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microbes

Total questions: 200

Worksheet time: 17mins

Name
Class
Date
1.

What is a cell?

a)

Is a smallest part of living thing

b)

Fiber

c)

Nutrients

d)

Wastes

2.
What type of instrument would you use to look at cells?
a)
Telescope
b)
Giroscope
c)
Microscope
d)
None of the above
3.

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

a)

Bacteria

b)

Fungus

c)

Virus

d)

Protist

4.

Select the disease which can be treated with antibiotics.

a)

Swine Flu

b)

Influenza

c)

COVID 19

d)

Bacterial infection

5.

A disease causing organism

a)

Pathogen

b)

Poison

c)

Vaccine

d)

Prokaryote

6.

Which of these is an example of an antibiotic?

a)

Pencillin

b)

Tylenol

c)

Advil

d)

Tumms

7.

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

8.

Organisms that need nitrogen to survive

a)

Only plants

b)

Only animals

c)

Only bacteria

d)

All living organisms

9.

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

10.

How nitrogen is "fixed" into useable form for plants

a)

Only through action of bacteria

b)

Only through lightning

c)

Through action of bacteria & lightning

d)

Through photosynthesis

11.

Gas that makes up almost 78% of Earth's atmosphere

a)

Oxygen

b)

Carbon dioxide

c)

Nitrogen

d)

Hydrogen

12.

Organism that breaks down dead plants & animals and releases nitrogen back into atmosphere

a)

Bacteria

b)

Plants

c)

Animals

d)

Producers

13.
Are microorganisms helpful or harmful?
a)
Helpful
b)
Harmful
c)
Both
d)
Neither
14.
What is Penicillin (medicine) made from?
a)
Water
b)
Sugar
c)
Mold
d)
Algae
15.
What is the difference between an autotroph and a heterotroph?
a)
Heterotrophs are producers and autotrohps are consumers
b)
Heterotrophs cannot be changed and autotrophs can change themselves
c)
Heterotrophs are consumers and autotrophs are producers
d)
Heterotrophs cannot move and autotrophs can move
16.
This microorganism has whip-like flagella, that help them move.
a)
Virus
b)
Bacteria
c)
Algae
d)
Fungi
17.

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

18.

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

19.

What is a cell?

a)

Is a smallest part of living thing

b)

Fiber

c)

Nutrients

d)

Wastes

20.

You can find bacteria all over the world.

a)

True

b)

False

21.

Which is the smallest of all microorganisms?

a)

Algae

b)

Fungi

c)

Virus

d)

Bacteria

22.

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

a)

Bacteria

b)

Fungus

c)

Virus

d)

Protist

23.
What type of instrument would you use to look at cells?
a)
Telescope
b)
Giroscope
c)
Microscope
d)
None of the above
24.

Select the disease which can be treated with antibiotics.

a)

Swine Flu

b)

Influenza

c)

COVID 19

d)

Bacterial infection

25.

A disease causing organism

a)

Pathogen

b)

Poison

c)

Vaccine

d)

Prokaryote

26.

Which of these is an example of an antibiotic?

a)

Pencillin

b)

Tylenol

c)

Advil

d)

Tumms

27.

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

28.

Organisms that need nitrogen to survive

a)

Only plants

b)

Only animals

c)

Only bacteria

d)

All living organisms

29.

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

30.

How nitrogen is "fixed" into useable form for plants

a)

Only through action of bacteria

b)

Only through lightning

c)

Through action of bacteria & lightning

d)

Through photosynthesis

31.

Gas that makes up almost 78% of Earth's atmosphere

a)

Oxygen

b)

Carbon dioxide

c)

Nitrogen

d)

Hydrogen

32.

Organism that breaks down dead plants & animals and releases nitrogen back into atmosphere

a)

Bacteria

b)

Plants

c)

Animals

d)

Producers

33.

Name the type of microorganism that is smaller than bacteria and which is a link between dead and alive.

(a)  

34.

Microbiology is the science of study of microbes.

a)

True

b)

False

35.

All the microorganisms are harmful.

a)

True

b)

False

36.

An instrument called microscope is required to see the microorganisms.

a)

True

b)

False

37.

Bacteria have an organised nucleus.

a)

True

b)

False

38.

Algae tend to develop on wet surfaces.

a)

True

b)

False

39.

Salt is used as a food preservative.

a)

True

b)

False

40.

The gas released during the preparation of bread is:

(a)  

41.

Choose the correct statement with respect to unicellular organisms.

a)

In unicellular organisms, tissues work in coordination to perform different functions

b)

Unicellular organisms do not require food

c)

Unicellular organisms respire and reproduce

d)

All unicellular organisms move by cilia.

42.

Which one of the following terms is not a part of the nucleus?

a)

Ribosomes

b)

Nuclear Membrane

c)

Chromosomes

d)

Genes

43.

