1 |
A sequence of cocci is termed as. |
Diplococcus
saurian
Streptococci
Tetrad
|
2 |
Cell wall is absent in |
E -coli
Mycoplasma
Vibrio
Sprocket
|
3 |
Plasmid is |
Essential for bacterial growth and metabolism
Drug resistant having disease and insect resistant gene
Essential for bacterial growth only
All of above
|
4 |
Bacterial membrane also contain enzyme for |
Respiration
Photosynthesis
Protein synthesis
None of the above
|
5 |
Bacterial membrane differs from eukaryotic membrane in |
Lacking protein
Lacking lipids
Lacking polysaccharides
Lacking sterol i.e. cholesterol
|
6 |
Conjugation is facilitated by |
Capsule
Pili
Flagella
Both pili and flagella
|
7 |
When flagella surround the whole cell, the condition is called |
Peritrichous
Atrichous
Amphitrichous
None of above
|
8 |
Gram negaive cell wall has |
Only lipids
Only protein
More lipids and less protein
Less lipids and more protein
|
9 |
One of the following has flagella rarely |
Diplobacilli
Spiral
Cocci
All of above
|
10 |
Greater pathogenicity to bacteria and protection against phagocytosis is provided by |
Capsule
Slime
Cell wall
Mesosomes
|
11 |
Which one of following class of bacteria has the smallest size |
Bacillus subtilis
Mycoplasma
E-coli
Straptococci
|
12 |
Pasteur's main achievements are the development of vaccines for diseases |
Cholera, rabies only
Anthrax, rabies only
Anthrax, fowl cholera and rabies
None of the above
|
13 |
Germ theory of disease was formulated by |
Antone Van Leeuwenhoek
Pasteur
Robert Koch
none of above
|
14 |
Bacterial endospores function in |
Reproduction
Protein synthesis
Survival
Stronge
|
15 |
Mesosomes are internal extensions of the |
Cell wall
Cell membrane
Chromatin body
Capsule
|
16 |
Which of the following is present in both gram-positive and gram-negative cell walls |
An outer membrane
Peptidoglycan
Techoic acid
Lipopolysaccharides
|
17 |
Which of the following is a primary bacterial cell wall function |
Transport
Support
Motility
Adhesion
|