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Bacterial Cell Structure, Physiology, Metabolism & Genetics

Total questions: 10

Worksheet time: 5mins

Name
Class
Date
1.

Gram positive organism has ____ peptidoglycan on their cell wall

a)

Thick

b)

Thin

2.

True or false: Gram negative organism has teichoic acid on their cell wall

a)

True

b)

False

3.

Interpret

a)

Gram negative cocci in chain

b)

Gram positive cocci in chain

c)

Gram positive bacilli in chain

d)

Gram negative bacilli in chain

4.

Stain used for visualization/ observation of metachromatic granules

a)

Methylene Blue

b)

Safranin

c)

LPCB

d)

Calcoflour White

5.

Environmental factors influencing growth of the organism.

a)

pH

b)

Gaseous Composition

c)

Temperature

d)

Odor

6.

Gram positive organism will appear ____ (color) under the microscope.

a)

Yellow

b)

Red

c)

Green

d)

Purple

7.

Identify the arrangement of the organism

a)

Chain

b)

Cluster

c)

Singly

d)

Pairs

8.

Bacterial Nomenclature: which is correct?

a)

Staphylococcus Aureus

b)

STAPHYLOCOCCUS AUREUS

c)

Staphylococcus aureus

d)

Staphylococcus aureus

9.

Select the organism being described below:


Unicellular, prokaryotic organism

a)

Bacteria

b)

Fungi

c)

Parasite

10.

Example of an organism that has spores

a)

Staphylococcus spp.

b)

Streptococcus spp.

c)

Clostridium tetani

d)

Nocardia