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Q. No.Given below are two statements : one is labelled as Assertion (A) and the other is labelled as Reason (R).
Assertion (A):
Island ecosystems are generally more prone to invasion by the introduced species.
Reason (R):
Invasion is more likely in ecosystems that was similar to the one in which the potential invader evolved.
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.
.
- If both the assertion and the reason are true and the reason is a correct explanation of the assertion
- If both the assertion and reason are true but the reason is not a correct explanation of the assertion
- If the assertion is true but the reason is false
- If both the assertion and reason are false
- If both the assertion and the reason are true and the reason is a correct explanation of the assertion
- If both the assertion and reason are true but the reason is not a correct explanation of the assertion
- If the assertion is true but the reason is false
- If both the assertion and reason are false
Subtopic: Loss of Biodiversity |
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NEET 2025 - Target Batch
Hints
Given below are two statements : one is labelled as Assertion (A) and the other is labelled as Reason (R).
| Assertion (A): | Animals like elephants and whales are highly prone to extinction due to over-exploitation. |
| Reason (R): | Large-body-sized animals with low rates of reproduction makes them more susceptible to 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. |
- If both the assertion and the reason are true and the reason is a correct explanation of the assertion
- If both the assertion and reason are true but the reason is not a correct explanation of the assertion
- If the assertion is true but the reason is false
- If both the assertion and reason are false
Subtopic: Loss of Biodiversity |
65%
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NEET 2025 - Target Batch
Hints
Given below are two statements : one is labelled as Assertion (A) and the other is labelled as Reason (R).
In the light of the above statements, choose the most appropriate answer from the options given below :
| 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. |
| 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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NEET 2025 - Target Batch
Hints
Given below are two statements : one is labelled as Assertion (A) and the other is labelled as Reason (R).
In the light of the above statements, choose the most appropriate answer from the options given below :
| 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. |
| 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: Ex Situ Conservation of Biodiversity |
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NEET 2025 - Target Batch
Hints
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. |
Subtopic: Ex Situ Conservation of Biodiversity |
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NEET 2025 - Target Batch
Hints
Given below are two statements : one is labelled as Assertion (A) and the other is labelled as Reason (R).
In the light of the above statements, choose the most appropriate answer from the options given below :
| 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. |
| 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 |
88%
From NCERT
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NEET 2025 - Target Batch
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NEET 2025 - Target Batch
When the habitat gets fragmented, the edge effect:
| 1. | increases | 2. | decreases |
| 3. | remains the same | 4. | is irrelevant |
Subtopic: Loss of Biodiversity |
61%
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NEET 2025 - Target Batch
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The best preservation areas are:
1. small in size but multiple in number
2. large ones are better than small-sized ones
3. the size is less important than the number
4. size and number are irrelevant
Subtopic: Biodiversity Conservation |
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NEET 2025 - Target Batch
Hints
The dramatic increase in the population of Nile perch in Lake Victoria was due to:
| 1. | floods | 2. | eutrophication |
| 3. | drought | 4. | the introduction of new food |
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NEET 2025 - Target Batch
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NEET 2025 - Target Batch
Migratory birds like Siberian cranes are facing threats of extinction mainly due to:
1. pesticides
2. fragmentation or loss of habitat
3. urbanization
4. bad weather
72%
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NEET 2025 - Target Batch
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NEET 2025 - Target Batch
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