At BodhiClasses, we make science learning concept-based and exam-focused. This sample question paper on Chapter 11: Nature’s Treasures includes all key formats: MCQs, One Mark, Two Mark, and HOTS Questions to help students prepare confidently for school exams.
Subject: Science | Class: 6 | Chapter: 11 – Nature’s Treasures
Time: 1 Hour | Full Marks: 40
SECTION A: Multiple Choice Questions (1 × 10 = 10 Marks)
Q1. What percentage of air is oxygen?
(a) 78%
(b) 1%
(c) 21%
(d) 50%
Q2. Which of these is a non-renewable resource?
(a) Wind
(b) Forest
(c) Petroleum
(d) Sunlight
Q3. The primary source of energy on Earth is:
(a) Fire
(b) Sun
(c) Petrol
(d) Coal
Q4. Which movement focused on tree conservation?
(a) Chipko Movement
(b) Save Water Movement
(c) Van Mahotsav
(d) Forest Act
Q5. The most common fuel used in two-wheelers is:
(a) Kerosene
(b) LPG
(c) Petrol
(d) Diesel
Q6. What is the role of plant roots in soil?
(a) Grow minerals
(b) Hold the soil
(c) Absorb sunlight
(d) Release oxygen
Q7. Stepwells are used for:
(a) Fishing
(b) Mining
(c) Rainwater harvesting
(d) Electricity
Q8. Which gas is most abundant in air?
(a) Oxygen
(b) Carbon dioxide
(c) Nitrogen
(d) Argon
Q9. Firki rotates due to:
(a) Air
(b) Water
(c) Fire
(d) Soil
Q10. Which of these is a traditional water conservation method?
(a) Solar heater
(b) Tube well
(c) Stepwell
(d) Bore pump
SECTION B: Very Short Answer Questions (1 × 5 = 5 Marks)
Answer each question in one sentence.
Q11. Name one natural renewable resource.
Q12. What is the main cause of air pollution in cities?
Q13. What is the main use of windmills?
Q14. Define fossil fuels.
Q15. Why are forests important for soil?
SECTION C: Short Answer Questions (2 × 5 = 10 Marks)
Answer each in 2–3 sentences.
Q16. Differentiate between renewable and non-renewable resources with examples.
Q17. Why should we conserve water? Mention two ways to do so.
Q18. How do solar panels help in environmental conservation?
Q19. What causes soil erosion, and how can we prevent it?
Q20. What are the effects of cutting down forests on the environment?
SECTION D: Higher Order Thinking Skills (HOTS) (3 × 5 = 15 Marks)
Answer the following in detail.
Q21. Suggest three ways your school can help in conserving natural resources.
Q22. If all fossil fuels get exhausted, how would life be affected?
Q23. How is the presence of air essential in daily life activities? Give examples.
Q24. Propose a model rainwater harvesting system for your school.
Q25. Imagine the Sun disappears for a week. What major changes will occur on Earth?
Answer Key and Solution Script
SECTION A: MCQ Solutions
| Q.No | Answer |
|---|---|
| 1 | (c) 21% |
| 2 | (c) Petroleum |
| 3 | (b) Sun |
| 4 | (a) Chipko Movement |
| 5 | (c) Petrol |
| 6 | (b) Hold the soil |
| 7 | (c) Rainwater harvesting |
| 8 | (c) Nitrogen |
| 9 | (a) Air |
| 10 | (c) Stepwell |
SECTION B: Very Short Answers
Q11. Water
Q12. Vehicle emissions
Q13. To generate electricity or pump water
Q14. Fossil fuels are natural fuels formed from ancient plants and animals.
Q15. Forests prevent soil erosion and improve fertility with decaying leaves.
SECTION C: Short Answers
Q16.
- Renewable resources can be replenished (e.g., water, wind).
- Non-renewable resources are limited and take millions of years to form (e.g., coal, petroleum).
Q17.
- Water is essential but limited.
- Turn off taps when not in use and practice rainwater harvesting.
Q18.
- Solar panels reduce dependency on polluting fuels and produce clean energy.
Q19.
- Soil erosion is caused by deforestation and water run-off.
- It can be prevented by planting trees and avoiding overgrazing.
Q20.
- Cutting forests causes biodiversity loss, climate change, and soil degradation.
SECTION D: HOTS Answers
Q21.
- Install water-saving taps
- Conduct awareness campaigns
- Plant more trees in and around the campus
Q22.
- Transportation, electricity, and cooking would be disrupted.
- We’d have to depend solely on renewable sources like solar and wind.
Q23.
- Air helps in breathing, windmills, drying clothes, and pollination in plants.
Q24.
- Collect rainwater from the school rooftop and store it in a tank for toilets and gardening.
Q25.
- No photosynthesis, drop in temperature, darkness, food shortage due to lack of energy for plants.
