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Useful of microorganism

Total questions: 15

Worksheet time: 15mins

Name
Class
Date
1.

What causes dough to rise when yeast is added into it?

a)

Carbon dioxide is released

b)

Temperature of the dough increase

c)

Amount of dough increase

d)

mount of yeast particle increase

2.

Which microorganism helps in the digestion of cellulose in the intestines of herbivores?

a)

Protozoa

b)

Yeast

c)

Algae

d)

Bacteria

3.

Diagram shows two types of food.

Which of the following microorganisms is used to produce the food?

a)

Yeast

b)

Virus

c)

Bacteria

d)

Protozoa

4.

Main process that involve to produce eco enzyme product is .........................

a)

saponification

b)

fermentation

c)

distillation

d)

pigmentation

5.

Chemicals produced by bacteria and fungi, and which treat infections caused by bacteria, are known as ...

a)

serum

b)

medicine

c)

antibiotic

d)

vaccine

6.

Dead plants and animals in the soil are broken down into humus by the efforts of ......

a)

bacteria only in the soil.

b)

Viruses in the soil.

c)

Fungi and viruses in the soil.

d)

bacteria and fungi in the soil.

7.

Mark three fields involved with the use of microorganisms

a)

sport

b)

industry

c)

agriculture

d)

medicine

8.
A preparation of weakened or killed pathogens.
a)
Bacteria
b)
Antibiotic Resistance
c)
Vaccine
d)
Capsid
9.
Antibiotics can be used to treat a viral infection.
a)
True
b)
False
10.
Yogurt contains harmful bacteria.
a)
True
b)
False
11.

A Bacteria responsible for curdling of milk is

a)

Rhizobium

b)

Oscillatoria

c)

Lactobacillus

d)

Plasmodium

12.

Penicillium is a

a)

Algae

b)

Fungus

c)

Bacteria

d)

Yeast

13.

We can use biotechnology to produce human insulin. Which microorganism is used to produce insulin?

a)

bacteria

b)

virus

c)

yeast

d)

algae

14.
Which of the following is NOT made using helpful microorganisms?
a)
bread
b)
cheese
c)
steak
d)
yogurt
15.

The study of bacteria is called ____

a)

Algalogy

b)

mycology

c)

Bacteriology

d)

Microbiology