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Microorganisms friends and foes

Total questions: 10

Worksheet time: 8mins

Name
Class
Date
1.

Amoeba belongs to

a)

Algae

b)

Fungi

c)

Virus

d)

Protozoa

2.

Rhizobium bacteria

a)

Help in Digestion

b)

Help in nitrogen fixation

c)

Cause diseases

d)

All the above

3.

The Fermentation process is discovered by

a)

Louis Pasture

b)

Alexander flaming

c)

Edward jenner

d)

John Mendal

4.

A Bacteria responsible for curdling of milk is

a)

Rhizobium

b)

Oscillatoria

c)

Lactobacillus

d)

Plasmodium

5.

Bacteria is known as__________________ in an ecosystem when feeding on dead organisms.

a)

Decomposers

b)

Herbivore

c)

Pathogens

d)

Infections

6.

Bacteria and yeast are alsohelpful for (a)   of rice idlisand dosa batter

7.

What type of fungi is used to help bread rise?

a)

mushrooms

b)

yeast

c)

mold

d)

truffles

8.
Which is not an example of a harmful microorganism?
a)
Mold growing on a kitchen sponge
b)
Bacteria found in yogurt
c)
Bacteria that causes turberculosis
d)
Salmonella on uncooked chicken
9.
Some bacteria is known as ________________ and cause disease.
a)
pathogens
b)
flagella
c)
influenza
d)
ebola
10.
All bacteria are
a)
unicellular
b)
multicellular
c)
eukaryotic