NEET Biology question
Not in NEET syllabus
Which of the following options shows the correct correlation between Column I, Column II and Column III?
List-I: (A) Calcium (B) Boron (C) Phosphorus (D) Chlorine (E) Manganese
List-II: (I) Required for ionic balance (II) Essential for constitution of nucleic acid (III) Required for absorption of calcium (IV) Required to activate respiratory enzyme (V) Required for synthesis of mitotic spindle
List-III: (i) Grey blot on leaves (ii) Fruit yield decreases (iii) Red blot on leaves (iv) Fruit size diminishes (v) Young root tip begins to die
Solution
Calcium is required for synthesis of the mitotic spindle, and its deficiency kills the meristematic young root tip, so A matches V and (v). Boron is required for the uptake and utilisation of Ca2+ and its deficiency reduces fruit size, so B matches III and (iv). Phosphorus is an essential constituent of nucleic acids,
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