NEET Biology question

**Assertion:** Net primary productivity is gross primary productivity minus respiration. **Reason:** Secondary productivity is produced by heterotrophs. [NEET 2022]

(A)Both assertion and reason are true and reason is the correct explanation of assertion
(B)Both assertion and reason are true but reason is not the correct explanation of assertionCorrect
(C)Assertion is true but reason is false
(D)Both assertion and reason are false

Answer: (B)

Solution

Both statements are independently correct — NPP is indeed GPP minus respiration, and secondary productivity is indeed produced

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Question ID VK-127044