Chapter 11. Nature`s Treasures Class 6 Science Curiosity Solutions English Medium-40 Important MCQs with Answers

NCERT Solutions Class 6 Science Curiosity English Medium

Chapter 11. Nature`s Treasures

Topic: 40 Important MCQs with Answers

Chapter 11. Nature's Treasures

The following multiple-choice questions are prepared according to the latest NCERT Curiosity textbook and the latest CBSE competency-based pattern. These questions cover important concepts, natural resources, conservation, and environmental awareness.

40 Important MCQs with Answer Key

Choose the correct answer for each question.

1. Nature's treasures are also known as

(A) Artificial resources (B) Natural resources (C) Industrial products (D) Machines

2. Which gas is essential for respiration?

(A) Nitrogen (B) Oxygen (C) Carbon dioxide (D) Hydrogen

3. Which gas is used by plants during photosynthesis?

(A) Oxygen (B) Carbon dioxide (C) Nitrogen (D) Helium

4. The largest percentage of air is made up of

(A) Oxygen (B) Carbon dioxide (C) Nitrogen (D) Water vapour

5. The main source of energy on Earth is

(A) Wind (B) Water (C) The Sun (D) Coal

6. Which of the following is a renewable resource?

(A) Coal (B) Petroleum (C) Sunlight (D) Natural gas

7. Which of the following is a non-renewable resource?

(A) Wind (B) Air (C) Coal (D) Sunlight

8. Rainwater harvesting is mainly done to

(A) Increase pollution (B) Save water (C) Produce electricity (D) Remove minerals

9. Which resource is essential for agriculture?

(A) Plastic (B) Soil (C) Glass (D) Rubber

10. Soil is mainly formed by the weathering of

(A) Wood (B) Rocks (C) Water (D) Air

11. Which natural resource provides habitat for wildlife?

(A) Forests (B) Roads (C) Buildings (D) Factories

12. Forests help in preventing

(A) Photosynthesis (B) Soil erosion (C) Germination (D) Respiration

13. Which of the following is a fossil fuel?

(A) Wind (B) Coal (C) Sunlight (D) Water

14. Petroleum is mainly used as

(A) Fertiliser (B) Fuel (C) Soil (D) Mineral water

15. Which resource is used to generate solar energy?

(A) Coal (B) Wind (C) Sunlight (D) Water

16. Windmills are used to produce

(A) Petrol (B) Electricity (C) Coal (D) Oxygen

17. Which of the following is NOT a natural resource?

(A) Air (B) Water (C) Plastic (D) Forest

18. Minerals are generally obtained from

(A) Clouds (B) Rocks (C) Rivers (D) Trees

19. Which metal is obtained from mineral ores?

(A) Iron (B) Wood (C) Cotton (D) Paper

20. Excessive cutting of trees is called

(A) Afforestation (B) Deforestation (C) Irrigation (D) Germination

21. Planting new trees is known as

(A) Deforestation (B) Mining (C) Afforestation (D) Harvesting

22. Which resource is directly required for drinking?

(A) Water (B) Coal (C) Iron (D) Sand

23. Which resource helps plants prepare food?

(A) Moonlight (B) Sunlight (C) Coal (D) Petroleum

24. Biodiversity refers to

(A) Different kinds of rocks

(B) Variety of living organisms

(C) Different types of fuels

(D) Different minerals

25. Which of the following should be conserved?

(A) Water (B) Forests (C) Minerals (D) All of these

26. Fossil fuels are formed from

(A) Fresh leaves

(B) Ancient plants and animals

(C) Rainwater

(D) Soil only

27. Which practice helps reduce water shortage?

(A) Rainwater harvesting

(B) Cutting forests

(C) Burning coal

(D) Mining

28. Which of the following is a renewable source of energy?

(A) Solar energy (B) Coal (C) Diesel (D) Petrol

29. Which natural resource helps maintain ecological balance?

(A) Forests (B) Plastic (C) Cement (D) Glass

30. The excessive use of fossil fuels mainly causes

(A) Air pollution (B) Soil formation (C) Rainfall (D) Germination

31. Which gas makes up about 21% of the atmosphere?

(A) Nitrogen (B) Oxygen (C) Carbon dioxide (D) Helium

32. Which natural resource is essential for all living organisms?

(A) Water (B) Gold (C) Coal (D) Marble

33. Which of the following is an example of conservation?

(A) Wasting water

(B) Planting trees

(C) Burning forests

(D) Polluting rivers

34. Which natural resource is mainly used for making buildings?

(A) Rocks (B) Clouds (C) Wind (D) Air

35. Which resource takes millions of years to form?

(A) Coal (B) Wind (C) Sunlight (D) Air

36. Which of the following is the best way to save electricity?

(A) Keep lights on all day

(B) Switch off appliances when not in use

(C) Waste energy

(D) Burn more fossil fuels

37. Which practice helps protect biodiversity?

(A) Deforestation

(B) Wildlife conservation

(C) Water pollution

(D) Excessive mining

38. Which statement is correct?

(A) Natural resources are unlimited.

(B) Natural resources should be used wisely.

(C) Fossil fuels are renewable.

(D) Water is never exhausted.

39. Which natural resource is most suitable for producing clean energy?

(A) Solar energy

(B) Coal

(C) Petroleum

(D) Natural gas

40. The main aim of conserving natural resources is to

(A) Increase pollution

(B) Protect resources for future generations

(C) Cut more forests

(D) Waste available resources

Answer Key

1-B, 2-B, 3-B, 4-C, 5-C, 6-C, 7-C, 8-B, 9-B, 10-B,
11-A, 12-B, 13-B, 14-B, 15-C, 16-B, 17-C, 18-B, 19-A, 20-B,
21-C, 22-A, 23-B, 24-B, 25-D, 26-B, 27-A, 28-A, 29-A, 30-A,
31-B, 32-A, 33-B, 34-A, 35-A, 36-B, 37-B, 38-B, 39-A, 40-B.

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