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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 · 2022 · Paper I, General Studies · Q34 of 120

Geo-Scientist Prelims 2022 General Studies Q34: Which one of the following sets of elements is essential for the…

QuestionHuman nutrition / minerals

Which one of the following sets of elements is essential for the production of red blood cells in human body?

  1. (a) Arsenic and zinc only
  2. (b) Iron and zinc only
  3. (c) Arsenic and iron only
  4. (d) Arsenic, iron, lead and zinc

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