Consider the following four statements (A-D) and select the option which includes all the correct ones only.
(1) Single cell Spirulina can produce large quantities of food rich in protein, minerals, vitamins etc.
(2) Body weight-wise the micro-organism Methylophilus methylotrophus may be a

Question

Consider the following four statements (A-D) and select the option which includes all the correct ones only.
(1) Single cell Spirulina can produce large quantities of food rich in protein, minerals, vitamins etc.
(2) Body weight-wise the micro-organism Methylophilus methylotrophus may be able to produce several times more proteins than the cows per day.
(3) Common button mushrooms are a very rich source of vitamin C.
(4) A rice variety has been developed which is very rich in calcium.

Accepted Answer

Statements (1), (2). Statements (1) and (2) are correct because Spirulina is a protein-rich single-cell organism used as food, and Methylophilus methylotrophus can produce protein very efficiently. The mushroom and rice statements are incorrect: button mushrooms are not especially rich in vitamin C, and the famous engineered rice is rich in vitamin A precursor, not calcium.

Solution

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