Minamata disease is caused due to the presence of …………. in water.

1. cadmium

2. lead

3. arsenic

4. mercury

Subtopic:  Water Pollution |
 61%
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Biological Oxygen Demand (BOD) is a measure of:
 

1. industrial wastes poured into water bodies
2. extent to which water is polluted with organic compound
3. amount of carbon monoxide inseparably combined with haemoglobin
4. amount of oxygen needed by green plants during night
Subtopic:  Water Pollution |
 76%
From NCERT
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The Montreal Protocol refers to:

1. persistent organic pollutants

2. global warming and climate change

3. substances that deplete the ozone layer

4. biosafety of genetically modified organisms

Subtopic:  Ozone Layer Depletion |
 71%
From NCERT
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Which of the following methods is the most suitable for the disposal of nuclear waste?

1. Bury the waste within rocks, deep below the earth's surface
2. Shoot the waste into the space
3. Bury the waste under the Antarctic ice-cover
4. Dump the waste within rocks, under deep ocean
Subtopic:  Agrochemical & Radioactive Waste |
 83%
From NCERT
NEET - 2019
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Which of the following pairs of gases is mainly responsible for green house effect?

1. Carbon dioxide and methane

2. Ozone and Ammonia

3. Oxygen and Nitrogen

4. Nitrogen and Sulphur dioxide

Subtopic:  Green House Effect & Global Warming |
 90%
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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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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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 |
 76%
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A lake with an inflow of domestic s wage rich in organic waste may result in:

1. Drying of the lake very soon due to algal bloom

2. Increased production of fish due to lot of nutrients

3. Death of fish due to lack of oxygen

4. Increased population of aquatic food web organisms

Subtopic:  Water Pollution |
 74%
From NCERT
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In a coal-fired power plant, electrostatic precipitators are installed to control the emission of:

1. SO2

2. NOx

3. SPM

4. CO

Subtopic:  Air Pollution |
 61%
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