CBSE Class 9 Employability Skills Unit 5 Green Skills MCQs with Answers (2026–27) | 25 Important Questions
Class 9 · Artificial Intelligence
Practice 25 important multiple-choice questions (MCQs) from Unit 5: Green Skills of the CBSE Class 9 Employability Skills curriculum. These questions are prepared according to the latest CBSE syllabus (2026–27) and include detailed answers with explanations to help students prepare for Unit Tests, Half-Yearly, Annual Examinations, and competency-based assessments.
Topics Covered
- Society and Environment
- Natural Resources
- Renewable and Non-renewable Resources
- Biodegradable and Non-biodegradable Pollutants
- Ozone Layer
- Conservation of Natural Resources
- The 3Rs – Reduce, Reuse and Recycle
- Sustainable Development
- Green Economy
- Green Jobs and Renewable Energy
CBSE Exam Tip: Pay special attention to renewable resources, conservation methods, the 3Rs, sustainable development, ozone layer protection, and green economy concepts. These topics are frequently asked in MCQs and competency-based questions.
MCQs with Answers
Q1. Our lives depend on the web of life formed by a community of:
A. Buildings and roads
B. Living plants and animals
C. Computers and technology
D. Schools and offices
Show Answer
Answer: B. Living plants and animals
Explanation: Humans depend on plants, animals, and other living organisms for food, oxygen, water, and ecological balance. Together, they form the web of life.
Q2. Which of the following is a part of a school's physical environment?
A. Discipline among students
B. Climate education
C. The school building and classrooms
D. Respect for different religions
Show Answer
Answer: C. The school building and classrooms
Explanation: The physical environment of a school includes buildings, classrooms, playgrounds, laboratories, libraries, and other physical facilities.
Q3. Modern high-input agriculture has caused environmental degradation mainly because of the:
A. Plantation of more trees
B. Use of solar energy
C. Overuse of chemical fertilizers and pesticides
D. Practice of organic farming
Show Answer
Answer: C. Overuse of chemical fertilizers and pesticides
Explanation: Excessive use of fertilizers and pesticides pollutes soil and water, reduces soil fertility, and harms biodiversity.
Q4. Natural resources that produce heat, electricity, or power are known as:
A. Mineral Resources
B. Energy Resources
C. Land Resources
D. Food Resources
Show Answer
Answer: B. Energy Resources
Explanation: Energy resources such as coal, petroleum, solar energy, and wind energy provide power for various human activities.
Q5. Resources that are available in limited quantities and may get exhausted with continuous use are called:
A. Renewable Resources
B. Inexhaustible Resources
C. Exhaustible Resources
D. Perpetual Resources
Show Answer
Answer: C. Exhaustible Resources
Explanation: Exhaustible resources such as coal, petroleum, and natural gas are limited and cannot be replaced quickly once consumed.
Q6. Solar energy, wind energy, and tidal energy are examples of:
A. Inexhaustible Resources
B. Non-renewable Resources
C. Biotic Resources
D. Mineral Resources
Show Answer
Answer: A. Inexhaustible Resources
Explanation: These natural resources are continuously available and do not get exhausted through human use.
Q7. Approximately what percentage of Earth's water is fresh water?
A. 10%
B. 5%
C. About 2.5%
D. 50%
Show Answer
Answer: C. About 2.5%
Explanation: Nearly 97.5% of Earth's water is salty, while only about 2.5% is fresh water, making water conservation essential.
Q8. Minerals are considered non-renewable resources because they:
A. Are manufactured by humans
B. Are found everywhere in unlimited quantity
C. Take thousands of years to form naturally
D. Can be recycled forever
Show Answer
Answer: C. Take thousands of years to form naturally
Explanation: Minerals require thousands to millions of years to form naturally and cannot be replaced within a human lifetime.
Q9. Pollutants that decompose naturally through the action of microorganisms are called:
A. Non-biodegradable Pollutants
B. Biodegradable Pollutants
C. Toxic Pollutants
D. Industrial Pollutants
Show Answer
Answer: B. Biodegradable Pollutants
Explanation: Biodegradable pollutants break down naturally through bacteria and other microorganisms without causing long-term environmental damage.
Q10. Which atmospheric layer protects the Earth from harmful ultraviolet (UV) rays of the Sun?
A. Carbon Layer
B. Oxygen Layer
C. Ozone Layer
D. Methane Layer
Show Answer
Answer: C. Ozone Layer
Explanation: The ozone layer absorbs most of the harmful ultraviolet radiation coming from the Sun, protecting all living organisms.
Q11. Which substances are mainly responsible for creating holes in the ozone layer?
A. Oxygen and Hydrogen
B. Chlorofluorocarbons (CFCs)
C. Water Vapour
D. Natural Gas
Show Answer
Answer: B. Chlorofluorocarbons (CFCs)
Explanation: CFCs released from refrigerators, air conditioners, and aerosol sprays damage the ozone layer, allowing harmful ultraviolet rays to reach the Earth.
Q12. The proper management and protection of natural resources is known as:
A. Pollution
B. Conservation
C. Consumption
D. Industrialization
Show Answer
Answer: B. Conservation
Explanation: Conservation means using natural resources wisely so that they remain available for future generations.
Q13. Which method helps conserve water by increasing groundwater recharge?
A. Building more roads
B. Growing vegetation in catchment areas
C. Covering land with concrete
D. Wasting water during irrigation
Show Answer
Answer: B. Growing vegetation in catchment areas
Explanation: Plants help hold water in the soil, reduce soil erosion, and increase the amount of water that seeps underground.
