Environmental Science and Ecology - Mock Test 28

Question 271

Which one of the following correctly represents an organism and its ecological niche?

A) Vallisneria and pond B) Desert locust (Schistocerca) and desert. C) Plant lice (aphids) and leaf D) Vultures and dense forest

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Question 272

Littoral zone is located along the ?

A) High mountains B) Sea C) Rivers D) Desert

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Question 273

A renewable exhaustible natural resource is ?

A) Petroleum B) Coal C) Forest D) Minerals

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Question 274

Which one of the following ecosystem types has the highest annual net primary productivity?

A) Tropical deciduous forest B) Tropical rain forest C) Temperate deciduous forest D) Temperate evergreen forest

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Question 275

The age of pyramid with broad base indicates ?

A) High percentage of old individuals B) Low percentage of young individuals C) High percentage of young individuals D) Low percentage of old individuals

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Question 276

Bell-shaped polygonal pyramid indicates ?

A) Low percentage of young individuals B) Moderate percentage of young individuals C) High percentage of young individuals D) Low percentage of old individuals

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Question 277

"Complete competitors cannot coexist" is true for ?

A) Primary succession B) Secondary succession C) Competitive exclusion D) Character displacement

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Question 278

Trophic levels in ecosystem is formed by?

A) only herbivores B) only plants C) only bacteria D) Organisms linked in food chain

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Question 279

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

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

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Question 280

The final stable community in ecological succession is ?

A) Climax B) Sere C) Pioneers D) Carnivores

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