Deforestation MCQs Class 8 Science
Deforestation MCQs Class 8 Science
Class: CBSE Class 8
Subject: Science
Section: Section 7 – Conservation of Plants and Animals
Topic: Deforestation MCQs
Board: CBSE Board Examinations
Subject: Science
Section: Section 7 – Conservation of Plants and Animals
Topic: Deforestation MCQs
Board: CBSE Board Examinations
1. Deforestation means:
Answer: b) Cutting forests
Deforestation is the large‑scale removal of forests for human activities like agriculture and urbanization.
Deforestation is the large‑scale removal of forests for human activities like agriculture and urbanization.
2. Major cause of deforestation is:
Answer: b) Urbanization
Expansion of cities and industries leads to cutting of forests.
Expansion of cities and industries leads to cutting of forests.
3. Deforestation leads to:
Answer: d) All of these
Cutting forests disturbs ecosystems causing multiple environmental problems.
Cutting forests disturbs ecosystems causing multiple environmental problems.
4. Removal of trees increases:
Answer: b) Carbon dioxide
Trees absorb CO₂. Their removal raises greenhouse gases.
Trees absorb CO₂. Their removal raises greenhouse gases.
5. Deforestation contributes to:
Answer: a) Global warming
Higher CO₂ traps heat causing temperature rise.
Higher CO₂ traps heat causing temperature rise.
6. Cutting forests destroys:
Answer: a) Wildlife habitat
Animals lose shelter and food sources.
Animals lose shelter and food sources.
7. Planting trees to replace forests is:
Answer: b) Afforestation
It restores ecological balance.
It restores ecological balance.
8. Top fertile soil is lost due to:
Answer: b) Deforestation
Roots bind soil; without them erosion occurs.
Roots bind soil; without them erosion occurs.
9. Deforestation reduces:
Answer: a) Oxygen
Trees release oxygen during photosynthesis.
Trees release oxygen during photosynthesis.
10. Desertification means:
Answer: b) Land turning desert
Deforestation dries soil making land barren.
Deforestation dries soil making land barren.
11. Trees help in rainfall by:
Answer: b) Transpiration
Water vapour release aids cloud formation.
Water vapour release aids cloud formation.
12. Flood frequency increases due to:
Answer: b) Deforestation
Trees slow rainwater runoff.
Trees slow rainwater runoff.
13. Chipko Movement opposed:
Answer: b) Tree cutting
People hugged trees to save forests.
People hugged trees to save forests.
14. Paper production causes:
Answer: b) Deforestation
Trees are cut for pulp.
Trees are cut for pulp.
15. Which gas balance is disturbed?
Answer: a) Oxygen‑CO₂
Photosynthesis cycle is affected.
Photosynthesis cycle is affected.
16. Forests prevent:
Answer: d) All
Roots bind soil and absorb water.
Roots bind soil and absorb water.
17. Wildlife declines due to:
Answer: a) Habitat loss
Deforestation destroys homes.
Deforestation destroys homes.
18. Climate change is linked to:
Answer: b) Deforestation
Greenhouse gases rise.
Greenhouse gases rise.
19. Forest conservation helps in:
Answer: d) All
Forests sustain ecosystems.
Forests sustain ecosystems.
20. Best solution to deforestation is:
Answer: b) Afforestation
Planting trees restores forests and ecological balance.
Planting trees restores forests and ecological balance.