Ecology and Environment-Environmental Issues (AIIMS Biology): Questions 6 - 12 of 19

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Question number: 6

» 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: 7

» 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

Question number: 8

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

Appeared in Year: 1979

MCQ▾

Question

Which of the following is the main factor of water pollution- [CPMT]

Choices

Choice (4) Response

a.

Smoke

b.

Detergent

c.

Ammonia

d.

Industrial waste

Question number: 9

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

MCQ▾

Question

Which pollutant exhibits biomagnification in food chain

Choices

Choice (4) Response

a.

DDT

b.

PAN

c.

SO2

d.

CO

Question number: 10

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

MCQ▾

Question

Main air pollutant among the following is

Choices

Choice (4) Response

a.

Sulphur

b.

CO

c.

CO2

d.

N2

Question number: 11

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

MCQ▾

Question

Eutrophication refers to -

Choices

Choice (4) Response

a.

Low production in an aquatic ecosystem

b.

Stable production in a terrestrial ecosystem

c.

High production in an aquatic ecosystem

d.

Low production in a terrestrial

Question number: 12

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

Appeared in Year: 2004

MCQ▾

Question

Minamata disease was caused due to the consumption of

Choices

Choice (4) Response

a.

Oysters with lot of pesticide

b.

Sea food containing lot of cadmium

c.

Sea food contaminated with selenium

d.

Fish contaminated with mercury.

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