Environmental Science and Ecology - Mock Test 89

Question 881

Biotic potential is counteracted by ?

A) Competition with other organisms B) Producer is the largest C) Limitation of food supply D) None of the above

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Question 882

Trophic levels are formed by ?

A) Only plants B) only animals C) Only carnivorous D) Organisms linked in food chain

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Question 883

An ecosystem must have continuous external source of ?

A) minerals B) energy C) food D) All of the above

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Question 884

Energy flow in ecosystem is ?

A) Unidirectional B) Bidirectional C) Multidirectional D) None of the above

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Question 885

The pyramid of energy in any ecosystem is ?

A) Always upright B) May be upright or invented C) Always inverted D) None of the above

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Question 886

The term ‘Biocoenosis’ was proposed by ?

A) Transley B) Carl Mobius C) Warming D) None of the above

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Question 887

Ecotype is a type of species in which environmentally induced variations are ?

A) Temporary B) Genetically fixed C) Genetically not related D) None of the above

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Question 888

Synecology deals with ?

A) Ecology of many species B) Ecology of many populations C) Ecology of community D) None of the above

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Question 889

Autecology deals with ?

A) Ecology of species B) Ecology of many species C) Ecology of community D) All the above

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Question 890

Ecology deals with the study of?

A) Living beings B) Living and non living components C) Reciprocal relationship between living and non living components D) Environment

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