WorksheetsMicroorganisms Friend? or Foe?
Total questions: 10
Worksheet time: 5mins
Name
Class
Date
1.
Bacteria is known as__________________ in an ecosystem when feeding on dead organisms.
a)
Decomposers
b)
Herbivore
c)
Pathogens
d)
Infections
2.
Fungi is beneficial to us beacause of the following reason
a)
They are a source of oxygen
b)
They can clean up pollution
c)
They are a source of antibiotics
d)
They help to clean run off from waste
3.
A Bacteria responsible for curdling of milk is
a)
Rhizobium
b)
Oscillatoria
c)
Lactobacillus
d)
Plasmodium
4.
The Fermentation process is discovered by
a)
Louis Pasture
b)
Alexander flaming
c)
Edward jenner
d)
John Mendal
5.
Mushroom belongs to
a)
Algae
b)
Virus
c)
Fungi
d)
None of the above
6.
Rhizobium bacteria
a)
Help in Digestion
b)
Help in nitrogen fixation
c)
Cause diseases
d)
All the above
7.
Amoeba belongs to
a)
Algae
b)
Fungi
c)
Virus
d)
Protozoa
8.
Which of the following is an example of a harmful microorganism?
a)
Fungi used as antibiotics
b)
Ecoli on food that makes people sick
c)
Bacteria found in yogurt.
d)
Microorganisms helping dead matter to decay
9.
Which of the following statements are true?
a)
All microorganisms are bad
b)
All microorganisms are good
c)
Some microorganisms are harmful, while some can be helpful
d)
Microorganisms are too small to do anything to anyone
10.
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
100 %
