AIIMS Biology: Questions 327 - 331 of 405

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Question number: 327

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

Appeared in Year: 2003

MCQ▾

Question

Biological Oxygen Demand (BOD) is a measure of

Choices

Choice (4) Response

a.

Amount of carbon monoxide inseparably combined with haemoglobin

b.

Industrial wastes poured into water bodies

c.

Extent to which water is polluted with organic compounds

d.

Amount of oxygen needed by green plants during night

Question number: 328

» Ecology and Environment » Environmental Issues » Solid Waste Management

MCQ▾

Question

Removal of the soil by the action of wind and water is known as -

Choices

Choice (4) Response

a.

Fossilization

b.

Calcification

c.

Leaching

d.

Erosion

Question number: 329

» Ecology and Environment » Ecosystem » Energy Flow

MCQ▾

Question

In an ecosystem the function of the producers is to

Choices

Choice (4) Response

a.

Utilize chemical energy

b.

Release energy

c.

Trap solar energy and convert it into chemical energy

d.

Convert organic compounds into inorganic compounds

Question number: 330

» Human Physiology » Neural Control and Coordination » Reflex Action

MCQ▾

Question

The human eye is sensitive only to light having wave length ranging from

Choices

Choice (4) Response

a.

780 to 870 nanometers

b.

380 to 760 nanometers

c.

80 to 280 nanometers

d.

880 to 980 nanometers

Question number: 331

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

Appeared in Year: 2005

Assertion-Reason▾

Assertion (Ꭺ)

Suspended particulate matter (SPM) is an important pollutant released by diesel vehicles.

Reason (Ꭱ)

Catalytic converters greatly reduce pollution caused by automobiles.

Choices

Choice (4) Response

a.

Both Ꭺ and Ꭱ are false

b.

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

c.

Ꭺ is true but Ꭱ is false

d.

Both Ꭺ and Ꭱ are true but Ꭱ is NOT the correct explanation of Ꭺ

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