NEET Biology question

Not in NEET syllabus

Of the four most abundant elements in most plants (C, H, O and N), which does a terrestrial green plant procure mainly through its roots from the soil?

(A)H and O
(B)H and NCorrect
(C)C and O
(D)O and N

Answer: (B)

Solution

Carbon is obtained mainly from atmospheric CO2 via the leaves, and oxygen is derived from both air and water, so neither is procured exclusively (or mainly) through roots. Hydrogen is obtained from soil

See the full step-by-step solution

Create a free account to read the complete working, and practise questions like this in a timed test.

Create a free account

Question ID VK-112962