Environmental Science and Ecology - Mock Test 64

Question 631

The transfer of energy from organism to organism is a natural community establishes?

A) Food chains B) Biological control C) Natural barriers D) All the above

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Question 632

Which is a primary consumer?

A) Scavenger B) Saprophyte C) Carnivore D) Herbivore

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Question 633

In forest ecosstem, pyramid of number is?

A) Upright B) Inverted C) Any of the two D) None of the above

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Question 634

The driving force of the ecosystem is?

A) Carbohydrates in plants B) Biomass C) Solar energy D) Producers

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Question 635

The pyramid of energy is always?

A) Inverted B) Upright C) Both of these/Horizontal D) Inverted in forest ecosystem

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Question 636

The trophic level of lion is a forest ecosystem is?

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

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Question 637

The two major functional components of an ecosystem are?

A) Energy flow and food chain B) Mineral recycling and energy flow C) Food chain and decomposers D) Energy flow and decomposers

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Question 638

Man is a?

A) Producer B) Consumer C) Herbivore D) None of these

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Question 639

If corbon dioxide is withdrawn from the biosphere, which organism would first experience negative effect?

A) Primary consumers B) Producers C) Secondary consumers D) Tertiary consumers

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Question 640

In lake ecosystem, the pyramid of biomass is?

A) Upright B) Inverted C) Anything possible D) None is correct

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