Environmental Science and Ecology - Mock Test 66

Question 651

A food chain consists of?

A) Producers and primary consumers B) Producer, herbivores and carnivores C) Produers, carnivores and decomposers D) Producers, consumers and decomposers

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Question 652

The first link in any food chain is a green plant because?

A) They are widely distributed B) They are firmly fixed to soil C) They alone have the capacity to fix the atmospheric CO2 in the presence of sunlight D) There are more herbivorous animals than the carnivorous

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Question 653

In a food chain, man is?

A) Producer B) Primary consumer only C) Primary and Secondary consumer D) Secondary consumer only

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Question 654

The significance of ecosystem lies in?

A) Flow of energy B) Cycling of matters C) Both a & b D) None of the above

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Question 655

Carnivores are?

A) Usually primary consumers B) Usually secondary consumers C) Usually decomposers rather than consumers D) Usually secondary or tertiary consumers

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Question 656

The incorporation of minerals by microbes is called?

A) Mineralization B) Humification C) Nutrient immobilization D) Microbe immobilization

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Question 657

The word ecosystem was coined by?

A) Daubenmire/R.Misra/Koestle B) Tansley C) Weaver and Clements D) Odum/Kormondy

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Question 658

In plants proteins are made by using?

A) carbonates B) nitrates C) sulfates D) chlorates

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Question 659

A parasitic plant which grows on host tree and kills slowly host tree is called?

A) stranger fig B) pine tree C) snobar tree D) mango tree

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Question 660

Strong jaws, sharp teeth and claws are features of?

A) predator B) prey C) scavenger D) wild animal

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