Which of the following organelle/s is/are absent in prokaryotic cells?
a) Golgi apparatus and chloroplasts
b) mitochondria
c) endoplasmic reticulum
d) all of these
Explanation: prokaryotes have smaller ribosomes (70S)
The cell wall of prokaryotes is made up of ………
a) cellulose
b) chitin
c) murein
d) lipid bilayer
Explanation: it is polysaccharides chain bonded with amino acids also called peptidoglycane
Which of the following are classified as prokaryotes?
a) bacteria
b) viruses
c) cynobacteria
d) both a and c
Explanation: cynobacteria are also called blue green algae
Which of the following is the common method of reproduction in bacteria?
a) binary fission
b) budding
c) multiple fission
d) both a and c
Explanation: sometimes undergo conjugation (sexual reproduction)
EXERCISE:
Where the phospholipids are present in the cell?
a) in all biomembranes
b) in all ribosomes
c) in all DNA
d) in all cell walls
