Given below are two statements: one is labelled as Assertion (A) and the other is labelled as Reason (R).

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.

In the light of the above statements, choose the most appropriate answer from the options given below :
 

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.

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.

Surface sterilization of explants and their transfer to culture media must be done under:
1. Aseptic conditions
2. Antiseptic conditions
3. Aerobic conditions
4. Anaerobic conditions

Pasteurization of milk can increase the level of vitamin:
1. B₁₂
2. C
3. E
4. A

India is the largest producer of milk in the world but is not one of the top producers in:
1. Cow milk
2. Sheep milk
3. Goat milk
4. Buffalo milk

All the varieties of sugarcane being cultivated today are:
1. androgenic haploids
2. interspecific hybrids
3. pureline inbred stocks
4. transgenics

Consider the given two statements:
I. Pasteurization of milk is a sterilization process.
II. It kills bacterial spores.

1. Both I and II are correct and II explains I
2. Both I and II are correct but II does not explain I
3. I is correct and II is incorrect
4. Both I and II are incorrect

Consider the given two statements:
I. Colostrum, produced by cow after parturition, is not usually commercially sold, but is extremely important for early calf nutrition.
II. It conveys passive immunity to the calf before its immune system is fully developed.

1. Both I and II are correct and II explains I
2. Both I and are correct but II does not explain I
3. I is correct and II is incorrect
4. Both I and II are incorrect

Consider the given two statements:
I. The presence of alkaline phosphatase in the cow milk is an ideal indicator of pasteurization efficacy.
II. Higher the enzyme level more efficient was the pasteurization.

1. Both I and II are correct and II explains I
2. Both I and II are correct but II does not explain I
3. I is correct and II is incorrect
4. Both I and II are incorrect

Which of the following causes epidemic dropsy in humans?
1. Eichhornia crassipes
2. Parthenium hysterophorus
3. Lantana camara
4. Argemone mexicana