Environmental Science and Ecology - Mock Test 78

Question 771

MAB program stands for?

A) Man and biotechnology B) Material and biology C) Man and Biology D) Man and Biosphere

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Question 772

The gradual physiological adjustment to slowly changing new environmental conditions is known as?

A) Selection B) Introduction C) Acclimatization D) Quarantine

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Question 773

Ecological niche of an organism represents?

A) The resource it utilizes B) Functional role in the ecological system C) The range of conditions that it can tolerate D) all of these

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Question 774

Ultraviolet radiation which is not lethal but harm to the organism is?

A) 0.1 to 0.28 µm B) 0.28-0.32 µm C) 0.32-0.4 µm D) 0.4-0.5 µm

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Question 775

The maintenance of relatively constant internal environment is called?

A) Homeostasis B) Exotherms C) Homeobox D) Endotherms

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Question 776

Climate includes?

A) Seasonal variation B) General patterns of atmosphere conditions C) Average weather of an area D) All of these

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Question 777

A group of individuals of a plant or animal species, inhabiting a given area is called?

A) Biome B) Population C) Ecosystem D) Community

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Question 778

Organisms having the potential for interbreeding and producing fertile offspring is called?

A) Class B) Order C) Genus D) Species

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Question 779

In grassland ecosystem, the pyramid of biomass is?

A) upright B) inverted C) spindle shaped D) none of these

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Question 780

In pond ecosystem, the pyramid of biomass is?

A) upright B) inverted C) spindle shaped D) none of these

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