Question

The ratio of chlorophyll a to chlorophyll b in flowering plants is

• A. 1 : 1
• B. 0.5 : 1.5
• C. 3 : 1
• D. 5 : 1

Answer 1

The correct option is C 3 : 1

• Chlorophyll a is the site of photo-chemical reaction. It absorbs light required for photosynthesis. It is the primary photosynthetic pigment.
• Chlorophyll b supplies more light energy to chlorophyll a. It is accessory pigment.
• Flowering plants have more chlorophyll a as compared to chlorophyll for survival.
• The ratio of chlorophyll a to b is generally 3:1.

Thus, the correct answer is option C.