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Essentiale: Biodiversity and Conservation
Iris: Biodiversity and Conservation
Invictus: Biodiversity and Conservation
Biodiversity and Conservation - Mini Q Bank
Biodiversity and Conservation - Essentiale - (New NCERT)
Biodiversity and Conservation - Iris - (New NCERT)
Q. No.

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.

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.
Subtopic:  Biodiversity Patterns |
 65%
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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): Large islands near the mainland will have more species than smaller islands more distant from the mainland.
Reason (R): The species richness of an island is determined by colonization and extinction.

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 |
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NEET 2025 - Target Batch
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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.
Subtopic:  Importance of Biodiversity |
From NCERT
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Assertion: Umbrella species are species selected for making conservation-related decisions.
Reason: Umbrella species has a disproportionately large effect on its natural environment relative to its abundance.

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:   Biodiversity Conservation |
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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): In almost all cases, habitat fragmentation leads to species loss.
Reason (R): Human alteration of habitat is the single greatest threat to diversity throughout the biosphere.
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:  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): Endemic organisms with limited ranges are most affected by habitat destruction.
Reason (R): These organisms are not found anywhere else in the world, and thus have less chance of recovering.

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 |
 77%
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): Pollution may cause extinction debt - future extinction of species due to events in the past.
Reason (R): Extinction debt occurs because of time delays between impacts on a species, such as destruction of habitat, and the species' ultimate disappearance.

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 |
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NEET 2025 - Target Batch
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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 indirect effects of losing many species as well as the diversity of ecosystems in general are enormous.
Reason (R): When biodiversity is lost, the environment loses many species that perform valuable and unique roles in the 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 the (A).
2. Both(A) and (R) are true but (R) is not the correct explanation of the (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 |
 73%
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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): Intermediate frequency or intensity of disturbance in a biological community will maximize diversity.
Reason (R): Only at intermediate levels of disturbance do a mix of colonizers and competitors co-exist.
In 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 the (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 |
 51%
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Select Question Set:
filter
Essentiale: Biodiversity and Conservation
Iris: Biodiversity and Conservation
Invictus: Biodiversity and Conservation
Biodiversity and Conservation - Mini Q Bank
Biodiversity and Conservation - Essentiale - (New NCERT)
Biodiversity and Conservation - Iris - (New NCERT)
Q. No.

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