Which of the following algae are rich in proteins and are used as food supplements by space travellers? a) Spirulina b) Spirogyra c) Chlorella d) Funaria
- A.b and c
- B.a and b
- C.a and c
- D.b and d
Show answer
Both are tiny algae grown in tanks and sold as protein rich food supplements, and both have been studied as food for astronauts.
Read the full explanation →