Consider the following four statements (a–d) and select the correct ones:(a) Single cell Spirulina can produce large quantities of food rich in protein.(b) Methylophilus methylotrophus may produce several times more proteins than 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.
- AStatements (a), (b)
- BStatements (c), (d)
- CStatements (a), (c) and (d)
- DStatements (b), (c) and (d)