Tag: components of food

Questions Related to components of food

____ and ____ are unicellular algae, rich in proteins, that are used as food supplements even by space travellers. 

  1. Chlorella, Spirulina

  2. Gelidium, Gracilaria

  3. Porphyra, Spirogyra

  4. Laminaria, Spirogyra


Correct Option: A
Explanation:

Chlorella (Green alga), as food supplement is rich in protein and carbohydrates. It yields about 30% proteins, 15% lipids, 30% carbohydrates and 5% ash. Spirulina platensis (blue-green alga) is one of the richest sources of protein and vitamin $B _{2}$. In long range space exploration, scientist have turned to Chlorella and Spirulina to use them as portable oxygen generators and food sources.