
✔️ Answer: B
Explanation: Wind turbines use renewable wind energy and cause minimal environmental harm. -
Which renewable resource is NOT commonly used in green technology?
A) Solar
B) Wind
C) Coal
D) Hydropower
✔️ Answer: C
Explanation: Coal is a non-renewable fossil fuel and not part of green tech. -
Which gas is the major contributor to the greenhouse effect?
A) Oxygen
B) Nitrogen
C) Carbon dioxide
D) Hydrogen
✔️ Answer: C
Explanation: CO₂ traps heat and contributes to global warming. -
Which term refers to the ability to meet present needs without compromising future generations?
A) Sustainability
B) Economics
C) Efficiency
D) Greenhouse
✔️ Answer: A
Explanation: Sustainability is key in green technology and eco-friendly planning. -
Which of the following is NOT a green building feature?
A) Solar panels
B) Energy-efficient lighting
C) Plastic insulation
D) Rainwater harvesting
✔️ Answer: C -
The technology used to reduce energy waste is called:
A) Energy absorption
B) Energy conservation
C) Fossil enhancement
D) Thermal overloading
✔️ Answer: B -
Which country is a leader in solar power generation?
A) Pakistan
B) Saudi Arabia
C) China
D) Nigeria
✔️ Answer: C -
The Paris Agreement is related to:
A) Space exploration
B) Climate change
C) Artificial intelligence
D) Robotics
✔️ Answer: B -
What is an example of sustainable transport?
A) Diesel bus
B) Electric vehicle
C) Jet plane
D) Coal train
✔️ Answer: B
11–20: Energy & Waste Management
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Which type of energy is NOT renewable?
A) Geothermal
B) Tidal
C) Nuclear
D) Biomass
✔️ Answer: C -
What is the purpose of a smart grid?
A) Speed up internet
B) Improve traffic
C) Optimize energy distribution
D) Control robots
✔️ Answer: C -
Which green tech converts sunlight into electricity?
A) Windmill
B) Hydroelectric dam
C) Solar panel
D) Coal furnace
✔️ Answer: C -
E-waste refers to:
A) Plastic bottles
B) Electronic waste
C) Industrial emissions
D) Energy bills
✔️ Answer: B -
Composting is a method of:
A) Burning waste
B) Generating electricity
C) Recycling organic matter
D) Disposing plastic
✔️ Answer: C -
What is used to treat industrial wastewater?
A) Oil tanks
B) Waterfalls
C) Bioreactors
D) Bulldozers
✔️ Answer: C -
Biodegradable materials:
A) Never decompose
B) Are harmful to environment
C) Break down naturally
D) Need burning
✔️ Answer: C -
The 3Rs in waste management are:
A) Read, Reuse, Rebuild
B) Reduce, Reuse, Recycle
C) Retain, Return, Remove
D) Replace, Remove, Reduce
✔️ Answer: B -
Green buildings aim to:
A) Maximize water usage
B) Use non-renewable energy
C) Reduce energy and water consumption
D) Increase pollution
✔️ Answer: C -
An example of green construction material is:
A) Cement
B) Recycled steel
C) PVC plastic
D) Aluminum foil
✔️ Answer: B
21–30: Pollution, Climate & Carbon
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Which sector contributes most to CO₂ emissions?
A) Agriculture
B) Transport
C) Electricity and heat production
D) Fisheries
✔️ Answer: C -
Carbon footprint refers to:
A) Human footprints
B) Shoes made from carbon
C) Total greenhouse gases emitted by a person or activity
D) Tree planting rate
✔️ Answer: C -
Which is the best method to reduce carbon footprint?
A) Burning wood
B) Driving gasoline cars
C) Using renewable energy
D) Deforestation
✔️ Answer: C -
The process of trapping and storing CO₂ is called:
A) Combustion
B) Carbon sequestration
C) Oxidation
D) Carbon melting
✔️ Answer: B -
What causes acid rain?
A) Ozone
B) Carbon
C) Sulfur dioxide and nitrogen oxides
D) Hydrogen peroxide
✔️ Answer: C -
Which gas is not a greenhouse gas?
