Environmental Science and Ecology - Mock Test 52

Question 511

In a terrestrial ecosystem such as forest maximum energy lies in which trophic level?

A) T1 B) T2 C) T3 D) T4

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Question 512

In natural ecosystem, decomposers include?

A) Only two types of organisms B) Only two types of organisms plus macroscopic animals C) Only microscopic animals D) Only bacteria and fungi

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Question 513

Ecosystem contains?

A) Producers B) Consumers C) Decomposers D) All of the above

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Question 514

The living organisms of all ecosystems collectively constitute?

A) Producers B) Decomposers C) Consumers and decomposers D) Biosphere

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Question 515

Which of the following ecosystem has highest gross primary productivity?

A) Grassland B) Coral reefs C) Mangroves D) Rain forest

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Question 516

To eat and being eaten relationship is called?

A) Food chain B) Food web C) Symbiosis D) Phagocytosis

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Question 517

Which is the most stable ecosystem?

A) Desert B) Ocean C) Mountain D) Forest

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Question 518

The pyramid of number around a tree would be?

A) Straight B) Horizontal C) Inverted D) Indefinite

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Question 519

The number of individuals of a species in a particular ecosystem at a given constant due to?

A) Man B) Parasites C) Predators D) Available food

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Question 520

Biological equilibrium is found among the?

A) Producers and consumers B) Producers and decomposers C) Producers, consumers and decomposers D) Producers and light

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