Mineral Nutrition Question 14

14. Manganese is required in:

[2009]

(a) plant cell wall formation

(b) photolysis of water during photosynthesis

(c) chlorophyll synthesis

(d) nucleic acid synthesis

Show Answer

Answer : b

Hints & Solution

(b) Manganese is essential for many plant functions. Some of them are:

  • The assimilation of carbon dioxide in photosynthesis.
  • It is involved in the Hill Reaction where water is split during photosynthesis.
  • It aids in the synthesis of chlorophyll and in nitrate assimilation.
  • Manganese activates fat forming enzymes.
  • It functions in the formation of riboflavin, ascorbic acid, and carotene.
  • It functions in electron transport during photosynthesis.