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Question

Yellowing of tea leaf takes place by the deficiency of

A
Chlorine
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B
Potassium
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C
Oxygen
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D
Sulphur
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Solution

The correct options are
A Potassium
B Sulphur
Sulphur deficiency will lead to the deficiency of proteins because sulphur-containing amino acids like methionine, cysteine etc. cannot be synthesized. This will lead to the yellowing of leaves in plants growing in deficiency of sulphur.
Similarly, the deficiency of potassium also causes the yellowing of leaves. Potassium is involved in various processes in the leaves such as the movement of water, nutrients, carbohydrates in plant tissue. It's involved with enzyme activation within the plant, which affects protein, starch and adenosine triphosphate (ATP) production.

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