A) CO₂
B) CH₄
C) N₂
D) O₃
✔️ Answer: C -
Carbon trading involves:
A) Selling oil
B) Trading carbon credits to reduce emissions
C) Fuel exchange
D) Sharing car rides
✔️ Answer: B -
One ton of CO₂ equals:
A) Zero carbon credits
B) One carbon credit
C) 100 kW energy
D) 1,000 liters of gas
✔️ Answer: B -
Main source of methane emissions:
A) Cars
B) Livestock farming
C) Solar panels
D) Cement factories
✔️ Answer: B -
What do catalytic converters reduce?
A) Water pollution
B) Soil erosion
C) Air pollution in vehicles
D) Solar energy
✔️ Answer: C
31–40: Innovation & New Technologies
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Which technology stores solar energy for night use?
A) Diesel generator
B) Inverter
C) Solar battery
D) Hydroelectric pump
✔️ Answer: C -
The term “net-zero building” means:
A) No construction cost
B) Zero water use
C) Produces as much energy as it consumes
D) Zero floor area
✔️ Answer: C -
Vertical farming is considered green because:
A) It uses coal
B) It uses less land and water
C) It grows trees
D) It stores fertilizers
✔️ Answer: B -
Hydroponics refers to:
A) Planting without soil
B) Growing plants in deserts
C) Solar farming
D) Composting
✔️ Answer: A -
Which battery technology is eco-friendly?
A) Lead-acid
B) Nickel-cadmium
C) Lithium-ion
D) Coal battery
✔️ Answer: C -
Green hydrogen is produced using:
A) Natural gas
B) Renewable electricity
C) Oil refining
D) Nuclear power
✔️ Answer: B -
LEED stands for:
A) Low Emission Energy Device
B) Leadership in Energy and Environmental Design
C) Legal Environmental Efficiency Directive
D) Local Energy Efficient Division
✔️ Answer: B -
A smart thermostat helps by:
A) Burning coal
B) Wasting energy
C) Managing temperature efficiently
D) Pumping gas
✔️ Answer: C -
Which innovation converts food waste into fuel?
A) Diesel plant
B) Biogas plant
C) Cement mixer
D) Solar cooker
✔️ Answer: B -
Solar cookers reduce:
A) Electricity use
B) CO₂ emissions
C) Indoor smoke pollution
D) All of the above
✔️ Answer: D
41–50: Policies & Future Trends
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Which organization gives carbon credits?
A) FIFA
B) UNFCCC
C) NASA
D) WHO
✔️ Answer: B -
COP stands for (in climate terms):
A) Committee of Projects
B) Conference of the Parties
C) Cost of Pollution
D) Coalition of Planets
✔️ Answer: B -
Pakistan’s largest green energy project is:
A) Tarbela Dam
B) Quaid-e-Azam Solar Park
C) Kala Bagh Dam
D) Motorway
✔️ Answer: B -
Which country aims to be carbon neutral by 2060?
A) China
B) USA
C) Pakistan
D) UAE
✔️ Answer: A -
Green loans are:
A) Loans for agriculture
B) Loans for eco-friendly projects
C) Student loans
D) Loans for mining
✔️ Answer: B -
Sustainable farming includes:
A) Crop rotation
B) Chemical burning
C) Mono-cropping
D) Overgrazing
✔️ Answer: A -
Which practice reduces deforestation?
A) Paperless offices
B) Logging
C) Grazing
D) Burning fields
✔️ Answer: A -
Which is considered a circular economy principle?
A) Use and throw
B) Reuse, recycle, regenerate
C) Import more
D) Produce and waste
✔️ Answer: B -
Pakistan’s climate policy includes:
A) Clean Green Pakistan Program
B) Space Research
C) Weapon export
D) Flood control only
✔️ Answer: A -
Which is a global green tech trend in 2025?
A) Coal mining
B) AI in energy efficiency
C) Deforestation
D) Single-use plastics
✔️ Answer: B
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