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Essentiale: Environmental Issues
Environmental Issues - Mini Q Bank
Iris: Environmental Issues
Invictus: Environmental Issues
Q. No.

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 |

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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): Wetlands are the largest natural source of atmospheric methane in the world, and therefore remain a major area of concern with respect to climate change.
Reason (R): Wetlands are characterized by water-logged soils and distinctive communities of organisms that have evolved and adapted to the constant presence of water.
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%

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Assertion: In the past 30-40 years global average land temperatures have increased about twice as fast as global average ocean temperatures.
Reason: Oceans have a large heat capacity and lose more heat by evaporation.

1. Both assertion and reason are true and the reason is the correct explanation of the assertion.
2. Both assertion and reason are true but the reason is not the correct explanation of the assertion.
3. Assertion is true but reason is false.
4. Both assertion and reason 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:  Green House Effect & Global Warming |
 60%

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Assertion: Temperatures have increased about twice as fast in the Arctic as in the mid-latitudes, a phenomenon known as “Arctic amplification.”
Reason: The loss of sea ice is one of the most important reasons for this.

1. Both assertion and reason are true and the reason is the correct explanation of the assertion.
2. Both assertion and reason are true but the reason is not the correct explanation of the assertion.
3. Assertion is true but reason is false.
4. Both assertion and reason 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:  Green House Effect & Global Warming |
 63%

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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): Episodic shifts in winds and water currents across the equatorial Pacific can cause floods in the South American desert while stalling and drying up the monsoon in Indonesia and India.
Reason (R): During an El Niño event, the surface waters in the central and eastern Pacific Ocean become significantly colder than usual.
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:  Green House Effect & Global Warming |

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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):  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%

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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 |

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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): Chlorofluorocarbons (CFCs) and other halogenated ozone-depleting substances (ODS) are mainly responsible for man-made chemical ozone depletion.
Reason (R): CFCs can travel to the stratosphere without being destroyed in the troposphere due to their low reactivity.
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 |

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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):  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 |
 67%

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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): Slash-and-char is an alternative to slash-and-burn that has a lesser effect on the environment.
Reason (R): It is the practice of charring the biomass resulting from the slashing, instead of burning it.

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 |

To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.

Hints
Select Question Set:
filter
Essentiale: Environmental Issues
Environmental Issues - Mini Q Bank
Iris: Environmental Issues
Invictus: Environmental Issues
Q. No.

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