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Q. No.| Assertion (A): | Spirulina is a microbe that can be used for reducing the environmental pollution. |
| Reason (R): | Spirulina is a rich source of protein, carbohydrates, fats, minerals, and vitamins. |
| 1. | Both (A) and (R) are correct and (R) is the correct explanation of (A). |
| 2. | Both (A) and (R) are correct but (R) is not the correct explanation of (A). |
| 3. | (A) is correct but (R) is not correct. |
| 4. | (A) is not correct but (R) is correct. |
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Microorganism used as source of single cell protein have many advantages over the traditional methods for producing proteins for food which includes all the following except:
1. Microorganisms have a much higher growth rate
2. Microorganisms usually have a much higher protein content of 30–70% in the dry mass than vegetables or grains.
3. Some microorganisms can build vitamins and nutrients which eukaryotic organisms such as plants cannot produce.
4. Fast growing microorganisms such as bacteria and yeast have a high concentration of nucleic acid, notably RNA.
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 Methylophilusmethylotrophus 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.
Options :
1. Statements (c), (d)
2. Statements (a), (c) and (d)
3. Statements (b), (c) and (d)
4. Statements (a), (b)
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