Free Ecosystem (Daily Quiz: 14) NEET Biology Questions & Answers with Detailed Explanation & Full Review

Free Ecosystem (Daily Quiz: 14) Time:

Question-1

During the process of ecological succession, the changes that take place in communities are

(a)

(b)

(c)

(d)

Explanation:

Answer: (b)

During the process of ecological succession, the changes that take place in communities are orderly and sequential. The gradual and predictable changes in the species composition of a given area is called ecological succession.


Question-2

Which of the following is a primary consumer in maize field ecosystem?

(a)

(b)

(c)

(d)

Explanation:

Answer: (c)

Primary consumers are herbivorous organisms that feed on producers. Carnivores are termed secondary, tertiary, etc., consumers depending upon their position in food chain. In food chain on land, grasshopper is a herbivore (primary consumer) while wolf and lion are carnivores. Phytoplanktons are producers in aquatic food chains.


Question-3

A person who eats a chicken that ate grain is a

(a)

(b)

(c)

(d)


Question-4

Which ecosystem has the maximum biomass?

(a)

(b)

(c)

(d)

Explanation:

Answer: (b)

Forest ecosystem has the maximum biomass, because it includes organisms of all trophic levels as compared to pond, lake or grassland ecosystem. Biomass refers to the amount of living organic matter. In forest ecosystem, productivity is also high that contributes to maximum biomass.


Question-5

How much portion of the PAR is captured by the plants?

(a)

(b)

(c)

(d)


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