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Introduction to Pollution & Types
Air Pollution
Solid Waste Pollution
Agrochemical & Radioactive Waste
Green House Effect & Global Warming
Ozone Layer Depletion
Resource Utilisation & Maintenance
Water Pollution
Deforestation
Q. No.

Given below are two statements: one is labelled as Assertion (A) and the other is labelled as Reason (R).
Assertion (A):  According to CPCB, particulate size 2.5 micrometer or less in diameter [PM 2.5] are responsible for causing the greatest harm to human health.
Reason (R):  These fine particles can be inhaled deep into the lungs and can damage lungs.
 In the light of the above statements, choose the most appropriate answer from the options given below:
1.  Both (A) and (R) are true and (R) is the correct explanation of (A).
2.  Both (A) and (R) are true but (R) is not the correct explanation of (A).
3.  (A) is true but (R) is false.
4.  Both (A) and (R) are false.
  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:  Air Pollution |
 90%
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
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Given below are two statements : one is labelled as Assertion (A) and the other is labelled as Reason (R).
Assertion (A):   Compressed natural gas poses less of a threat in the event of a spill.
Reason (R):  It is heavier than air and sediments to the surface quickly.
 In the light of the above statements, choose the most appropriate answer from the options given below :
1.  Both (A) and (R) are true and (R) is the correct explanation of (A).
2.  Both (A) and (R) are true but (R) is not the correct explanation of (A).
3.  (A) is true but (R) is false.
4.  Both (A) and (R) are false.

  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:  Air Pollution |
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
Hints
Given below are two statements : one is labelled as Assertion (A) and the other is labelled as Reason (R).
Assertion (A):  Cultural eutrophication leads to decreased biodiversity in an aquatic ecosystem.
Reason (R): The primary limiting factor for eutrophication is phosphate.
 In the light of the above statements, choose the most appropriate answer from the options given below :
1.  Both (A) and (R) are true and (R) is the correct explanation of (A).
2.  Both (A) and (R) are true but (R) is not the correct explanation of (A).
3.  (A) is true but (R) is false.
4.  Both (A) and (R) are false.

  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:  Water Pollution |
 57%
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
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Given below are two statements : one is labelled as Assertion (A) and the other is labelled as Reason (R).
Assertion (A):  Predatory fish such as swordfish and sharks or birds like osprey and eagles have higher concentrations of mercury in their tissue than what could be accounted for by direct exposure alone.
Reason (R):  Mercury [or methyl mercury] undergoes biomagnifications in aquatic food chains.
In the light of the above statements, choose the most appropriate answer from the options given below :
1.  Both (A) and (R) are true and (R) is the correct explanation of (A).
2.  Both (A) and (R) are true but (R) is not the correct explanation of (A).
3.  (A) is true but (R) is false.
4.  Both (A) and (R) are false.

  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:  Water Pollution |
 74%
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
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Given below are two statements : one is labelled as Assertion (A) and the other is labelled as Reason (R).
Assertion (A):  Greenhouse effect is harmful to life on earth.
Reason (R):  It leads to increased risk in human beings for the development of certain cancers.
 In the light of the above statements, choose the most appropriate answer from the options given below :
1.  Both (A) and (R) are true and (R) is the correct explanation of (A).
2.  Both (A) and (R) are true but (R) is not the correct explanation of (A).
3.  (A) is true but (R) is false.
4.  Both (A) and (R) are false.

Subtopic:  Green House Effect & Global Warming |
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
Hints
Given below are two statements : one is labelled as Assertion (A) and the other is labelled as Reason (R).
Assertion (A):  Most of the longer-wavelength UV-C radiation reaches the surface of the earth.
Reason (R):  Ozone is transparent to most UV-C.
 In the light of the above statements, choose the most appropriate answer from the options given below :
1.  Both (A) and (R) are true and (R) is the correct explanation of (A).
2.  Both (A) and (R) are true but (R) is not the correct explanation of (A).
3.  (A) is true but (R) is false.
4.  Both (A) and (R) are false.
  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:  Ozone Layer Depletion |
 54%
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
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Given below are two statements : one is labelled as Assertion (A) and the other is labelled as Reason (R).
Assertion (A):  Ozone hole over Antarctica develops each year between late August and early October.
Reason (R):  Ozone depletion occurs within the polar vortex.
 In the light of the above statements, choose the most appropriate answer from the options given below :
1.  Both (A) and (R) are true and (R) is the correct explanation of (A).
2.  Both (A) and (R) are true but (R) is not the correct explanation of (A).
3.  (A) is true but (R) is false.
4.  Both (A) and (R) are false.

  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:  Ozone Layer Depletion |
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
Hints
Given below are two statements : one is labelled as Assertion (A) and the other is labelled as Reason (R).
Assertion (A):  Soil erosion rate increases due to deforestation.
Reason (R):  Deforestation decreases the amount of litter cover, which provides protection from surface runoff.
 In the light of the above statements, choose the most appropriate answer from the options given below :
1.  Both (A) and (R) are true and (R) is the correct explanation of (A).
2.  Both (A) and (R) are true but (R) is not the correct explanation of (A).
3.  (A) is true but (R) is false.
4.  Both (A) and (R) are false.

  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:  Agrochemical & Radioactive Waste |
 68%
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
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Sherwood Rowland and Mario Molina were awarded Nobel Prize in Chemistry in 1995 for their contribution to the study of:
1. Impact of air pollution on human health
2. Ozone depletion
3. Global warming
4. Deforestation and its global impact

Subtopic:  Air Pollution |
 57%
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NEET 2023 - Target Batch - Aryan Raj Singh
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Ozone hole develops over Antarctica each year between:

1. Early January and late April

2. Early March and late July

3. Late August and early October

4. Late September and early December

Subtopic:  Ozone Layer Depletion |
 78%
From NCERT
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
Hints
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
Select Chapter Topics:
filter
Introduction to Pollution & Types
Air Pollution
Solid Waste Pollution
Agrochemical & Radioactive Waste
Green House Effect & Global Warming
Ozone Layer Depletion
Resource Utilisation & Maintenance
Water Pollution
Deforestation
Q. No.

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