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Microorganisms

Total questions: 29

Worksheet time: 35mins

Name
Class
Date
1.
Why are bacteria necessary to life?
a)
used in nitrogen fixation
b)
they are decomposers
c)
they help human digestion
d)
all of these
2.
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
3.
All viruses contain this.
a)
nucleus and DNA or RNA
b)
DNA or RNA and protein coat
c)
protein coat and nucleus
d)
cell wall and DNA or RNA
4.
This microorganism is shaped like a slipper
a)
Amoeba
b)
Paramecium
c)
Euglena
d)
Volvox
5.
Which of the following help bread rise?
a)
algae
b)
bacteria
c)
yeast
d)
fungi
6.
How do bacteria help our bodies function?
a)
They make our muscles stronger.
b)
They help to digest food.
c)
They circulate in our blood and help carry oxygen.
d)
They make our skin clean.
7.
Which instrument would you use to study microorganisms?
a)
thermometer
b)
microscope
c)
telescope
d)
kaleidoscope
8.
In what conditions do  most bacteria grow best?
a)
warm and moist
b)
cool and dry
c)
warm and dry
d)
cool and moist
9.
A disease causing organism
a)
pathogen
b)
poison
c)
vaccine
10.

A disease in human beings caused by virus is _______.

a)

typhoid

b)

dysentry

c)

influenza

d)

cholera

11.

The disease caused by a protozoan and spread by an insect is _________.

a)

dengue

b)

polio

c)

malaria

d)

measles

12.

The disease caused by a protozoan and spread by an insect is _________.

a)

dengue

b)

polio

c)

malaria

d)

measles

13.

The group of microorganism which help converting milk into curd is _________________

a)

virus

b)

bacteria

c)

protozoa

d)

algae

14.

The bacteria which is found in root nodules of pea plant is

a)

Rhizobium

b)

microbacterium tuberculosis

c)

microbacterium typhus

d)

none of the above

15.

Name of the virus currently causing world wide panic is-

a)

polio virus

b)

covid-19

c)

covid-9

d)

flu virus

16.
Which is the best method for preventing a parasitic disease?
a)
vaccination
b)
wearing a mask
c)
limiting physical contact with others
d)
avoiding contaminated food and water
17.
Fungi is benefical to us because 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
18.
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
19.
Turberculosis is a disease that was widespread during the turn of the century.  This disease is an example of.....
a)
A helpful bacteria
b)
A helpful fungi
c)
A harmful bacteria
d)
A harmful probiotic
20.
What is Penicillin (medicine) made from?
a)
Water
b)
Sugar
c)
Mold
d)
Algae
21.
Harmful viruses can cause:
a)
Colds
b)
Influenza
c)
Both of the above
d)
Neither of the above
22.
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
23.
A tiny, nonliving particle that invades and then reproduces inside a living cell.
a)
Bacteria
b)
Virus
c)
Protist
d)
Fungi
24.
A preparation of weakened or killed pathogens.
a)
Bacteria
b)
Antibiotic Resistance
c)
Vaccine
d)
Capsid
25.
This organism has cell walls made of chitin.
a)
Virus
b)
Fungi
c)
Eubacteria
d)
Archaebacteria
26.
______________ helps us  digest our food and they produce needed vitamins.
a)
Bacteria
b)
Fungi
c)
Protozoa
d)
Algae
27.
Some bacteria is known as ________________ and cause disease.
a)
pathogens
b)
flagella
c)
influenza
d)
ebola
28.

Yeast, mold, and mushrooms are part of which category of microorganisms?

a)

Bacteria

b)

Viruses

c)

Fungi

d)

Protists

29.

What type of fungi is used to help bread rise?

a)

mushrooms

b)

yeast

c)

mold

d)

truffles

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