Environmental Science and Ecology - Mock Test 59

Question 581

The pyramid of biomass is variable in some?

A) Grassland ecosystems B) Pond ecosystems C) Parasitic ecosystems D) Forest ecosystems

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Question 582

The amount of living matter present in a component population of a particular trophic level is called?

A) Standing crop B) Standing quality C) Both 1⃣ & 2⃣ D) Standing state

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Question 583

Every ecosystem must have a continuous external source of?

A) Energy B) Oxygen C) Living organism D) Bacteria

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Question 584

The river mouth ecosystem is called?

A) Estuarine B) Lotic C) Lentic D) None of these

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Question 585

The trophic structure in an ecosystem is infact?

A) Producer-consumer arrangement B) Refers to grazing food chain only C) Never forms a food web D) Never photosynthesis dependent

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Question 586

Food chains are met with only in the?

A) Sea B) Forests C) Deserts D) In all these places

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Question 587

A biotic community comprises?

A) Plants only B) Animals only C) Plants and animals D) Plants or animals

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Question 588

In a food chain, the initial organism is?

A) Herbivore B) Photosynthesis C) Carnivore D) Symbiotic

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Question 589

All the living organisms on the earth interacting with atmosphere constitute?

A) Biosphere B) Community C) Biome D) Association

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Question 590

Biome' is?

A) A community of organisms interacting with one another B) That part of the earth and its atmosphere, which inhabits living organisms C) The flora on land D) The flora in an ocean

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