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microbiology

Total questions: 21

Worksheet time: 11mins

Name
Class
Date
1.

Which of the following is a part of cell envelope

a)

Ribosome

b)

Capsule

2.

Gram positive and gram negative organisms are different from each other with respect to

a)

Cell envelope

b)

cytoplasm

3.

Which of the following is bacterial appendage

a)

pili

b)

Hair

4.

what is shape of streptococcus

a)

spiral

b)

spherical

5.

Shape of helicobacter pylori

a)

Bacilli

b)

Spiral

6.

Bacilli are

a)

Rod shape

b)

Round shape

7.

What do you understand by aerobic respiration

a)

Do not require oxygen for respiration

b)

Require oxygen for respiration

8.

Which of the following is true about obligate anerobes

a)

killed by normal oygen in atmosphere

b)

require oxygen for metabolism

9.

What is the term used for organism that is infected

a)

Host

b)

Pathogen

10.

What is true about opportunistic pathogen

a)

causes in healthy host

b)

cause disease in immunocompromised host

11.

Name the toxin which is part of bacteria

a)

Endotoxin

b)

Exotoxin

12.

What do you understand by the binary fission

a)

Increase in number of bacteria by multiplication

b)

decraese in size of bacteria

13.

Which phase refers to maturation of individual bacteria without division

a)

log phase

b)

lag phase

14.

What is the term used for the phase in which bacteria die and do not divide

a)

log phase

b)

death phase

15.

Optimum pH for bacterial growth is

a)

6.5 to 7

b)

6.9 to 9

16.

Bacteria are mostly

a)

Thermophiles

b)

Mesophiles

17.

Name the bacterial staining method in which on dye is used

a)

compound staining

b)

simple staining

18.

To identify mycobacterium, which stain is used

a)

Romanowsky staining

b)

Ziehl nielsen stain

19.

Crystal violet during gram staining of bacteria is retained in

a)

gram positive

b)

gram negative

20.

Ziehl nielsen stain is an example of

a)

gram staining

b)

Acid fast staining

21.

Management of bacterial infection includes

a)

Antibiotics

b)

Antiviral