Forests Our Lifeline MCQs
Forests: Our Lifeline – MCQs
Class: 7 |
Subject: Science |
Section: 15 – Natural Resources |
Topic: Forests: Our Lifeline
CBSE Board Examination – NCERT Concept Based Objective Questions
1. Forests are called lifeline because they:
Answer: D
Forests regulate climate, produce oxygen, conserve soil, and support countless living organisms.
Forests regulate climate, produce oxygen, conserve soil, and support countless living organisms.
2. The top layer of forest vegetation is called:
Answer: B
The canopy is formed by tall tree crowns forming a roof over the forest.
The canopy is formed by tall tree crowns forming a roof over the forest.
3. Animals depend on forests for:
Answer: D
Forests provide habitat and survival needs for wildlife.
Forests provide habitat and survival needs for wildlife.
4. Deforestation leads to:
Answer: D
Cutting forests disturbs ecological balance.
Cutting forests disturbs ecological balance.
5. Decomposers in forests include:
Answer: D
They break dead matter into nutrients.
They break dead matter into nutrients.
6. Forest soil is rich in:
Answer: A
Humus forms from decomposed organic matter.
Humus forms from decomposed organic matter.
7. Which prevents soil erosion?
Answer: A
Roots bind soil firmly.
Roots bind soil firmly.
8. Forests help in rainfall by:
Answer: D
They influence the water cycle.
They influence the water cycle.
9. Producers in forests are:
Answer: A
Plants make food via photosynthesis.
Plants make food via photosynthesis.
10. Herbivores eat:
Answer: A
They depend on plant matter.
They depend on plant matter.
11. Carnivores eat:
Answer: B
They feed on herbivores or other animals.
They feed on herbivores or other animals.
12. Food chain begins with:
Answer: B
Plants capture solar energy first.
Plants capture solar energy first.
13. Cutting trees for farming is called:
Answer: B
Large‑scale removal harms ecosystems.
Large‑scale removal harms ecosystems.
14. Afforestation means:
Answer: B
It restores forest cover.
It restores forest cover.
15. Forests maintain balance of:
Answer: A
Photosynthesis regulates gases.
Photosynthesis regulates gases.
16. Forest floor contains:
Answer: D
It is rich in organic matter.
It is rich in organic matter.
17. Which product comes from forests?
Answer: D
Forests provide many resources.
Forests provide many resources.
18. Forest conservation helps prevent:
Answer: D
Forests stabilize environment.
Forests stabilize environment.
19. Paper production affects forests because:
Answer: A
Wood pulp requires tree felling.
Wood pulp requires tree felling.
20. Best way to protect forests:
Answer: B
Planting trees restores ecological balance.
Planting trees restores ecological balance.