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A: During succession, nutrient availability decreases while biomass level increases.
R: NCP (Net community productivity) remains the same during succession.
  • a)
    If both Assertion & Reason are true, and the reason is the correct explanation of the assertion.
  • b)
    If both Assertion & Reason are true, but the reason is not the correct explanation of the assertion.
  • c)
    If the Assertion is a true statement, but Reason is false.
  • d)
    If both Assertion and Reason are false statements.
Correct answer is option 'D'. Can you explain this answer?
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A: During succession, nutrient availability decreases while biomass le...
Nutrient availability increases during successions.
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A: During succession, nutrient availability decreases while biomass le...


Explanation:

Assertion: During succession, nutrient availability decreases while biomass level increases.
- In the initial stages of succession, there is a high availability of nutrients as the ecosystem is relatively new and has not been depleted of resources. However, as the ecosystem matures and more plants and organisms establish themselves, the competition for nutrients increases, leading to a decrease in overall nutrient availability.
- On the other hand, as more plants grow and the ecosystem becomes more complex, the total biomass in the ecosystem increases due to the accumulation of organic matter.

Reason: NCP (Net community productivity) remains the same during succession.
- This statement is false. Net community productivity (NCP) refers to the difference between the rate of carbon uptake through photosynthesis and the rate of carbon loss through respiration in an ecosystem. During succession, NCP can vary depending on factors such as species composition, environmental conditions, and disturbance events.
- As the ecosystem undergoes changes during succession, the NCP may increase or decrease based on the balance between carbon uptake and loss.

Therefore, in this case:
- The Assertion is a true statement as nutrient availability does decrease while biomass level increases during succession.
- The Reason is a false statement as NCP does not necessarily remain the same during succession.

Therefore, the correct answer is option 'C' - If the Assertion is a true statement, but Reason is false.
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A: During succession, nutrient availability decreases while biomass level increases.R: NCP (Net community productivity) remains the same during succession.a)If both Assertion & Reason are true, and the reason is the correct explanation of the assertion.b)If both Assertion & Reason are true, but the reason is not the correct explanation of the assertion.c)If the Assertion is a true statement, but Reason is false.d)If both Assertion and Reason are false statements.Correct answer is option 'D'. Can you explain this answer?
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A: During succession, nutrient availability decreases while biomass level increases.R: NCP (Net community productivity) remains the same during succession.a)If both Assertion & Reason are true, and the reason is the correct explanation of the assertion.b)If both Assertion & Reason are true, but the reason is not the correct explanation of the assertion.c)If the Assertion is a true statement, but Reason is false.d)If both Assertion and Reason are false statements.Correct answer is option 'D'. Can you explain this answer? for NEET 2024 is part of NEET preparation. The Question and answers have been prepared according to the NEET exam syllabus. Information about A: During succession, nutrient availability decreases while biomass level increases.R: NCP (Net community productivity) remains the same during succession.a)If both Assertion & Reason are true, and the reason is the correct explanation of the assertion.b)If both Assertion & Reason are true, but the reason is not the correct explanation of the assertion.c)If the Assertion is a true statement, but Reason is false.d)If both Assertion and Reason are false statements.Correct answer is option 'D'. Can you explain this answer? covers all topics & solutions for NEET 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for A: During succession, nutrient availability decreases while biomass level increases.R: NCP (Net community productivity) remains the same during succession.a)If both Assertion & Reason are true, and the reason is the correct explanation of the assertion.b)If both Assertion & Reason are true, but the reason is not the correct explanation of the assertion.c)If the Assertion is a true statement, but Reason is false.d)If both Assertion and Reason are false statements.Correct answer is option 'D'. Can you explain this answer?.
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