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 |
 83%
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Environmental Planing organization is

1. CSIR

2. CPHERI

3. ICAR

4. NEERI

Subtopic:  Introduction |
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Which will not cause any atmospheric pollution

1. Hydrogen

2. Sulphur dioxide

3. Carbon dioxide

4. Carbon monoxide

Subtopic:  Introduction |
 87%
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Which of the following is the main factor of water pollution

(1) smoke

(2) Industrial waste

(3) Detergent

(4) Ammonia

Subtopic:  Water Pollution - Water Pollution & Portable Water |
 85%
From NCERT
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Which is more important for water pollution

(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 |
 67%
From NCERT
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Pollution can be controlled by-

1. Sewage treatment.

2. Checking atomic blasts.

3. Manufacturing electrically operated vehicles.

4. All of the above.

Subtopic:  Water Pollution - Water Pollution & Portable Water |
 94%
From NCERT
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If water pollution continues at its present rate, it will eventually :

1. Stop the water cycle.

2. Prevent precipitation.

3. Make oxygen molecules unavailable to water plants.

4. Make nitrate molecules unavailable to water plants.

Subtopic:  Water Pollution - Water Pollution & Portable Water |
 78%
From NCERT
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In cities like Bombay and Calcutta, the major air pollutants are

(1) Ozone

(2) Carbon monoxide and oxides of Sulphur

(3) Hydrocarbons and not air

(4) Algal spores and marsh gas

Subtopic:  Air Pollution - Global Warming |
 91%
From NCERT
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Recent reports of acid rains industrial cities are due to the effect of atmospheric pollution by

(1) Excessive release of NO2 and SO2 by burning of fossil fuels.

(2) Excessive release of CO2 by burning of fuel like wood and charcoal, cutting of forests and increased  animal population.

(3) Excessive release of NH3  by industrial plants and coal gas.

(4) Excessive release of CO in atmosphere by incomplete combustion of cock, charcoal and other carbonaceous fuels in pancity of oxygen.

Subtopic:  Air Pollution - Acid Rain |
 81%
From NCERT
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