NEET Biology question
Not in NEET syllabus
Match the element with its associated function/role and choose the correct option from those given below.
List-I: (A) Boron (B) Manganese (C) Molybdenum (D) Zinc (E) Iron
List-II: (i) Splitting of H2O to liberate O2 during photosynthesis (ii) Needed for synthesis of auxins (iii) Component of nitrogenase (iv) Pollen germination (v) Component of ferredoxin
Answer: (B)
Solution
Boron is required for pollen germination and pollen-tube growth, so A matches (iv). Manganese activates the water-splitting (oxygen-evolving) complex of PSII, so B matches (i). Molybdenum is a cofactor of nitrogenase (and nitrate reductase), so C matches
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