Nucleoid is present in

$PPLO$ reproduce (multiply) by

Which of the following is a characteristic feature of the kingdom $Monera$?

Bacteria are found to be primitive organisms because they

Which of the following statements are incorrect for $Nostoc$ and $Anabaena$?
$(a)$. Possess tissue level organization
$(b)$. Have heterocysts
$(c)$. Can fix atmospheric hydrogen
$(d)$. They are eubacteria

The bacteria which oxidize various inorganic substances and use the released energy for the synthesis of food are called . . . . . . .