NEET Biology question

Not in NEET syllabus

Phosphorus and nitrogen ions generally get depleted in soil because they usually occur as

(A)Neutral ions
(B)Negatively charged ionsCorrect
(C)Positively charged ions
(D)Both positively and negatively charged, but as a disproportionate mixture

Answer: (B)

Solution

Phosphate and nitrate, the dominant soil forms of phosphorus and nitrogen respectively, are both negatively charged anions; since soil colloids (clay, humus) carry a net negative surface charge, they do

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Question ID VK-112939