Spirulina is SCP rich in protein, vitamins & minerals & rice variety rich in iron content. 250 grambiomass of Methylophilus methylotrophus produce 25 tonn protein/day while cow of 250 Kg . produces only 200 gm. protein/day.
Consider the following four statements (a-d) and select the option which includes all the correct ones only. (a) Single cell Spirulina can produce large quantities of food rich in protein, minerals, vitamins etc. (b) Body weight-wise the microorganism Methylophilus methylotrophus may be able to produce several times more proteins than the cows per day (c) Common button mushrooms are a very rich source of vitamin C (d) A rice variety has been developed which is very rich in calcium.
Held on 30 Apr 2012 · Verified 9 Jul 2026.
Statements (c), (d)
Statements (a), (c) and (d)
Statements (b), (c) and (d)
Statements (a), (b)
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