NEET Biology question

BiologyMineral NutritionNEET

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

Answer: (B)

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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Question ID VK-112714