NEET Biology question

Not in NEET syllabus

The medium used most commonly in hydroponics is

(A)Loam and clay
(B)Only clay
(C)Sand and soil
(D)Perlite and vermiculiteCorrect

Answer: (D)

Solution

Perlite (superheated, expanded volcanic glass) and vermiculite (a similarly superheated, expanded mineral with good water "wicking" ability) are lightweight, inert, well-aerated media

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Question ID VK-112812