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NEET · Biology · STD 12 - 12. ecosystem

દ્વિતીય ઉત્પાદકતા એટલે, આના દ્વારા, નવા બનતા સેન્દ્રિય દ્રવ્યના ઉત્પાદનનો દર -

  1. A ઉપભોક્તા
  2. B વિઘટક
  3. C ઉત્પાદક
  4. D પરોપજીવી
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Answer & Solution

Correct Answer

(A) ઉપભોક્તા

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Detailed explanation

(a) :The rate of photosynthesis of organic matter by the consumers is known as secondary productivity. It depends upon the loss while transferring energy containing organic matter from the previous trophic level plus the consumption due to respiration and predation. Therefore, net productivity decreases with each trophic level.
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