MCQ on Prokaryotic Cell Structure
1. Which of the following is the typical feature of a prokaryotic
cell?
a) absence of DNA
b) absence
of nucleus
c) absence
of RNA
d) absence
of cell wall
2. The region in prokaryotic cell where double stranded single
circular DNA is present is called as
a) nucleoplasm
b) nuclues
c) nucleoid
d) protonucleus
3. Ribosomes in prokaryotic cells are
a) 80
S
b) 70
S
c) 60S
+ 40 S
d) 50S
+ 40 S
4. Extra chromosomal self replicating ds circular DNA molecules
present in bacteria are called
a) episomes
b) plasmid
c) plastid
d) extra
chromosomes
5. The membranous infolding which is thought to be the site of DNA
replication in bacteria is called
a) plasmids
b)
nucleoids
c)
mesosomes
d) pili
6. The cell wall of eubacteria is made up of
a)
cellulose
b) peptidoglycan
c) phospholipids
d) chitin
7. The extracellular appendage which helps in movement in bacteria
a) pili
b) flagella
c) flagellin
d)capsule
8. Extremely fine extracellular
structures involved in cell to cell contact is
a) flagella
b) cilia
c) pili
d)
spinae
9. In some bacteria, there is a slimy layer outside to cell wall
considered as virulence factor is called
a) capsule
b) plasmid
c) outer
layer
d) fimbriae
10. Which of the following are characteristics of prokaryotic
cells?
a) Absence
of nucleus
b) Absence
of cell organelles
c) Presence
of 70S ribosomes
d) All
of the above
Check your understanding: Labelled Diagram Quiz on Bacterial cell
Answers
1. b) absence of nucleus
2. c) nucleoid
3. b) 70 S
4. b) plasmid
5. c) mesosomes
6. b) peptidoglycan
7. b) flagella
8. c) pili
9. a) capsule
10. d)
All of the above
All is correct
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