Ecology and Environment (AIIMS (All India Institute of Medical Sciences) Biology): Questions 37 - 42 of 52

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Question number: 37

» Ecology and Environment » Biodiversity and Its Conservation » Endangered Organisms

Appeared in Year: 2003

MCQ▾

Question

The map given below indicates the former and the present distribution of an animal. Which animal could it be: -

Choices

Choice (4) Response

a.

Lion

b.

Wild ass.

c.

Black buck

d.

Nilgai

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Question number: 38

» Ecology and Environment » Ecosystem » Patterns, Components

MCQ▾

Question

In a forest ecosystem green plants are –

Choices

Choice (4) Response

a.

Primary consumers

b.

Consumers

c.

Primary producers

d.

Decomposers

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Question number: 39

» Ecology and Environment » Environmental Issues » Agrochemicals and Their Effects

Appeared in Year: 1985

MCQ▾

Question

Exposure of plants to high fluoride concentration results in necrosis or chlorosis characteristically in - [CPMT]

Choices

Choice (4) Response

a.

Leaf tip and leaf margins

b.

Petiole but not in lamina

c.

Only mid rib in lamina

d.

Stem tips only

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Question number: 40

» Ecology and Environment » Ecosystem » Nutrient Cycling

MCQ▾

Question

If we completely remove decomposers from an ecosystem, the ecosystem functioning will be adversely affected because -

Choices

Choice (4) Response

a.

Rate of decomposition of other components will be very high

b.

Mineral movement will be blocked

c.

Energy flow will be blocked

d.

Herbivores will not receive solar energy

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Question number: 41

» Ecology and Environment » Environmental Issues » Air Pollution and Its Control

Appeared in Year: 1979

MCQ▾

Question

Which will not cause any atmospheric pollution - [CPMT]

Choices

Choice (4) Response

a.

Sulphur dioxide

b.

Hydrogen

c.

Carbon monoxide

d.

Carbon dioxide

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Question number: 42

» Ecology and Environment » Environmental Issues » Ozone Depletion

Appeared in Year: 2005

Assertion-Reason▾

Assertion (Ꭺ)

Presently, the global atmosphere is warming up.

Reason (Ꭱ)

The depletion of stratospheric ozone layer has resulted in increase in ultraviolet radiations reaching the earth.

Choices

Choice (4) Response

a.

Ꭺ is true but Ꭱ is false

b.

Both Ꭺ and Ꭱ are true and Ꭱ is the correct explanation of Ꭺ

c.

Both Ꭺ and Ꭱ are false

d.

Ꭺ is false but Ꭱ is true

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