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AIIMS (All India Institute of Medical Sciences) Biology: Questions 382 - 386 of 467

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Question 382

Question

MCQ▾

In his classic experiment on the formation of amino acids, Stanley Miller an electric discharge in a mixture of

Choices

Choice (4)Response

a.

Steam, CH4, H2 and NH3

b.

CH4, H2, N2 and steam

c.

CH4, CO2, O2 and H2

d.

CH4, O2, H2 and steam

Question 383

Question

MCQ▾

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

Choices

Choice (4)Response

a.

Energy flow will be blocked

b.

Mineral movement will be blocked

c.

Rate of decomposition of other components will be very high

d.

Herbivores will not receive solar energy

Question 384

Air Pollution and Its Control

Appeared in Year: 1979

Question

MCQ▾

Which will not cause any atmospheric pollution - [CPMT]

Choices

Choice (4)Response

a.

Carbon monoxide

b.

Carbon dioxide

c.

Sulphur dioxide

d.

Hydrogen

Question 385

Question

MCQ▾

Plasmotomy occurs in

Choices

Choice (4)Response

a.

Plasmodium

b.

Aurelia

c.

Amoeba

d.

Opalina

Question 386

Appeared in Year: 2005

Question

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 false but Ꭱ is true

b.

Both Ꭺ and Ꭱ are false

c.

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

d.

Ꭺ is true but Ꭱ is false

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