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  9. Q83

UKPSC PCS 2025 · Question 83 of 150

The rate at which solar energy is stored in green plants to be used as food is called:

Environment

  1. APrimary productivityCorrect
  2. BSecondary productivity
  3. CTertiary productivity
  4. DRespiration

Answer: A. Primary productivity

Explanation

Primary productivity is the rate at which solar energy is captured by green plants as biomass.

Source: UKPSC Combined Upper PCS Prelims 2025 GS (Paper-I) held 29-Jun-2025, Series-A (SDJ), via teachingninja.in; answers from UKPSC provisional answer key Series A (prepp.in)

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