1. Which of the
following is not a domain in the three-domain classification?
A) Eukarya
B) Bacteria
C) Cyanobacteria
D) Archaea
2. Teichoic acids are polysaccharides of glycerol phosphate typically found in
A) Cell walls of
gram-positive bacteria
B) Cell walls of
gram-negative bacteria
C) Cell membrane of
gram-negative bacteria
D) Cell membrane of
gram-negative bacteria
3. Deinococcus radiodurans an extremophilic bacterium is able to survive
even exposure to massive radiation?
A) Because it that a
thick shell which acts as a shield from the radiation
B) Because it has unique
repair mechanisms
C) Because its cell wall
contains radioactive neutralizing elements
D) Because it has many
copies of genes encoding DNA repair
4. What type of
replication requires possesses a break in the nucleotide strand to get started
A) Theta
replication
B) Rolling cycle
replication
C) Linear eukaryotic
replication
D) All of these
5. Bacterial cells that lack chromosomes are called
A) Microcells
B) Minicells
C) Maxicells
D) Midicells
6. Which bacteria cause food poisoning
A) Escherichia
B) Penicillium
C) Salmonella
D) Candida
7. Antimicrobial
proteins that inhibit the synthesis of outer membrane proteins
of gram-negative bacteria
A) Dystrophin
B) Attacins
C) Phytoanticipins
D) Fungistatic
8. Which of the
following is not a method of genetic recombination in bacteria?
A) Translocation
B) Transformation
C) Conjugation
D) Transduction
9. The distance between
bacterial genes, as determined from interrupted conjugation experiments are measured in units of
A) Recombination
B) Micrometer
C) Minutes
D) Percentage of
genophgore
10. Which process of DNA
transfer in bacteria require a virus
A) Conjugation
B) Transduction
C) Transformation
D) All of these
11. What components of
the bacterial cell wall are attacked by Penicillin?
A) Peptidoglycan
B) Teichoic acid
C) Teichuronic acid
D)
Lipopolysaccharide
12. Bacterial cell divides once in every minute. It takes I hour to fill a
Petri plate. How much time is taken to fill half of the plate?
A) 59 minutes
B) 49 minutes
C) 30 minutes
D) 29 minutes
Learn more: Quiz on Bacteriophage
Answers
1. C) Cyanobacteria
2. A) Cell walls of
gram-positive bacteria (Gram Positive and Gram Negative Bacteria Video)
3. D) Because it
has many copies of genes encoding DNA repair
4. B) Rolling cycle
replication
5. B) Minicells
6. C) Salmonella
7. B) Attacins
8. A)
Translocation
9. C) Minutes
10. B) Transduction
11. A)
Peptidoglycan
12.A) 59 minutes
