Assertion (A) : The Prokaryotes which have the ability to grow in extreme condition.
Reason (R) vents, hot springs and polar ice caps, hence are called extremophites. :
Prokaryotes can grow in volcano
They are capable of synthesizing their food without sunlight and oxygen by utilizing hydrogen sulphide and other chemicals from the volconic vents.

Options

A. Both (A) and (R) are wrong
B. (A) is correct and (R) explains (A)
C. (A) is wrong and (R) is correct
D. (R) is wrong and (A) is correct

Answer

A, B, D