Question

Due to ..............., yoghurt acquires sour taste.
A. proteins
B. lactic acid C. lactose D. acetic acid
During formation of yoghurt from milk. ...
A. pH decreases
B. proteins coagulate
C. bacteria are destroyed D. all of the above.
Which stain is used for observation of lactobacilli ?
A. Eosin. B. Safranine. C. Methylene blue. D. Iodine.
Which of the following is wrong statement about lactobacilli?
A. They are anaerobic.
B. They fix the nitrogen.
C. They are used for formation of fermented fodder for cattle.
D. They are used in production of cocoa.
5. During conversion of milk into yoghurt, ............. sugar is converted into acid.
A. maltose B. lactose
C. sucrose D. fructose​

Answer 1

Answer:

1.Due to lactic acid yoghurt acquires sour taste

2.Due to formation of yoghurt from milk ph decrease.

3. Iodine is used for observation of lactobacillus .

4. They are used in production of cocoa is wrong statement.

5. During conversion of milk into yoghurt lactose sugar is converted into acid .

Answer 2

Answer:

Here's your answer

1) Lactic acid

2) pH decreases

3) Methylene blue

4) They are used in production of cocoa

5) Lactose

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