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Worksheets

MICROORGANISMS

Total questions: 10

Worksheet time: 5mins

Name
Class
Date
1.

Influenza is a disease caused due to

a)

Bacteria

b)

virus

c)

Protozoa

d)

None of the above

2.

------------------------------- was the person known to have observed bacteria under a magnifying glass.

(a)  

3.

Coccus bacteria living in pair is termed as:

a)

Bacillus

b)

Diplococcus

c)

Spirillum

d)

Vibrio

4.

-------------------- is the only protozoan which includes chlorophyll within its cell.

(a)  

5.

The algae that fixes atmospheric nitrogen from air and thus enriches the soil with nitrogenous compound for plants is

a)

Blue green algae

b)

Chlorella

c)

Diatoms

d)

Chlamydomonas

6.

Amoebic dysentery is caused by-------------------

(a)  

7.

Name a marine algae which is rich source of natural iodine----------

(a)  

8.

A fungus that grows on stale bread is:

a)

Penicillium

b)

Aspergillus

c)

Rhizopus

d)

None

9.

A bacteria responsible for curdling of milk is:

a)

Lactobacillus

b)

Rhizobium

c)

Oscillatoria

d)

Plasmodium

10.

An example of symbiotic relationship is found in:

a)

Moulds

b)

Bacteriophase

c)

Aspergillus

d)

Lichens