Ecology and Environment (KVPY Stream-SA (Class 11) Biology): Questions 29 - 37 of 52

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Question number: 29

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

MCQ▾

Question

What is found in photochemical smog?

Choices

Choice (4) Response
a.

NO2

b.

CO

c.

Ozone

d. Both a. and c. are correct

Question number: 30

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

MCQ▾

Question

Cotton dust is an important pollutant in –

Choices

Choice (4) Response
a.

Delhi

b.

Madras

c.

Ahmedabad

d.

Calcutta

Question number: 31

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

MCQ▾

Question

The most harmful air pollutant produced by automobiles is -

Choices

Choice (4) Response
a.

CO

b.

SO2

c.

HNO2

d.

NO

Question number: 32

» Ecology and Environment » Ecosystem » Patterns, Components

MCQ▾

Question

Which of the following is a man-made artificial ecosystem?

Choices

Choice (4) Response
a.

Ecosystem of artificial lakes & dams

b.

Grassland ecosystem

c.

Forest ecosystem

d. Question does not provide sufficient data or is vague

Question number: 33

» Ecology and Environment » Organisms and Environment » Habitat and Niche

MCQ▾

Question

Endemic plants -

Choices

Choice (4) Response
a.

Occur at high altitudes

b.

Cosmopolitan

c.

Occur in a particular area

d.

Occur on North Pole

Question number: 34

» Ecology and Environment » Environmental Issues » Ozone Depletion

Appeared in Year: 2002

MCQ▾

Question

Ozone layer of upper atmosphere is being destroyed by: [MPPMT]

Choices

Choice (4) Response
a.

Sulphurdioxide

b.

Carbon dioxide

c.

Smog

d.

Chlorofluorocarbon

Question number: 35

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

MCQ▾

Question

What is the intensity of sound in normal conversation?

Choices

Choice (4) Response
a.

120 - 150 decibel

b.

10 - 20 decibel

c.

30 - 60 decibel

d.

70 - 90 decibel

Question number: 36

» Ecology and Environment » Organisms and Environment » Population and Ecological Adaptations

MCQ▾

Question

Species ecology is -

Choices

Choice (4) Response
a.

Autecology

b.

Forest ecology

c.

Paleo ecology

d.

Synecology

Question number: 37

» Ecology and Environment » Ecosystem » Productivity and Decomposition

Appeared in Year: 2002

MCQ▾

Question

A pond is a: - [RPMT]

Choices

Choice (4) Response
a.

Natural ecosystem

b.

Community of plants & animals

c.

Biome

d.

Artificial ecosystem

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