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UPSC Combined Geo-Scientist

Chemist

  • 3 descriptive papers
  • 200 marks each
  • 3 h per paper

Mains Paper II covers physical chemistry.

UPSC Combined Geo-Scientist, Mains · 2020 · Mains Paper II

Q10(b). Glowing of fireflies: chemical and physical steps

Question

Glowing of fireflies is a result of a combination of chemical and physical processes. Explain with reasons.

Model answer

The free solution for 2020 answers questions 1, 2, 3, 4, 5, 7, 8, 11, 12 and 13, the ones picked in its time plan. This part is not answered on the site yet. New answers are announced on Telegram.

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Coversbioluminescencechemiluminescenceluciferinfireflies

All parts of Question 10