Microbes in Hum...

Third generation pesticides are

Water is often treated with chlorine to

Study the following statements regarding lactic acid bacteria (LAB) which are used to convert milk into curd.
(i) They produce adds 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 $$B_{12}$$.
(iv) LAB may result in acidity in the stomach of human beings.
Which of the given statements are correct? 

Which of the following food items is produced by the fermenting activity of microbes? 
A. Milk
B. Dosa 
C. Toddy
D. Cheese 

Which of the following antibiotics is not correctly matched with the source from which it is obtained? 

Select the correct option:

Bt toxin protein crystals present in bacterium Bacillus thuringiensis, do not kill the bacteria themselves because

Vitamin $$B_{12}$$ is an important vitamin required for normal human body functions. Is is produced only by a commensal bacteria present in our intestine and our body absorbs vitamin $$B_{12}$$ through a glycoprotein called "Intrinsic factor". A disease called the "Blind Loop Syndrome" (BLS) occurs due to over proliferation of this bacterial flora affecting the normal process of digestion and absorption and also leads to vitamin $$B_{12}$$ deficiency. The appropriate treatment regime for BLS would involve

Monascus purpureus is a yeast commercially used in the production of 

A nitrogen fixing microbe associated with the fern Azolla in rice fields is: