Environmental Science and Ecology - Mock Test 46

Question 451

Abiotic factors are?

A) Climatic B) Edaphic factors C) Topography D) All of the above

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Question 452

Environmental factors in ecosystem?

A) Abiotic factors B) Biotic factors C) Both a & b D) None of these

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Question 453

In a food chain, the total amount of living material is depicted by?

A) Pyramid of biomass B) Pyramid of energy C) Pyramid of number D) Trophic levels

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Question 454

Which of the following is expected to have the highest value (gm/m2/yr) in a grassland ecosystem?

A) Tertiary Production B) Gross Production (GP) C) Net Production (NP) D) Secondary Production

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Question 455

Bacteria and fungi in a forest ecosystem are generally?

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

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Question 456

The correct sequence of food chain is?

A) Grass-insect-bird-snake B) Grass-bird-insect-snake C) Snake-bird-insect-grass D) Grass-snake-bird-insect

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Question 457

An ecosystem which can be easily damaged but can recover after sometime if damaging effect stops will be having?

A) High stability and low resilience B) Low stability and low resilience C) Low stability and high resilience D) High stability and high resillience

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Question 458

Ecological pyramids were discovered by?

A) Elton B) Odum C) Reiter D) None of these

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Question 459

The ultimate energy source of ecosystem is?

A) Solar energy B) Biomass C) Producer D) Carbohydrates

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Question 460

In the following there is no difference?

A) Trophic level 1st and herbivores B) Primary consumers and herbivores C) Primary carnivore and trophic level 2nd D) Secondary consumer and herbivores

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