Solved UPSC CDS/OTA Question
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Q · Nutrition and Nutrients Medium · 45s
Statement: Magnesium deficiency in plants may cause chlorosis. Which best explains this?
TopicNutrition and Nutrients
Question Typemultiple choice
DifficultyMedium
Marking+1 / −0.33
Test Duration30 min
Step-by-Step Solution
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Magnesium is a central atom in the chlorophyll molecule; its deficiency results in yellowing of leaves (chlorosis).
Final Answer: Option B — Magnesium is part of the chlorophyll molecule.