NEET Biology question
Not in NEET syllabus
Match the elements in Column I with the phrases in Column II and select the combination that correctly matches all four pairs.
List-I: (A) Magnesium (B) Sulphur (C) Iodine (D) Manganese
List-II: (1) Found in some amino acids (2) Not important for plants (3) Structural component of chlorophyll (4) Required for enzyme activity
Solution
Magnesium is the central atom of the chlorophyll porphyrin ring, so A matches (3). Sulphur is a constituent of the amino acids cysteine and methionine, so B matches (1). Iodine is not among the 17 elements established as essential for plant growth, so C matches (2). Manganese does not form part of any single
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