If an agricultural field is liberally irrigated for a prolonged period of time, it is likely to face the problem of:

1.  Metal Toxicity 2.  Alkalinity
3.  Acidity 4.  Salinity

Subtopic:  Resource Utilisation & Maintenance |
 73%
From NCERT
NEET - 2019
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NEET 2023 - Target Batch - Aryan Raj Singh
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Which of the following is an innovative remedy for plastic waste?

1. Burning in the absence of oxygen

2. Burying 500 m deep below the soil surface

3. Polyblend

4. Electrostatic precipitator

Subtopic:  Solid Waste Pollution |
 90%
From NCERT
NEET - 2019
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Which of the following statements about ozone is correct?

1. Tropospheric ozone protects us from UV radiation

2. Stratospheric ozone is 'bad'

3. Tropospheric ozone is 'good'

4. Stratospheric ozone protects us from UV radiation

Subtopic:  Ozone Layer Depletion |
 90%
From NCERT
NEET - 2019
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Biomagnification of DDT in aquatic food chain leads to high concentration of DDT in fish eating birds. It results in
(1) Disturbance in calcium metabolism in birds.
(2) Thinning of egg shell and their premature breaking.
(3) Decline in birds population

1. (1) and (2) only

2. (2) and (3) only

3. (1) and (3) only

4.  All (1), (2) and (3)

Subtopic:  Water Pollution: I | Water Pollution |
 92%
From NCERT
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National Forest Policy __A__ of India has recommended __B__ forest cover for the plains and __C__ for the hills. Fill the blanks with suitable A, B and C
      A       B        C
1. 1988   33%   67%
2. 1988   30%   19.4%
3. 1989   30%    65%
4. 1987   19.4%  30%

Subtopic:  Resource Utilisation & Maintenance |
 85%
From NCERT
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Which of the following is not correct with respect of control of vehicular air pollution in India?
1. Use of CNG as fuel
2. Not phasing out of old vehicles as they have better technology
3. Use of unleaded petrol, low-sulphur petrol and diesel
4. Use of catalytic converter

Subtopic:  Air Pollution |
 92%
From NCERT
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To protect and improve the quality of our environment, government of India has passed Environment (Protection) Act in the year ______

1. 1974

2. 1981

3. 1986

4.  1987

Subtopic:  Air Pollution |
 76%
From NCERT
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Assertion: During green revolution, crop production is increased.

Reason: Deforestation is one of the method of green revolution to increases productivity.

  1. If both the assertion and the reason are true and the reason is a correct explanation of the assertion
  2. If both the assertion and reason are true but the reason is not a correct explanation of the assertion
  3. If the assertion is true but the reason is false
  4. If both the assertion and reason are false
Subtopic:  Resource Utilisation & Maintenance |
 77%
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Which of the following protocols did aim for reducing the emission of chlorofluorocarbons into the atmosphere?

1. Geneva protocol

2. Montreal protocol

3. Kyoto protocol

4. Gothenburg protocol

Subtopic:  Ozone Layer Depletion |
 87%
From NCERT
NEET - 2019
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Polyblend, a fine powder of recycled modified plastic, has proved to be a good material for:
1. making tubes and pipes
2. making plastic sacks
3. use as a fertilizer
4. construction of roads

Subtopic:  Solid Waste Pollution |
 88%
From NCERT
NEET - 2019
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NEET 2023 - Target Batch - Aryan Raj Singh
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NEET 2023 - Target Batch - Aryan Raj Singh