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Chapter 2 MICRO ORGANISMS

Total questions: 15

Worksheet time: 8mins

Name
Class
Date
1.

Amoeba is an example of

a)

Virus

b)

Bacteria

c)

Protozoa

d)

Fungus

2.

Which is not a condition for the growth of microorganisms

a)

Water

b)

Sunlight

c)

Suitable temperature

d)

Food supply

3.

Rhizobium bacteria helps in

a)

Denitrification

b)

Nitrogen fixation

c)

Biogas Fermentation

d)

All of these

4.

Which of the following causes potato blight

a)

Fungus

b)

Virus

c)

Amoeba

5.

Disease causing microorganisms are called

a)

Antibodies

b)

Vaccines

c)

Antigen

d)

Pathogen

6.

Tetanus vaccines are

a)

Dead microbes

b)

Live microbes

c)

Toxoids

7.

When an antigen enters our body, our body produces

a)

Vaccines

b)

Pathogens

c)

Toxins

d)

Antibodies

8.

The period between the infection and the appearance of symptoms is called

a)

Incubation period

b)

Vaccination period

c)

Gestation period

9.

Plants get their nitrogen from the soil in the form of

a)

Nitrates

b)

Nitrogen dioxide

c)

Nitric acid

10.

Identify the bacteria present in this structure

a)

Rhizobium

b)

Penicillin

c)

Casein

d)

Spyrogyra

11.

Identify this picture

a)

Amoeba

b)

Spirogyra

c)

Penicillium

d)

Bacillus

12.

Which of these cannot prevented by vaccination

a)

Cholera

b)

Typhoid

c)

Polio

d)

Gastroenteritis

13.

Which of this is not a bacterial infection

a)

Typhoid

b)

Polio

c)

Cholera

d)

Tuberculosis

14.

Malaria and Amoebic Dysentry are caused by

a)

Protozoans

b)

Bacteria

c)

Virus

d)

Fungus

15.

Which of the following caused by bacteria

a)

Common Cold

b)

Covid 19

c)

Tuberculosis

d)

Ringworm