Select the correct statement regarding lactobacillus acidophilus.
A. They produce acids the 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 .

Assertion: Lactobacillus and LAB grow in milk and convert it to curd. Reason: In our stomach, the LAB plays very beneficial role in checking disease causing microbes.

Study the following statements regarding lactic acid bacteria (LAB) which are used to convert milk into curd. (i) They produce acids that coagulate and partially digest the milk proteins. (ii) A small amount of curd added to the fresh milk as an inoculum contains millions of LAB , which at suitable temperature, multiply and convert milk into curd. (iii) Conversion of milk into curd improves its nutritional quality by increasing vitamin B_(12) . (v) LAB may result in acidity in the stomach of human beings. Which of the given statements are correct ?

Study the following statements regarding lactic acid bacteria (LAB) which are used to convert milk into curd. (i) They produce acids that coagulate and partially digest the milk proteins. (ii) A small amount of curd added to the fresh milk as an inoculum contains millions of LAB , which at suitable temperature, multiply and convert milk into curd. (iii) Conversion of milk into curd improves its nutritional quality by increasing vitamin B_(12) . (v) LAB may result in acidity in the stomach of human beings. Which of the given statements are correct ?

Study the following statements regarding lactic acid bacteria (LAB) which are used to convert milk into curd. (i) They produce acids that coagulate and partially digest the milk proteins. (ii) A small amount of curd added to the fresh milk as an inoculum contains millions of LAB , which at suitable temperature, multiply and convert milk into curd. (iii) Conversion of milk into curd improves its nutritional quality by increasing vitamin B_(12) . (v) LAB may result in acidity in the stomach of human beings. Which of the given statements are correct ?

Study the following statements regarding lactic acid bacteria (LAB) which are used to convert milk into curd. (i) They produce acids that coagulate and partially digest the milk proteins. (ii) A small amount of curd added to the fresh milk as an inoculum contains millions of LAB , which at suitable temperature, multiply and convert milk into curd. (iii) Conversion of milk into curd improves its nutritional quality by increasing vitamin B_(12) . (v) LAB may result in acidity in the stomach of human beings. Which of the given statements are correct ?

How many of the following statements are INCORRECT ? i. Microbes comprise of diverse organism like protozoa, bacteria, fungi and microscopic plants, viruses , viroids and also prions that are proteinaceoius infectious agents. ii. Microbes like bacteria, viruses and many fungi can be grown on nutritive media to form colonies. iii. In our stomach, the LAB plays a very beneficial role in checking disease - causing microbes. iv. 'Toddy' , a traditional drink of some parts of southern India is made by fermenting sap from sugarcane.

How many of the following statements are INCORRECT ? i. Microbes comprise of diverse organism like protozoa, bacteria, fungi and microscopic plants, viruses , viroids and also prions that are proteinaceoius infectious agents. ii. Microbes like bacteria, viruses and many fungi can be grown on nutritive media to form colonies. iii. In our stomach, the LAB plays a very beneficial role in checking disease - causing microbes. iv. 'Toddy' , a traditional drink of some parts of southern India is made by fermenting sap from sugarcane.

Assertion : Microorganisms such as lactobacillus and others commonly called lactic acid bacteria (LAB) grow in milk and convert it to curd. Reason : During growth, these bacteria produce acids that coagulate and partially digest the milk proteins (A) If both assertion and reason are true and reason is the correct explanation of assertion. (B) If both assertion and reason are true but reason is not the correct explanation of assertion. (C) If assertion is true but reason is false. (D) If both assertion and reason are false.

Read the following four satements (A -D) about certain mistakes in two of them : (A) Dough, which is used for making foods such as dosa and idli is fermented by fungi and algae (B) Toddy a traditional drink of southern India is made by fermenting sap from palms. (C ) Large holes in 'Swiss cheese' are due to production of large amount of methane by Propionibacterium sharmanii (D) In our stomatch, lactic acid bacteria play very beneficial role in checking disease -causing microbes Which of the two statements are having mistakes?