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

Which group of Archaebacteria is found in extremely salty areas?

Select the incorrect statement.

In the five-kingdom classification,which kingdom incorporates prokaryotes?

$......$ bacteria oxidise various inorganic substances such as nitrites,ammonia and use the released energy for $\text{ATP}$ production $:-$

Under the optimum conditions of temperature and nutrition, most bacteria divide at an interval of: