Multiple choice

Chlorosis occurs due to

  1. deficiency of light

  2. deficiency of Mg and Fe

  3. deficiency of pigments in the plant

  4. increased illumination

Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Chlorosis is the yellowing of leaf tissue due to a lack of chlorophyll, often caused by a deficiency of magnesium (a central component of chlorophyll) or iron (required for its synthesis).