Question

1. Which of the following is not a terrestrial ecosystem?
(a) Forest
(b) Desert
(c) Aquarium (d) Grassland
2. All living organisms of the Earth constitute a
(d) ecosystem
(a) biosphere (b) biotic community (c) biome
3. A pond is
(b) a natural ecosystem
(a) a biome
(c) an artificial ecosystem
(d) a community of plants and animals only
4. In a forest ecosystem, green plants are
(a) primary producers
(b) primary consumers
(C) consumers
(d) decomposers
5. Green plants of an ecosystem are called
(a) producers
(d) carnivores
(c) decomposers
(b) consumers
6. In natural ecosystems, decomposers include
(a) only bacteria and fungi
(b) only microscopic animals
(c) herbivores and carnivores
(d) both (b) and (c)
7. The driving force of an ecosystem is
(a) carbohydrates in plants
(b) biomass
(d) solar energy
(c) producers
8. The ecosystem of Earth is known as
(a) biome
(d) association
(c) biosphere
(b) community
9. Which of the following is non-biodegradable?
(d) Plastic
(a) Paper
(c) Cloth
(b) Wood
10. Which of the following is biodegradable?
(b) Polythene
(a) Paper
(d) Aluminium foil
(c) Plastic​

Answer 1

Answer:

1. answrr .a

2. answer . a

3 . b

4. answer . d

5. answer. a

6. answer. d

7. answer. d

8. answer. a

9. answer. d

10. answer. a

Answer 2

Answer:

All the questions correct option is given below

Explanation:

1. (a) Forest

2. (a) biosphere

3 . (b) a natural ecosystem

4. (a) primary producers

5. (a) producers

6. (b) only microscopic animals

7. (d) solar energy

8. (c) biosphere

9. (d) Plastic

10. (a) Paper

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