question_answer 11)

  Which pigment acts directly to convert light energy to chemical energy? (a) Chlorophyll-a               (b) Chlorophyll-h             (c) Xanthophyll                 (d) Carotenoid

Answer:

                  (a) Chlorophyll-a acts directly to convert light energy to chemical energy. The other pigments chlorophyll-o, xanthophyll and carotenoids are accessory pigments associated with the main pigment, i.e., chlorophyll-a to harvest the light energy.