Multiple choice

Chlorosis occurs due to the

  1. deficiency of light

  2. deficiency of Mg and Fe

  3. deficiency of pigments in the soil

  4. increased illumination
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Chlorosis is the yellowing of leaves due to a lack of chlorophyll. Magnesium is a central atom in the chlorophyll molecule, and iron is required for its synthesis, so their deficiency leads to chlorosis.

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