Ecology and Environment-Environmental Issues (NEET Biology): Questions 8 - 15 of 43

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Question number: 8

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

MCQ▾

Question

The region that up to 50 km from the Earth above the troposphere is called

Choices

Choice (4) Response
a.

Mesosphere

b.

Thermosphere

c.

Troposphere

d.

Stratosphere

Question number: 9

» Ecology and Environment » Environmental Issues » Greenhouse Effect and Global Warning

MCQ▾

Question

Green house gases include

Choices

Choice (4) Response
a.

CH4, N2, CO2 & NH3

b.

CO2, O2, N2, NO2 & NH3

c.

CO2, CFC, CH4 & NO2

d.

CFC, CO2, NH3 & N2

Question number: 10

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

MCQ▾

Question

Which is the most SO2 polluted city?

Choices

Choice (4) Response
a.

Delhi

b.

Calcutta

c.

Madras

d.

Mumbai

Question number: 11

» Ecology and Environment » Environmental Issues » Ozone Depletion

MCQ▾

Question

Ozone layer depletion or hole in ozone layer is being found in

Choices

Choice (4) Response
a.

Russia

b.

South pole

c.

North pole

d. Question does not provide sufficient data or is vague

Question number: 12

» Ecology and Environment » Environmental Issues » Solid Waste Management

MCQ▾

Question

Gastro-intestinal disturbances is caused by

Choices

Choice (4) Response
a.

Cadmium

b.

Chromium

c.

Selenium

d.

Sodium

Question number: 13

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

MCQ▾

Question

B. O. D. test (biological oxygen demand test) is made for measuring

Choices

Choice (4) Response
a.

Water pollution

b.

Noise pollution

c.

Air pollution

d.

Soil pollution

Question number: 14

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

MCQ▾

Question

Eutrophication leads to death of fish due to

Choices

Choice (4) Response
a.

Decreased O2 content.

b.

Increased algae content.

c.

Decreased algae content.

d.

Increased O2 content

Question number: 15

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

MCQ▾

Question

All organic substance found in the biosphere necessarily contain

Choices

Choice (4) Response
a.

Nitrogen

b.

Oxygen

c.

Carbon

d.

Silica

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