The cells of the bacterium $Staphylococcus$ remain arranged in the form of:

Which of the following options shows the characteristics of $Mycoplasma$?

Which of the following are included in the kingdom $Monera$?

In the five-kingdom classification of Whittaker,kingdom $Monera$ is the group of microorganisms. Among the following statements,find out the incorrect statement for bacteria.

Which species of $Nostoc$ produces endospores?

Blue-green algae are included in ............ .