Who first
discovered bacteria?
a) Leeuwenhoek
b) Ehrenberg
c) L. Pauster
d) R. Koch
Who first gave the name to bacteria?
a) Whittaker
b) Ehrenberg
c) L. Pauster
d) R. Koch
The evolutionary relationship among various organisms is called…….
a) phylogeny
b) taxanomy
c) systematic
d) histology
Which of the following is called “molecular clock” for reconstructing phylogenies?
a) tRNA
b) mRNA
c) rRNA
d) proteins
Archaea share certain characters with…
a) bacteria
b) eukaryotes
c) both a and b
d) none
Which of the following is true about archaea?
a) their cell wall is made of peptidoglycane
b) perform methanogenesis
c) perform photosynthesis only
d) all of these