Primary and secondary productivity

2026 1 question

1. 1 Ecosystem Medium
   Match List I with List II:

   Pick the matching item from Column II for each row.

   Column I

   • i. Productivity Match for i — a b c d
   • ii. Net primary productivity Match for ii — a b c d
   • iii. Gross primary productivity Match for iii — a b c d
   • iv. Secondary productivity Match for iv — a b c d

   Column II

   • a. Gross primary productivity minus respiration losses
   • b. Rate of formation of new organic matter by consumers
   • c. Rate of biomass production
   • d. Rate of production of organic matter during photosynthesis
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