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Spirulina, grown on waste water and molasses as food rich in protein, is a:

ABakers yeast
BBlue-green alga
CEdible mushroom
DSoil bacterium
Answer & Solution
Correct answer: B. Blue-green alga
1. It is a source of Single Cell Protein. 2. Spirulina is a blue-green alga. 3. Methylophilus methylotrophus is a protein bacterium. _Source: syllabus Biology, Chapter 9, Strategies for Enhancement in Food Production._
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