NEET Biology question

Not in NEET syllabus

Which of the following is considered a "partial" mineral element in plants (obtained from both air and soil)?

(A)Potassium
(B)Phosphorus
(C)NitrogenCorrect
(D)Iron

Answer: (C)

Solution

Nitrogen is unusual among the essential elements in that it is treated as a "partial" mineral element — it can be obtained from the soil (as nitrate/ammonium, the mineral route) but its ultimate

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Question ID VK-112852