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 |
 78%
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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 |
 85%
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Petroleum resource is

(1) Renewable

(2) Non-renewable

(3) Synthetic & biodegradable

(4) Infinite & unconventional

Subtopic:  Introduction |
 91%
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The main aim of plant conservation is - 

(1) To conserve the necessary ecological activities and life-supporting systems

(2) To conserve species diversity and range of genetic material

(3) Both the above

(4) None of the above

Subtopic:  Introduction |
 86%
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Environmental Planing organization is

1. CSIR

2. CPHERI

3. ICAR

4. NEERI

Subtopic:  Introduction |
 52%
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Which will not cause any atmospheric pollution

(1) Hydrogen

(2) Sulphur dioxide

(3) Carbon dioxide

(4) Carbon monoxide

 

Subtopic:  Introduction |
 89%
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The main factor of water pollution is:

1. Smoke

2. Industrial waste

3. Detergent

4. Ammonia

Subtopic:  Water Pollution - Water Pollution & Portable Water |
 86%
From NCERT
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The major contributor to water pollution among the following is- 

1. Sound

2. SO2

3. Salts of arsenic

4. Sewage

Subtopic:  Water Pollution - Water Pollution & Portable Water |
 76%
From NCERT
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Which of the following atmospheric pollutants is not produced by the exhaust of motor vehicle in Delhi

(1) SO2

(2) Hydrocarbon gases

(3) Fly ash

(4) CO

Subtopic:  Air Pollution - Smog |
 72%
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Pollution can be controlled by

(1) Sewage treatment

(2) Checking atomic blasts

(3) Manufacturing electrically operated vehicles

(4) All the above

Subtopic:  Water Pollution - Water Pollution & Portable Water |
 96%
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