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G-8 Microorganisms

Total questions: 30

Worksheet time: 23mins

Name
Class
Date
1.
A tiny, nonliving particle that invades and then reproduces inside a living cell.
a)
Bacteria
b)
Virus
c)
Protist
d)
Fungi
2.
A preparation of weakened or killed pathogens.
a)
Bacteria
b)
Antibiotic Resistance
c)
Vaccine
d)
Capsid
3.
Are microorganisms helpful or harmful?
a)
Helpful
b)
Harmful
c)
Both
d)
Neither
4.
Yogurt contains harmful bacteria.
a)
True
b)
False
5.
Harmful bacteria produces cheese.
a)
True
b)
False
6.
Mold helps dead things (plants, animals)...
a)
Grow
b)
Decay
c)
Sleep
d)
Reproduce
7.
Microorganisms can be found:
a)
The the ocean, inside and outside your body
b)
On plants and animals
c)
In medicine and your food
d)
All of the above
8.
Some bacteria is known as ________________ and cause disease.
a)
pathogens
b)
flagella
c)
influenza
d)
ebola
9.
A process of converting nitrate into atmospheric nitrogen, facilitated by microbes.
a)
Kreb's Cycle
b)
Denitrification
c)
Lytic Cycle
d)
Lysogenic Cycle
10.

_____ kill or stop the growth of germs

a)

Antibodies

b)

Vaccines

c)

Antibiotics

11.
Bacteria is known as ______________ in an ecosystem when feeding on dead organisms.
a)
decomposers
b)
herbivores
c)
pathogens
d)
infections
12.

The smallest microorganism on earth is as _____________

a)

a virus

b)

bacteria

c)

algae

d)

fungi

13.
What is Penicillin (medicine) made from?
a)
Water
b)
Sugar
c)
Mold
d)
Algae
14.
 Viruses can reproduce (replicate) on a surface (ex: table, chair, etc.)
a)
True
b)
False
15.
This microorganism has whip-like flagella, that help them move.
a)
Virus
b)
Bacteria
c)
Algae
d)
Fungi
16.

Nitrogen-fixing bacteria are important because...

a)

They are decomposers

b)

They are salt lovers

c)

They provide protection for plants from diseases

d)

They make nitrogen available to plants in form they can use

17.

What is a cell?

a)

Is a smallest part of living thing

b)

Fiber

c)

Nutrients

d)

Wastes

18.

Yeast is a type of ____________ that people use to make bread.

a)

Bacteria

b)

Fungus

c)

Virus

d)

Protist

19.

Select the disease which can be treated with antibiotics.

a)

Swine Flu

b)

Influenza

c)

COVID 19

d)

Bacterial infection

20.

Which of these is an example of an antibiotic?

a)

Pencillin

b)

Tylenol

c)

Advil

d)

Tumms

21.

How animals get the nitrogen they need

a)

From the air they breathe

b)

From the water they drink

c)

From the food they eat

d)

From the Sun

22.

Bacteria fix nitrogen on plant roots where plant roots provide sugar to bacteria. This is an example of

a)

Mutualism

b)

Parasitism

c)

Commensalism

d)

Competition

23.
What is Cilia?
a)
A tail like structure that help protist move
b)
Hair like fibers that help protist move
c)
A place where spores are kept
d)
A fake foot that help protist move
24.

Influenza is a disease caused due to

a)

bacteria

b)

Virus

c)

Protozoa

d)

None of the above

25.

A Bacteria responsible for curdling of milk is

a)

Rhizobium

b)

Oscillatoria

c)

Lactobacillus

d)

Plasmodium

26.

The Fermentation process is discovered by

a)

Louis Pasture

b)

Alexander flaming

c)

Edward jenner

d)

John Mendal

27.

Mushroom belongs to

a)

Algae

b)

Virus

c)

Fungi

d)

None of the above

28.

Rhizobium bacteria

a)

Help in Digestion

b)

Help in nitrogen fixation

c)

Cause diseases

d)

All the above

29.

Amoeba belongs to

a)

Algae

b)

Fungi

c)

Virus

d)

Protozoa

30.
How does pasteurization make food safe to eat?
a)
It changes dangerous chemicals in the food into safer chemicals
b)
It encourages the growth of important gut-bacteria
c)
It heats the food enough to kill all bacteria without affecting taste
d)
It causes milk to sour and turn into butter

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