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NDA 1 2024 GAT, question 66

Topic: Chemistry

Q66

Litmus, a well-known acid-base indicator, is derived from :

  1. (a) Fungi
  2. (b) LichensCorrect answer
  3. (c) Bacteria
  4. (d) Termite

Solution.

Answer: (b) Lichens

  1. Litmus is obtained from lichens, which are associations involving a fungus and a photosynthetic partner.
  2. The specific source is lichen rather than fungi alone.