How many prokaryotes have been assigned scientific names?
a) 4300
b) 5300
c) 6300
d) 93000
Prokaryotes in their early life on earth diverged into ……main lines.
a) two
b) three
c) four
d) five
Explanation: 1. Archaea and 2. Bacteria
Archaea:
Which of the following difference/s is/are found between bacteria and archaea?
a) have different cell membrane
b) have different cell wall
c) different rRNA in archaea
d) all of these
Archaea live in……..
a) extreme conditions
b) moderate conditions
c) both a and b
d) none of them
Those archaea inhabiting extreme condition are called…….
a) extremophobic
b) extremophile
c) methanogens
d) all of these
Explanation: lovers of extreme conditions
