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GPP minus respiration losses equals:
ANPP
BPAR
CGPP
DSPP
Answer & Solution
Correct answer: A. NPP
1. Plants use part of their gross production in respiration.
2. What remains is available to heterotrophs.
3. GPP minus R gives net primary productivity.
4. So the answer is NPP.
_Source: NCERT Class 12 Biology, Ch 12 'Ecosystem'_
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