- A Dark green leaves with thickened cuticle
- B Yellow leaves due to lack of chlorophyll
- C Purple/red leaves from anthocyanin buildup
- D Brown, dry leaves from tissue necrosis
Correct answer: B. Yellow leaves due to lack of chlorophyll
Explanation: Chlorosis is yellowing of leaves due to reduced chlorophyll production. It is caused by deficiency of nitrogen, magnesium, iron, sulfur, or manganese. It indicates mineral deficiency.
Concept context
Essential mineral elements, their roles and deficiency symptoms. Nitrogen fixation and soil nutrition.