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Geography Optional 300+ Score Pack · Model answer

How does the annual variations in temperature and precipitation influence plants growth, development and distribution? How do animals cope up with variations in climate?

  • UPSC 2026
  • Biogeography

Every species works between cardinal temperatures — a minimum, an optimum and a maximum — with photosynthesis slowing or stopping outside them; within the range, metabolic rate roughly doubles for each 10°C rise.

You are reading the opening of the model answer. The full answer is part of the Geography Optional 300+ Score Pack.

What the full answer covers

  • Temperature and plant growth
  • Temperature and plant development
  • Precipitation, and the controls on distribution
  • How animals cope
  • Judgement

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