Single Choice Type Question I. Elements like carbon, hydrogen and oxygen are mainly obtained fro...
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0Single Choice Type Question
I. Elements like carbon, hydrogen and oxygen are mainly obtained from \( \mathrm{CO}_{2} \) and \( \mathrm{H}_{2} \mathrm{O} \).
II. Deficiency symptoms of nitrogen \& magnesium are visible first in the senescent leaves.
III. Though the requirement of micronutrients is always in low amounts so a moderate increase has no effect on the plant body.
IV. Studies to find out the mechanisms of absorption of elements by plants have been carried out in groups of cells, tissues or organs.
V. Mineral salts are translocated or pulled up through the transpirational pull.
How many options are correct;
(1) 3
(2) 2
(3) 1
(4) All are correct
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