Organisms that obtain energy by the oxidation of reduced inorganic compounds are called .....

Which of the following contains polyhedral bodies?

Which process involves the pili and fimbriae that arise from the surface of bacteria?

Which feature indicates that cyanobacteria resemble higher green plants?

The smallest living cells with a cell wall are:

Read the following statements:
$A.$ Mango is included under order 'Poales'.
$B.$ Chemosynthetic autotrophic bacteria oxidize various inorganic substances such as nitrite and ammonia and use the released energy for their $ATP$ production.
$C.$ Members of Ascomycetes are parasitic only.
$D.$ In one citric acid cycle,$2 NADH_2$ and $1 FADH_2$ are formed.
$E.$ Pyruvic acid $+ CoA + NAD^+ \xrightarrow{\text{Pyruvate dehydrogenase}} \text{Acetyl } CoA + CO_2 + NADH + H^+$.
Choose the correct option: