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Microorganisms

Total questions: 40

Worksheet time: 23mins

Name
Class
Date
1.

Influenza is a disease caused due to

a)

bacteria

b)

Virus

c)

Protozoa

d)

None of the above

2.

Penicillium is a

a)

Algae

b)

Fungus

c)

Bacteria

d)

Yeast

3.

Malaria is caused bby

a)

Protozoa

b)

Virus

c)

Algae

d)

Bacteria

4.

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

5.
A tiny, nonliving particle that invades and then reproduces inside a living cell.
a)
Bacteria
b)
Virus
c)
Protist
d)
Fungi
6.
A preparation of weakened or killed pathogens.
a)
Bacteria
b)
Antibiotic Resistance
c)
Vaccine
d)
Capsid
7.
Antibiotics can be used to treat a viral infection.
a)
True
b)
False
8.

A fungus that causes skin disease.

a)

Ring Worm

b)

Salmonella

c)

Yeast

d)

Athletes Foot

9.

Helpful in the making of bread.

a)

Penicillin

b)

Salmonella

c)

Yeast

d)

Fungi

10.

Helps to digest the food in your stomach.

a)

Fungi

b)

Algae

c)

Yeast

d)

Bacteria

11.

A fungus used as a medicine.

a)

Yeast

b)

Bacteria

c)

Penicillin

d)

Algae

12.

_____________ are single-celled spherical, spiral or rod shaped organisms.

a)

Yeast

b)

Algae

c)

Penicillin

d)

Bacteria

13.

Which observation supports the claim that microorganisms are helpful to ecosystems?

a)

Microorganism are to small to been seen without special equipment.

b)

Microorganism need water and energy to survive.

c)

Millions of microorganism can often be found in soil.

d)

Microorganisms break down dead plants and animals, making nutrients available.

14.

A scientific tool used to see small objects more clearly.

a)

Microorganism

b)

Decomposer

c)

Beneficial

d)

Microscope

15.
Are microorganisms helpful or harmful?
a)
Helpful
b)
Harmful
c)
Both
d)
Neither
16.
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
17.
Bacilli bacteria are what shape?
a)
spiral
b)
rod
c)
round
18.

The type of corona virus that is currently causing pandemic worldwide is

a)

SARS

b)

MERS

c)

COVID-12

d)

COVID-19

19.

Hepatitis A is caused by

a)

Bacteria

b)

Protozoa

c)

Fungi

d)

Virus

20.

Diseases dysentery and malaria are caused by

a)

Bacteria

b)

Protozoa

c)

Fungi

d)

Virus

21.

Microorganisms are

a)

Autotrophs & heterotrophs

b)

Autotrophs only

c)

Saprophytes only

d)

Hetrotrophs only

22.

Bacteriophage is a

a)

Bacteria

b)

Virus

c)

Protozoan

d)

Funguss

23.

Viruses show characteristics of:

a)

Both living & non-living

b)

Living

c)

Prokaryotes

d)

Non-living

24.

Harmful microorganisms are also known as (a)   (one word please)

25.

All bacteria are unicellular microorganisms and belong to the kingdom...

a)

Fungi

b)

Monera

c)

Protist

26.

What types of bacteria shapes do you see in the picture?

a)

Bacilli

b)

Vibrio

c)

Spirilla

d)

Cocci

e)

Staphylococci

27.

What is the name of the bacteria reproduction process?

(a)  

28.
Which of the following is NOT made using helpful microorganisms?
a)
bread
b)
cheese
c)
steak
d)
yogurt
29.
Marco went to the doctor and was given a vaccine containing a virus. When Marco was surprised the vaccine contained a virus, the doctor explained that viruses and other microorganisms...
a)
only cause sickness to people
b)
can have benefits to people
c)
are rarely useful to people
d)
should not be placed in the body
30.

If a bacteria could divide into 2 every 20 minuites how many bacteria would be formed in 10 hours

(a)  

31.

Which of these is NOT a non-living characteristic of viruses?

a)

Viruses Lack nucleic acids

b)

Viruses can crystallize

c)

Viruses cannot respire

d)

Viruses cannot excrete

32.

MIcroorganisms found naturally on/in our bodies are called

___________

a)

Pathogens

b)

Micro-flora

c)

Causative organisms

d)

Vectors

33.

Vectors carry microorganisms via ______ and ______ methods

a)

Physical and Biological

b)

Biological and Mechanical

c)

Mechanical and Physical

d)

Biological And Chemical

34.

To grow viruses, a special type of culture medium is used known as

a)

Nutrient Agar

b)

Tissue culture

c)

Nutrend

d)

Corn Starch

35.

The Microorganism that causes Syphillis is

a)

Tubercle Bacillus

b)

Treponema pallidum

c)

Vibrio eltor

d)

Staphylococcus aureus

36.

What shape is the Tubercle bacillus bacteria?

a)

Spiral

b)

Rod

c)

Spherical

d)

Comma

37.

Mosquitoes have incomplete metamorphosis, True/False

a)

True

b)

False

38.

Time taken for Microorganisms to divide or double their population size is known as the

a)

generation time

b)

growth time

c)

exponential time

d)

logarithmic time

39.

In observing the actual growth of bacteria, the phase at which the growth of the microorganism proceeds at a maximum rate is known as

a)

Exponential phase

b)

lag phase

c)

Jet phase

d)

Stationary phase

40.

Rabies is caused by a/an

a)

Virus

b)

Bacterium

c)

Protozoon

d)

Algae

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