Q14. Which of the following is the best way to save electrical energy at home?
A. Keep lights on throughout the day.
B. Switch off fans and TVs when they are not in use.
C. Leave the refrigerator door open.
D. Use unnecessary electrical appliances.
Show Answer
Answer: B. Switch off fans and TVs when they are not in use.
Explanation: Turning off electrical appliances when they are not needed helps reduce electricity consumption and conserves energy.
Q15. In the "3Rs" of resource management, what does Recycle mean?
A. Use less of something.
B. Use an item again without changing it.
C. Convert waste materials into new products.
D. Throw waste into dustbins.
Show Answer
Answer: C. Convert waste materials into new products.
Explanation: Recycling involves processing used materials such as paper, plastic, glass, and metal into new products, reducing waste and conserving resources.
Q16. Donating your old books to junior students is an example of:
A. Reduce
B. Reuse
C. Recycle
D. Recover
Show Answer
Answer: B. Reuse
Explanation: Reusing means using an item again instead of throwing it away, thereby reducing waste and saving resources.
Q17. Which of the following practices helps Reduce paper consumption?
A. Leaving large blank spaces while writing.
B. Using only one side of each sheet.
C. Writing efficiently without wasting paper.
D. Buying new notebooks before finishing old ones.
Show Answer
Answer: C. Writing efficiently without wasting paper.
Explanation: Reducing means minimizing the use of resources. Writing efficiently helps reduce paper wastage.
Q18. A green economy is one that:
A. Uses more natural resources for rapid growth.
B. Uses resources efficiently and causes less pollution.
C. Encourages the use of plastics.
D. Focuses only on industrial development.
Show Answer
Answer: B. Uses resources efficiently and causes less pollution.
Explanation: A green economy promotes sustainable development by using resources efficiently while reducing environmental pollution.
Q19. India is among the top countries producing renewable energy through:
A. Coal and Petroleum
B. Solar, Wind, and Biomass Energy
C. Diesel and LPG
D. Nuclear Energy only
Show Answer
Answer: B. Solar, Wind, and Biomass Energy
Explanation: India has made significant progress in generating renewable energy from solar, wind, and biomass sources.
Q20. The Swachh Cooperative in Pune is owned entirely by:
A. Large Industries
B. The Central Government
C. Waste Pickers
D. Foreign Companies
Show Answer
Answer: C. Waste Pickers
Explanation: Swachh Cooperative is an organization owned by waste pickers who provide doorstep waste collection and contribute to better waste management.
Q21. How does the Modern DEEP Chulha help protect the environment?
A. It uses more wood for cooking.
B. It produces more smoke.
C. It reduces wood consumption by about 50% and smoke by about 80%.
D. It works only with electricity.
Show Answer
Answer: C. It reduces wood consumption by about 50% and smoke by about 80%.
Explanation: The Modern DEEP Chulha is an energy-efficient cooking stove that reduces fuel consumption and smoke, thereby protecting both human health and the environment.
Q22. The biotoilet developed by the Green Solution Foundation uses ________ to decompose human waste.
A. Chemicals and acids
B. Aerobic bacteria
C. Heat and fire
D. Detergents
Show Answer
Answer: B. Aerobic bacteria
Explanation: The biotoilet uses aerobic bacteria inside a bio-digester tank to convert human waste into environmentally safe water.
Q23. Biogas mainly consists of:
A. Oxygen only
B. Methane, carbon dioxide, and other gases
C. Nitrogen only
D. Hydrogen only
Show Answer
Answer: B. Methane, carbon dioxide, and other gases
Explanation: Biogas is produced from plant and animal waste and mainly contains methane, carbon dioxide, hydrogen sulphide, and water vapour.
Q24. Which skill is important for working in a green economy?
A. Increasing fuel consumption
B. Assessing environmental impact
C. Using more plastic products
D. Ignoring environmental laws
Show Answer
Answer: B. Assessing environmental impact
Explanation: Professionals working in a green economy should be able to assess environmental impacts and adopt sustainable practices that conserve natural resources.
Q25. One of the biggest challenges for India's transition to a green economy is:
A. Stopping all agricultural activities
B. Buying more vehicles
C. Reducing poverty while ensuring sustainable development
D. Increasing the use of chemical fertilizers
Show Answer
Answer: C. Reducing poverty while ensuring sustainable development
Explanation: India aims to achieve economic growth while reducing poverty and protecting the environment through sustainable development.
❓ Quick Revision
- Environment includes all living and non-living things surrounding us.
- Natural Resources are classified as renewable, non-renewable, exhaustible, and inexhaustible.
- Only about 2.5% of Earth's water is fresh water, making water conservation essential.
- Biodegradable pollutants decompose naturally, whereas non-biodegradable pollutants remain in the environment for a long time.
- The ozone layer protects the Earth from harmful ultraviolet (UV) rays, while CFCs damage this protective layer.
- Conservation means the wise use and protection of natural resources.
- The 3Rs are Reduce, Reuse, and Recycle, which help minimize waste and conserve resources.
- A Green Economy promotes efficient use of resources, low pollution, and sustainable development.
- Renewable energy sources include solar, wind, biomass, and tidal energy.
- Green jobs contribute to environmental protection by promoting sustainable technologies and resource conservation.
? Exam Tip
For the CBSE Class 9 Employability Skills examination, remember the differences between renewable and non-renewable resources, biodegradable and non-biodegradable pollutants, the importance of the ozone layer, conservation methods, the 3Rs, sustainable development, green economy, renewable energy sources, and green jobs. These concepts are commonly tested in MCQs, competency-based, and case-based questions.