Complete the following analogy:
Swiss cheese: Propionibacterium shermanii : Bread: _____.
Important Questions on Microbes in Human Welfare
Read the following statements, and state true (T) or false (F).
A. In the stomach, lactic acid bacteria plays a very beneficial role in checking for disease–causing microbes.
B. Leavening is swelling of dough during bread making.
C. The dough that is used for making foods such as dosa and idli is fermented by yeast.
D. Microbes are also used to ferment fish, soybean, and bamboo shoots to make food.
Match Column I with Column II and select the correct answer from the given codes.
| Column I | Column II | ||
|---|---|---|---|
| The stage in which physical treatment of sewage is done | Anaerobic digestion activated sludge and production of biogas | ||
| The stage in which biological treatment of sewage is done | Activated sludge | ||
| Name of the sediment in primary treatment | Aeration tanks | ||
| It is carried to aeration tanks from primary settling | Primary effluent | ||
| Name of the sediment in secondary treatment | Primary sludge | ||
| Site of flocs growth | Secondary treatment | ||
| Function of sludge digester | Primary treatment |
Select the correct statement regarding Lactobacillus acidophilus.
A. They produce acids, they coagulate and partially digest milk fat.
B. They require a suitable temperature and medium for their multiplication.
C. They play a beneficial role by checking disease-causing microbes in our stomach.
D. They improve nutritional quality by increasing the amount of thiamine.
Read the following statements. Identify the correct option with respect to lactic acid bacteria.
A. They produce acids that coagulate and partially digest milk fat.
B. They require suitable temperature for their multiplication.
C. They play a beneficial role by checking disease-causing microbes in our stomach.
D. They improve the nutritional quality by increasing the amount of riboflavin.
What is commercially produced using Monascus purpureus yeast?
