Environmental Science and Ecology - Comprehensive Mock Test 14

Question 131 Medium

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 132 Medium

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 133 Medium

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 134 Easy

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 135 Easy

The term ‘Ecosystem’ was coined by ?

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

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Question 136 Easy

Concept of ecological pyramids was proposed by ?

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

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Question 137 Easy

Area under forest in Pakistan is?

A) 2% B) 5% C) 7% D) 9%

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Question 138 Medium

The percentage of cultivation land of the total area of Pakistan is about?

A) 25% B) 35% C) 45% D) 55%

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Question 139 Medium

_____ percent of country's population living in rural area?

A) 57.50% B) 67.50% C) 77.50% D) 87.50%

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Question 140 Medium

______ percent of employee of agriculture work force?

A) 32% B) 42% C) 52% D) 62%

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