Choose the correct statement

a)

Genes are located in the chromosomes

b)

Cell is located in the nucleus

c)

Chromosomes are located in the nucleolus

d)

Cell membrane surrounds the nucleus

44.
A tiny, nonliving particle that invades and then reproduces inside a living cell.
a)
Bacteria
b)
Virus
c)
Protist
d)
Fungi
45.

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

a)

Decomposers

b)

Herbivore

c)

Pathogens

d)

Infections

46.

A Bacteria responsible for curdling of milk is

a)

Rhizobium

b)

Oscillatoria

c)

Lactobacillus

d)

Plasmodium

47.
This microorganism has whip-like flagella, that help them move.
a)
Virus
b)
Bacteria
c)
Algae
d)
Fungi
48.
Some bacteria is known as ________________ and cause disease.
a)
pathogens
b)
flagella
c)
influenza
d)
ebola
49.
Are microorganisms helpful or harmful?
a)
Helpful
b)
Harmful
c)
Both
d)
Neither
50.
Yogurt contains harmful bacteria.
a)
True
b)
False
51.
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
52.

What type of an organism is a mushroom

a)

Bacteria

b)

Fungus

c)

Virus

d)

None of the above

53.

Rhizobium bacteria are present in the what part of leguminous plants.

a)

Flowers

b)

Roots

c)

Leaves

d)

Fruits

54.

Which of these is a saprotroph?

a)

Algae

b)

Pitcher Plant

c)

Fungi

d)

Cuscuta

55.

Which of the following does not have the capacity to reproduce outside the host cell?

a)

Bacteria

b)

Fungi

c)

Algae

d)

Virus

56.

Organisms which take in nutrients from dead and decaying matter are called

a)

Autotrophs

b)

Heterotrophs

c)

Saprotrophs

d)

Autoheterotrophs

57.

The shape of Bacillus bacteria is generally

a)

Spherical

b)

Comma shaped

c)

Rod like

d)

Spiral

58.
Yeast makes bread, rolls and cakes rise.
a)
True
b)
False
59.
Yogurt and cheese  can be produced from ___________.
a)
Bacteria
b)
Virus
c)
Protozoa
d)
Algae
60.

The disease causing microbes are known as

a)

Pathology

b)

Pathogenesis

c)

Pathogens

d)

Antibodies

61.
Why is a microscope needed to view cells?
a)
to separate cells from each other 
b)
to make cells look bigger than they are
c)
to make cells look smaller than they are
d)
to hold the cells still so they can be seen
62.
Identify a statement that shows how bacteria are NOT helpful to humans.
a)
Bacteria break down dead plants and animals
b)
Bacteria break down water, soil, and air pollution.
c)
Bacteria cause inflammation of tissues and often a fever. 
d)
Bacteria break down the milk protein to create cheese. 
63.

Beneficial or Harmful?


bacteria used in cheese and yogurt

a)

beneficial

b)

harmful

64.

Beneficial or Harmful?


yeast used to cause bread to rise

a)

beneficial

b)

harmful

65.

Beneficial or Harmful?


fungus causes ringworm or athlete's foot on the skin

a)

beneficial

b)

harmful

66.

Beneficial or Harmful?


bacteria weakens teeth enamel

a)

beneficial

b)

harmful

67.

Beneficial or Harmful?


mold used to create Penicillin (antibiotic)

a)

beneficial

b)

harmful

68.
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
69.
Bacteria are made up of how many cells?
a)
1
b)
2
c)
3
d)
trillions!
70.
Mold helps dead things (plants, animals)...
a)
Grow
b)
Decay
c)
Sleep
d)
Reproduce
71.
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
72.
Some bacteria is known as ________________ and cause disease.
a)
pathogens
b)
flagella
c)
influenza
d)
ebola
73.
Bacteria is known as ______________ in an ecosystem when feeding on dead organisms.
a)
decomposers
b)
herbivores
c)
pathogens
d)
infections
74.
What is true about bacteria?
a)
Bacteria use photosynthesis to make their own food
b)
Bacteria can only be found in dirt
c)
Bacteria is always beneficial
d)
Bacteria can be used to make certain foods
75.
Bacteria can ________ .
a)
Heal cuts
b)
Purify water
c)
Spoil food
d)
Cause cancer
76.
Yogurt and cheese  can be produced from ___________.
a)
Bacteria
b)
Virus
c)
Protozoa
d)
Algae
77.
Bacteria is known as ______________ in an ecosystem when feeding on dead organisms.
a)
decomposers
b)
herbivores
c)
pathogens
d)
infections
78.
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
79.
What is true about bacteria?
a)
Bacteria use photosynthesis to make their own food
b)
Bacteria can only be found in dirt
c)
Bacteria is always beneficial
d)
Bacteria can be used to make certain foods
80.
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
81.
Why is a microscope needed to view cells?
a)
to separate cells from each other 
b)
to make cells look bigger than they are
c)
to make cells look smaller than they are
d)
to hold the cells still so they can be seen
82.
Bacteria are made up of how many cells?
a)
1
b)
2
c)
3
d)
trillions!
83.
Mold helps dead things (plants, animals)...
a)
Grow
b)
Decay
c)
Sleep
d)
Reproduce
84.

