Microbes in Food and Beverage

Q.

Discuss Briefly The role of microbes in Household products

Q. Assertion (A): Wine and bread are products of microbial activity.
Reason (R): Microbes ferment carbon compounds to produce alcohol and carbon dioxide.

1. Both A and R are false.
2. Only A is true.
3. A and R are true but R is not the correct explanation of A.
4. A and R are true and R is the correct explanation of A.

Q.

What if I boil the milk including some lactic acid bacteria or lactobacillus in it? Will it turn into curd? Why or Why not?

Q. Microorganisms help in the formation of curd from milk.

1. True
2. False

Q. Which among the following process is used in making bread, wine, idli batter and curd?

1. Filteration
2. Fermentation
3. Sedimentation
4. Photosynthesis

Q. Microorganisms generate _____ and heat during fermentation.

1. oxygen
2. sulphur dioxide
3. carbon dioxide
4. nitrogen

Q. What do you mean by fermentation? How is it useful to humans?

Q. Identify the process discovered by Louis Pasteur.

1. Decomposition
2. Antibiotic production
3. Fermentation
4. Vaccination

Q. Some microorganisms are very useful in our everyday life. They are used in preparation of medicines required to cure different diseases. Which are some useful products obtained from microorganisms?