Which of the following pairs of alga and its characteristic reserve food or pigment is correctly matched?

Step-by-step solution

Fucus is a brown alga (Phaeophyceae) which contains the pigment fucoxanthin and stores food as mannitol and laminarin. Phycoerythrin is a characteristic pigment of red algae. Polysiphonia is a red alga (Rhodophyceae) which stores food as floridean starch, not mannitol. Dictyota is a brown alga (Phaeophyceae) and its characteristic pigment is fucoxanthin. This pair is correctly matched. Chara is a green alga (Chlorophyceae) which stores food as starch, whereas laminarin is the reserve food of brown algae. Answer: Di