Cocci

Q. Which of the following are unicellular organisms?

1. 
2. 
3. 
4. 

Q.

Paheli dug two pits, A and B, in her garden. In-pit A, she put a polythene bag packed with some agricultural waste. In pit B, she dumped the same kind of a waste but without packing it in a polythene bag. She then covered both the pits with soil. What did she observe after a month?

1. Waste in pit A degraded faster than that in pit B

2. Waste in pit B degraded faster than that in pit A.

3. Waste in both pits degraded almost equally.

4. Waste in both pits did not degrade at all.

Q.

Who is the father of microbiology?

Q. Fermentation takes place aerobically.

1. False
2. True

Q. ______ is used for the production of alcohol and wine.

1. Algae
2. Ant
3. Mosquito
4. Yeast

Q. Who among the following scientists discovered fermentation?

1. David Warner
2. Louis Pasteur
3. Alexander Fleming
4. Edward Jenner

Q. ___ are used by the immune system to fight and kill the disease causing pathogens.

1. Antidote
2. Anesthesia
3. Antibodies
4. Antigens