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NEET 2017 · BiologyPrevious Year Question

Which ecosystem has the maximum biomass?

Answer: (A) Forest ecosystem. Answer: (A) Among the options, a forest ecosystem has the maximum biomass (standing crop) because large woody producers accumulate huge amounts of living material per unit area.

  1. A.Forest ecosystem✓
  2. B.Grassland ecosystem
  3. C.Pond ecosystem
  4. D.Lake ecosystem

Correct Answer

(A) Forest ecosystem

Solution & Explanation

Answer: (A) Among the options, a forest ecosystem has the maximum biomass (standing crop) because large woody producers accumulate huge amounts of living material per unit area. NCERT notes each trophic level has a certain mass of living material called the standing crop and that pyramids of biomass decrease sharply at higher levels; forests, with massive producer biomass, hold the greatest standing crop versus grassland, pond or lake. Hence (a) forest ecosystem. NCERT Reference: Ch 12, p.211 — “certain mass of living material at a particular”

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