A research student collected certain alga and found that its cells contained both chlorophyll a and chlorophyll d as well as phycoerythrin on the basis of his observation the students conclude that the alga belongs to

Correct Answer : A.

In green algae (chlorophyceae), the photosynthetic pigments are chlorophyll a and b, carotenes and xanthophylls. In phaeophyceae (brown algae), the pigments are chlorophyll a, c and carotenes and fucoxanth. Phodophyceae are red algae and contain the major pigment as chlorophyll a and phyeoerythrim. Phycoerythrin gives red colour to rhodophyceae.