wayground logo

Free Printable Worksheets

Font size

S
M
L
XL
Worksheets

1.2 and 1.3 Useful Microorganism and Pathogens

Total questions: 20

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.

Diagram shows the food for a teenager at tea time.

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

a)

Yeast

b)

Virus

c)

Bacteria

d)

Protozoa

3.

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

a)

Protozoa

b)

Yeast

c)

Algae

d)

Bacteria

4.

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

5.

Karen wants to make a soft bread for her daughter for breakfast.

Which microorganism is used?

a)

Bacteria

b)

Mucor

c)

Protozoa

d)

Yeast

6.

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

a)

saponification

b)

fermentation

c)

distillation

d)

pigmentation

7.

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

a)

serum

b)

medicine

c)

antibiotic

d)

vaccine

8.

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.

9.

Mark three fields involved with the use of microorganisms

a)

sport

b)

industry

c)

agriculture

d)

medicine

10.
A preparation of weakened or killed pathogens.
a)
Bacteria
b)
Antibiotic Resistance
c)
Vaccine
d)
Capsid
11.
Yogurt contains harmful bacteria.
a)
True
b)
False
12.
Antibiotics can be used to treat a viral infection.
a)
True
b)
False
13.
Yeast makes bread, rolls and cakes rise.
a)
True
b)
False
14.

A Bacteria responsible for curdling of milk is

a)

Rhizobium

b)

Oscillatoria

c)

Lactobacillus

d)

Plasmodium

15.

Penicillium is a

a)

Algae

b)

Fungus

c)

Bacteria

d)

Yeast

16.

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

a)

bacteria

b)

virus

c)

yeast

d)

algae

17.

Beneficial or Harmful?


fungus causes ringworm or athlete's foot on the skin

a)

beneficial

b)

harmful

18.
Some bacteria is known as ________________ and cause disease.
a)
pathogens
b)
flagella
c)
influenza
d)
ebola
19.
Bacteria can ________ .
a)
Heal cuts
b)
Purify water
c)
Spoil food
d)
Cause cancer
20.
Mold helps dead things (plants, animals)...
a)
Grow
b)
Decay
c)
Sleep
d)
Reproduce