An alga, very rich in protein, is (a) Chlorella (b) Nostoc (c) Spirogyra (d) Ulothrix
Option A Chlorella is a unicellular green alga that contains high percentage of proteins, lipids and most of the known vitamins (carotene, riboflavin, vitamin B 12 , choline etc) and grows more quickly than Porphyra, so scientists are doing research to obtain food from it. The nutritional value is comparable to the mixture of soybeans and spinach.
