Forest Ecosystem Objective Questions
Forest Ecosystem – Objective Questions
Class: 7 |
Subject: Science |
Section: 15 – Natural Resources |
Topic: Forest Ecosystem
CBSE Board Examination – NCERT Concept Based MCQs
1. A forest ecosystem consists of:
Answer: C
A forest ecosystem includes plants, animals, microorganisms, soil, water, and climate interacting together.
A forest ecosystem includes plants, animals, microorganisms, soil, water, and climate interacting together.
2. Green plants in forests are called:
Answer: B
They produce food using sunlight through photosynthesis.
They produce food using sunlight through photosynthesis.
3. Animals that eat plants are:
Answer: B
Herbivores depend directly on producers for food.
Herbivores depend directly on producers for food.
4. Decomposers break down:
Answer: B
They recycle nutrients back into the soil.
They recycle nutrients back into the soil.
5. Example of decomposer:
Answer: B
Fungi and bacteria decompose organic matter.
Fungi and bacteria decompose organic matter.
6. Food chain shows:
Answer: B
It represents transfer of energy from producers to consumers.
It represents transfer of energy from producers to consumers.
7. First link in food chain:
Answer: B
Plants capture solar energy first.
Plants capture solar energy first.
8. Consumers depend on:
Answer: B
They obtain food directly or indirectly from plants.
They obtain food directly or indirectly from plants.
9. Interconnected food chains form:
Answer: A
A food web shows complex feeding relationships.
A food web shows complex feeding relationships.
10. Soil in forest is rich due to:
Answer: B
Humus forms from decomposed organic matter.
Humus forms from decomposed organic matter.
11. Forests regulate:
Answer: D
They maintain environmental balance.
They maintain environmental balance.
12. Cutting trees disturbs:
Answer: D
Deforestation affects entire ecosystem.
Deforestation affects entire ecosystem.
13. Forest floor contains:
Answer: D
It supports nutrient recycling.
It supports nutrient recycling.
14. Carnivores are:
Answer: B
They feed on other animals.
They feed on other animals.
15. Balance in ecosystem is maintained by:
Answer: D
All components interact to maintain balance.
All components interact to maintain balance.
16. Energy source for ecosystem:
Answer: B
Sunlight drives photosynthesis.
Sunlight drives photosynthesis.
17. Animals living in forests form:
Answer: B
Fauna refers to animal life.
Fauna refers to animal life.
18. Plants of forest are called:
Answer: A
Flora refers to plant life.
Flora refers to plant life.
19. Removal of top predators causes:
Answer: B
Food chain gets disturbed.
Food chain gets disturbed.
20. Forest ecosystem supports:
Answer: D
Forests sustain environmental stability.
Forests sustain environmental stability.