Bacteria play many important roles in the biosphere and human society. One of these roles is to _________________

Which of the following oranisms perform photosynthesis?

A thin sheet of glass called a ________________________ is used to hold a small sample of the specimen.

__________________________ in human intestine causes amoebic dysentery.

Where does Plasmodium lives ?

Which of the following organisms are acellular?

Which kind of bacteria is called 'cocci'?

Which of the following are correct :

(a) Extremely tiny organisms known as microorganisms can be seen with the help of an instrument called microscope.

(b) A microscope is an instrument that magnifies smaller objects with the help of lenses. It is also known as a compound microscope.

Cause of leprosy is  ________________.

The number of lenses in compound light microscope is ____________________>