The gas that damages the ozone layer is -

1. CFCs 

2. CO2

3. CH

4. SO2

Subtopic:  Air Pollution - Ozone |
 93%
From NCERT
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The phenomenon in which atmospheric gases trap the heat radiations from the sun near the earth’s surface and keeps it warm is known as-

1. Natural greenhouse effect

2. Tyndall effect

3. Heating effect

4. Joule’s effect

Subtopic:  Air Pollution - Greenhouse Effect |
 91%
From NCERT
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Biosphere is

(1) In which individual interact to each other

(2) By which life originated

(3) The name of a bird

(4) Organic compound by which life diminishes

Subtopic:  Introduction |
 81%
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Which is not a renewable source

1. Sunlight

2. Coal

3. Water

4. Wind energy

Subtopic:  Introduction |
 80%
From NCERT
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Noosphere is synonyms of

(1) Environment

(2) Atmosphere

(3) Hydrosphere

(4) Stratosphere

Subtopic:  Introduction |
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When biosphere turns into human-dominated environment it is called

(1) Noosphere

(2) Troposphere

(3) Mesosphere

(4) Man sphere 

Subtopic:  Introduction |
 55%
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The living organisms on or around the earth constitute

(1) Biome

(2) Biosphere

(3) Community

(4) Biocoenosis

Subtopic:  Introduction |
 75%
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Biosphere refers to 

(1) Plants of the world

(2) Special plants

(3) Area occupied by living beings

(4) Plants of a particular area

Subtopic:  Introduction |
 94%
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What is the correct sequence of atmospheric layers starting from earth

(1) Stratosphere troposphere, mesosphere, thermosphere

(2) Troposphere, stratosphere, mesosphere, thermosphere

(3) Mesosphere, troposphere, stratosphere, thermosphere

(4) Thermosphere, mesosphere, stratosphere, troposphere

Subtopic:  Air Pollution - Ozone |
 79%
From NCERT
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A biosphere is composed of 

1. Living organisms

2. Living organisms + Lithosphere

3. Living organisms + lithosphere + atmosphere

4. Living organisms + lithosphere + atmosphere + Hydrosphere

Subtopic:  Introduction |
 81%
From NCERT
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