Question

Which is not an accessory pigment?

• A. Carotene
• B. Xanthophyll
• C. Chlorophyll a
• D. Chlorophyll b

Answer 1

The correct option is C Chlorophyll a

An accessory pigment is a light-absorbing compound that occurs in photosynthetic organisms, or repositories of energy, and works with chlorophyll a, which is the most important pigment that occurs in green plants. A pigment is a molecule that absorbs certain energy, or wavelengths, of light and reflects all others. Some accessory pigments are:-

• Chlorophyll B
  
• Carotenoids
  
• Xanthophylls
  
• Anthocyanins
  
• Phycobilins
  

So, the correct option is 'Option C'.