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Introduction & Types
Magnitude of Biodiversity
Biodiversity Patterns
Importance of Biodiversity
Loss of Biodiversity
In Situ Conservation of Biodiversity
Ex Situ Conservation of Biodiversity
Biodiversity Conservation
Biodiversity
Q. No.

Earth Summit 2012 was held in:

1.Rio2.Johannesberg
3.Paris4.Geneva

Subtopic:  Ex Situ Conservation of Biodiversity |

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The historic convention on Biological Diversity held in Rio de Janeiro in 1992 is known as:

1.CITES Convention2.The Earth Summit
3.G-16 Summit4.MAB Programme

Subtopic:  Ex Situ Conservation of Biodiversity |
 96%
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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):  Biologists are not sure about how many prokaryotic species there might be.
Reason (R):  A large number of species have not been data based so far.
 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:  Introduction & Types |
 51%

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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):  There is a steady increase in species richness from the arctic to the tropics.
Reason (R):  Seasonal variation is substantially more in tropics than in arctics.
 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:  Biodiversity Patterns |
 58%

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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):  Species diversity contributes to the well-being of an ecosystem.
Reason (R):  Rich biodiversity contributes to higher productivity of an ecosystem.
 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:  Importance of Biodiversity |
From NCERT

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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):  Non-native introduced species always have a negative impact on the ecosystem in which they have been introduced.
Reason (R):  Non-native species always become invasive in the introduced ecosystem.
 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:  Loss of Biodiversity |
From NCERT

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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):  Conserving the biological diversity of the ecological hotspots is very important component of efforts to safeguard the world’s biological heritage.
Reason (R):  The hotspots of biodiversity cover a large percentage of the land area of earth.
 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:  In Situ Conservation of Biodiversity |  Biodiversity Conservation |
 75%

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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):  Ex-situ conservation, while helpful in humankind's efforts to sustain and protect our environment, is rarely enough to save a species from extinction.
Reason (R):  It is to be used as a last resort, or as a supplement to in-situ conservation.
 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:  Ex Situ Conservation of Biodiversity |

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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):  Biosphere reserves attempt to achieve three interconnected functions: conservation, development and logistic support.
Reason (R):  They are legally protected areas where no human activity is allowed.

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:  Ex Situ Conservation of Biodiversity |

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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):  The current mass extinction is different from the previous episodes of mass extinctions.
Reason (R):  It is happening at a faster rate and is mainly anthropogenic in nature.
 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:  Loss of Biodiversity |
 88%
From NCERT

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Select Chapter Topics:
filter
Introduction & Types
Magnitude of Biodiversity
Biodiversity Patterns
Importance of Biodiversity
Loss of Biodiversity
In Situ Conservation of Biodiversity
Ex Situ Conservation of Biodiversity
Biodiversity Conservation
Biodiversity
Q. No.

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