KVPY Stream-SA (Class 11) Biology: Questions 263 - 271 of 304

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Question number: 263

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

MCQ▾

Question

Which is normally not an air pollutant -

Choices

Choice (4) Response

a.

CO

b.

SO2

c.

Hydrocarbons

d.

CO2

Question number: 264

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

Appeared in Year: 2000

MCQ▾

Question

The term Autecology is refers to study of: [RPMT]

Choices

Choice (4) Response

a.

Individual organism

b.

Soil form

c.

Plant community

d.

Environment

Question number: 265

» Structural Organization in Animals and Plants » Animal Tissues - Morphology, Anatomy and Functions - Mainly Cockroach » Respiratory System

MCQ▾

Question

Which are exclusively viviparous?

Choices

Choice (4) Response

a.

Sharks

b.

Bony fishes

c.

Whales

d.

Cartilaginous fishes

Question number: 266

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

MCQ▾

Question

What is B. O. D. : -

Choices

Choice (4) Response

a.

The amount of O2 utilized by organisms in water

b.

The amount of O2 utilized by microorganisms for decomposition

c.

The total amount of O2 present in water

d.

All of the above

Question number: 267

» Ecology and Environment » Ecosystem » Productivity and Decomposition

MCQ▾

Question

“Biocoenosis” name proposed by –

Choices

Choice (4) Response

a.

Reiter

b.

Karl Mobius

c.

Haeckel

d.

Tansley

Question number: 268

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

MCQ▾

Question

Ecology name proposed by –

Choices

Choice (4) Response

a.

Reiter

b.

Tansley

c.

Karl Mobius

d.

Sukhachev

Question number: 269

» 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: 270

» 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: 271

» 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

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