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Essentiale: Ecosystem
Iris: Ecosystem
Invictus: Ecosystem
Ecosystem - Mini Q Bank
Ecosystem- Essentiale - (New NCERT)
Ecosystem - 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):  Net primary productivity is higher in warm climates than in cold ones.
Reason (R):  The limit on a community’s productivity is determined ultimately by the amount of sunlight it receives.
 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:  Ecosystem Productivity | Energy Flow |
 64%
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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): Some aquatic ecosystems have inverted biomass pyramids.
Reason (R): The pyramid of energy is also inverted in such ecosystems.
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:  Ecological Pyramids |
 83%
From NCERT
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Assertion: Ecosystems with intermediate levels of productivity tend to have the most species.
Reason: The relationship between productivity and species richness is not linear.

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:  Ecosystem Productivity |
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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): Saprophytes play a vital role in the ecosystem.
Reason (R): Saprophytes are accorded the highest trophic level in a food chain or a food web.
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:  Energy Flow |
 74%
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): There is no limitation on the number of trophic levels in a detritus food chain.
Reason (R): The transfer of energy between successive trophic levels in a detritus food chain does not follow the 10% rule.

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:  Energy Flow |
 51%
From NCERT
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Assertion: The Amazon basin exhibits especially high productivity from roughly August through October - the period of the area's dry season.
Reason: Even in the tropics, there are variations in productivity over the course of the year.

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:  Ecosystem Productivity |
To view explanation, please take trial in the course.
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):  Strongly vertically stratified habitats are very stable ecosystems.
Reason (R):  Through the formation of different layers a given habitat is better utilized.
 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:  Components & Types of Ecosystems |
 70%
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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):  Carnivores generally have higher assimilation efficiencies than herbivores.
Reason (R):  Carnivores generally consume more food than herbivores.

 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:  Energy Flow |
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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 plants that are early seral species also tend to be wind-pollinated rather than insect-pollinated.
Reason (R):  They are often photosynthetic plants.

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:  Ecological Succession (OLD NCERT) |
 62%
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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):  Secondary succession is usually faster than primary succession. 
Reason (R):  Secondary succession is a process started by an event that reduces an already established 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:  Ecological Succession (OLD NCERT) |
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
Hints
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
Select Question Set:
filter
Essentiale: Ecosystem
Iris: Ecosystem
Invictus: Ecosystem
Ecosystem - Mini Q Bank
Ecosystem- Essentiale - (New NCERT)
Ecosystem - Iris - (New NCERT)
Q. No.

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