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8f quiz science biology

Total questions: 10

Worksheet time: 5mins

Name
Class
Date
1.

____________ are also microscopic but are different from other microbes. Select the right ✅️ options

a)

Bacteria

b)

Fungi

c)

Virus

d)

Protozoa

2.
All bacteria are
a)
unicellular
b)
multicellular
c)
eukaryotic
3.

 

Malaria is caused by

a)

Virus

b)

Protozoa

c)

Bacteria

d)

Algae

4.

Protozoa cause diseases like dysentery and malaria.

a)

True

b)

False

5.

Microorganisms can be found only in air and water.

a)

True

b)

False

6.

Which of the following is not used as food preservatives?

a)

Salt

b)

Sugar

c)

Vinegar

d)

Methane

7.

Whenever any harmful disease-causing microorganism enters the human body, the body produces substances to fight with the entered microbe. It is called

a)

Antibodies

b)

Tuberculosis

c)

Algae

d)

Fungi

8.

The disease caused by protozoa is

a)

tuberculosis

b)

polio

c)

typhoid

d)

malaria

9.

What helps in the rise of bread or dosa dough?

a)

Heat

b)

Grinding

c)

Growth of yeast cells

d)

Low pressure

10.

Name the groups in which microorganisms are broadly classified.

a)

yeast

b)

fungi

c)

protozoa

d)

algae

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