Environmental Science and Ecology - Mock Test 33

Question 321

Which of the following statements is correct?

A) Least productive ecosystem is desert and deep lake B) Sugarcane is the most productive agroecosystem C) Most productive ecosystem is coral reef D) All the above

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Question 322

Average total rainfall is 100 - 150 cm in ______, located in Australia, South America and Africa?

A) Tropical Savannas B) Chaparrals C) Deciduous forest D) Temperate forest

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Question 323

Which one of the following animals may occupy more than one trophic levels in the same ecosystem at the same time?

A) Goat B) Frog C) Sparrow D) Lion

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Question 324

Which one of the following statements for pyramid of energy is incorrect, whereas the remaining three are correct?

A) It is upright in shape B) Its base is broad C) It shows energy content of different trophic level organisms D) It is inverted in shape

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Question 325

Which one of the following statements is correct for secondary succession?

A) It is similar to primary succession except that it has a relatively fast pace B) It begins on a bare rock C) It occurs on a deforested site D) It follows primary succession

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Question 326

Which one of the following types of organisms occupy more than one trophic level in a pond ecosystem?

A) Frog B) Phytoplankton C) Fish D) Zooplankton

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Question 327

Xeric environment is characterized by ?

A) High precipitation B) Low atmospheric humidity C) Extremes of temperatures D) High rate of vaporization

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Question 328

The term ‘Ecosystem’ was coined by ?

A) Odum B) Clements C) Arthur G. Tansley D) Elton

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Question 329

Concept of ecological pyramids was proposed by ?

A) Odum B) Clements C) Tansley D) Charles Elton

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Question 330

Suleman-98 is a variety of?

A) Rice B) Sugarcane C) Wheat D) Oil seed

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