Chipko Movement,

(1) Garhwal Himalayas

(2) In 1978

(3) In 1731, by Amrita Devi

(4) Both A and C

Subtopic:  Resource Utilisation & Maintenance |
 60%
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JFM

Find the wrong statement out.

(1) Joint Forest Management

(2) The Government of India has introduced it

(3) Purpose was to work closely with the local communities for protecting and managing forests

(4) Communities are provided with money for their support under JFM

Subtopic:  Resource Utilisation & Maintenance |
 86%
From NCERT
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Match each item in Column I with one item in Column II and chose your answer from the codes given below:
Column I                                      Column II
I. Environment Act                        1. 1986
II. Montreal protocol                      2. 1987
III. Earth summit                           3. 1992
IV. Kyoto protocol                          4. 1997
Codes:
I II III IV
A. 1 2 3 4
B. 2 1 4 3
C. 2 1 3 4
D. 1 2 4 3

Subtopic:  Introduction to Pollution & Types | Air Pollution |
 75%
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Match each item in Column I with one item in Column II and chose your answer from the codes given below:
Column I                   Column II
(disease)                    (cause)
I. Itai-itai                   1. Excess nitrates in drinking water
II. Blue-baby              2. Cadmium pollutionsyndrome
III. Black foot             3. Mercury contamination of water
IV. Minamata              4. Chronic exposure to arsenic
Codes:
      I    II    III    IV
A.   1    2     3     4
B.   2    1     4     3
C.   2    1     3     4
D.   1    2     4     3

Subtopic:  Water Pollution |
 74%
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Match each item in Column I with one item in Column II regarding relative contribution of different greenhouse gases to global
warming and chose your answer from the codes given below:
Column I                           Column II
I. Carbon dioxide                1. 60 %
II. Methane                        2. 20 %
III. Nitrous oxide                3. 14 %
IV. CFCs                             4. 06 %
Codes:
      I   II   III    IV
A.   1   2    3     4
B.   2   1    4     3
C.   2   1    3     4
D.   1   2    4     3

Subtopic:  Green House Effect & Global Warming |
 70%
From NCERT
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Consider the following statements:

I. Catalytic converters are fitted into automobiles for reducing the emission of poisonous gases.
II. They convert unburnt hydrocarbons to CO2 and H2O, and CO and NO to CO2 and N2 respectively.
III. Vehicles equipped with catalytic converters should use leaded petrol.


Which of the above statements are true?

1. I and II only  2. I and III only
3. II and III only 4. I, II, and III
Subtopic:  Air Pollution |
 82%
From NCERT
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Consider the following statements:

I. Noise was added as an air pollutant to the Air (Prevention and Control of Pollution) Act in 1987.
II. Montreal protocol was signed in 1987 to control the emission of ozone-depleting substances.
III. The Earth Summit for the conservation of biodiversity and sustainable utilization of its benefits was held in 1992.


Which of the above statements are true?

1. I and II only  2. I and III only
3. II and III only 4. I, II, and III


 

Subtopic:  Air Pollution |
 76%
From NCERT
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Consider the following statements:

1. The “bad” ozone is the ozone that is formed in the troposphere.
2. The “good ozone” in the stratosphere acts as a shield against harmful UV radiation.
3. UV-A radiations can cause skin cancers and snow-blindness cataracts.


Which of the above statements are true?

1. I and II only 2. I and III only
3. II and III only 4. I, II, and III

Subtopic:  Ozone Layer Depletion |
 71%
From NCERT
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The following diagram shows the effect of sewage discharge on some important characteristics of a river. What can be A and B respectively?
   

1.  BOD and DO 2.  DO and BOD
3.  BOD and COD 4.  COD and BOD
Subtopic:  Water Pollution |
 74%
From NCERT
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The following diagram shows the working of an electrostatic precipitator. Identify the correct statement:
    

1.  A negative voltage ionizes the air around the wire that in turn ionizes the particles in the air stream.
2.  They are able to remove about 75% of the particulate matter present in the exhaust from a thermal power plant.
3.  The velocity of air between the plates must be rapid enough to allow electrostatic precipitation of the dust particles.
4.  PM 2.5 dust particles are more easily removed by the electrostatic precipitator than larger sized particulate matter.
Subtopic:  Air Pollution |
 62%
From NCERT
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