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UPSC Combined Geo-Scientist

Chemist

  • 2 objective papers
  • 120 questions each
  • 2 h per paper
  • 100 + 300 marks

Prelims Paper I covers general studies.

UPSC Combined Geo-Scientist, Prelims · 2024 · Paper I, General Studies · Q14 of 120

Geo-Scientist Prelims 2024 General Studies Q14: After few days of sowing of maize seeds in the soil, irrespective…

QuestionPlant physiology / tropisms

After few days of sowing of maize seeds in the soil, irrespective of their position, the radicle always grows downwards, whereas the coleoptile always grows upwards. This phenomenon is known as :

  1. (a) Phototropism
  2. (b) Hydrotropism
  3. (c) Chemotropism
  4. (d) Geotropism

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