Consider the following four statements (A-D) and select

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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. Options:

1. Statements (3), (4)
2. Statements (1), (3) and (4)
3. Statements (2), (3) and (4)
4. Statements (1), (2)

Correct Option: D

Spirulina is rich in protein, vitamins & minerals. 250 gram biomass of Methylophilus methylotrophus produces 25 tonne protein/day while cow of 250 Kg produces only 200 gm. protein/day. Common button mushrooms are a very rich source of vitamin D. A rice variety has been developed which is very rich in iron content.