NEET Biology question
Not in NEET syllabus
Match the mineral elements in Column I with their deficiency symptoms in Column II and select the combination that correctly matches all five pairs.
List-I: (A) Calcium (B) Potassium (C) Zinc (D) Iron (E) Phosphorus
List-II: (1) Chlorotic veins (2) Delayed germination of seeds (3) Necrosis of young leaves (4) Scorched leaf tips (5) Malformed leaves
Solution
Calcium is required for meristem function, so its deficiency causes necrosis of young (growing) tissue — A matches (3). Potassium deficiency is classically marked by marginal chlorosis progressing to "scorched" leaf tips — B matches (4). Zinc deficiency impairs auxin synthesis, giving small, curled, malformed leaves —
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