What is a cell?

a)

Is a smallest part of living thing

b)

Fiber

c)

Nutrients

d)

Wastes

85.
What type of instrument would you use to look at cells?
a)
Telescope
b)
Giroscope
c)
Microscope
d)
None of the above
86.

Microorganisms need certain condition to stay alive and grow. Which of the following condition that is not suitable for microorganism to grow.

a)

present of water

b)

present of oxygen

c)

warmth temperature

d)

cold temperature

87.

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

a)

Bacteria

b)

Fungus

c)

Virus

d)

Protist

88.

Which of the following micro-organisms is called animal-liked because they have special feature to move like animal?

a)

fungi

b)

algae

c)

bacteria

d)

protozoa

89.

How do yeast reproduce?

a)

cell division

b)

budding

c)

spores

d)

fission

90.

Which micro-organism causes TBC disease?

a)

bacteria

b)

fungi

c)

virus

d)

protozoa

91.

Which microorganism helps to make yoghurt?

(a)  

92.

What gas is produced by yeast in making bread?

(a)  

93.

Mention three advantange / useful of microorganisms.

4 lines
94.

Explain how to prevent our food from decaying by microorganisms.

4 lines
95.

Beside useful, microorganisms can be also harmful. Explain two disadvantages of microorganisms.

4 lines
96.
A tiny, nonliving particle that invades and then reproduces inside a living cell.
a)
Bacteria
b)
Virus
c)
Protist
d)
Fungi
97.
A preparation of weakened or killed pathogens.
a)
Bacteria
b)
Antibiotic Resistance
c)
Vaccine
d)
Capsid
98.
Antibiotics can be used to treat a viral infection.
a)
True
b)
False
99.

Influenza is a disease caused due to

a)

bacteria

b)

Virus

c)

Protozoa

d)

None of the above

100.

Mushroom belongs to

a)

Algae

b)

Virus

c)

Fungi

d)

None of the above

101.

Malaria is caused bby

a)

Protozoa

b)

Virus

c)

Algae

d)

Bacteria

102.
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
103.
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
104.
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
105.
A piece of bread has a tiny spot of mold growing on it. Is it safe to eat?
a)
Yes
b)
No
106.

Which statement is NOT true?

a)

Microorganisms help dead things decay.

b)

Microorganisms only live in soil.

c)

Microorganisms cause disease.

d)

Microorganisms are used to make cheese.

107.

What is a living thing that is so small you need a microscope to see them?

a)

insect

b)

microorganism

c)

shrimp

d)

daisy

108.

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

a)

Bacteria

b)

Viruses

c)

Fungi

d)

Protists

109.

Which is the smallest of all microorganisms?

a)

Algae

b)

Fungi

c)

Virus

d)

Bacteria

110.

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

a)

SARS

b)

MERS

c)

COVID-12

d)

COVID-19

111.

Diseases dysentery and malaria are caused by

a)

Bacteria

b)

Protozoa

c)

Fungi

d)

Virus

112.

A fungus that is usually located on your feet which causes skin disease.

a)

Ring Worm

b)

Athletes Foot

c)

E Coli

d)

Protozoa

113.

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

a)

Yeast

b)

Algae

c)

Penicillin

d)

Bacteria

114.

____________ single celled organism which cause diseases such as malaria, and sleeping sickness. They are also helpful in the treatment of sewage waste where they eat the harmful bacteria making it safe for disposal.

a)

Protozoa

b)

Alagae

c)

Yeast

d)

Fungi

115.

What is Flagella?

a)

A single long hair like a whip that helps protoctista move

b)

Tiny hair like fibres that help protoctista move

c)

A place where spores are kept

d)

A fake foot that help protoctista move

116.

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

a)

Decomposers

b)

Herbivore

c)

Pathogens

d)

Infections

117.

A Bacteria responsible for curdling of milk is

a)

Rhizobium

b)

Oscillatoria

c)

Lactobacillus

d)

Plasmodium

118.

Mushroom belongs to

a)

Algae

b)

Virus

c)

Fungi

d)

None of the above

119.

Amoeba belongs to

a)

Algae

b)

Fungi

c)

Virus

d)

Protozoa

120.
A tiny, nonliving particle that invades and then reproduces inside a living cell.
a)
Bacteria
b)
Virus
c)
Protist
d)
Fungi
121.
Outer protein coat of a virus.
a)
Envelope
b)
Capsid
c)
Cell Wall 
d)
Chitin
122.
Acellular is a way to describe the following:
a)
Bacteria
b)
Protist
c)
Fungi 
d)
Virus
123.
What is true about bacteria?
a)
Bacteria use photosynthesis to make their own food
b)
Bacteria can only be found in dirt
c)
Bacteria is always beneficial
d)
Bacteria can be used to make certain foods
124.
Probiotics are an example of ....
a)
A microorganisms that can make people sic
b)
A microorganism that lives in the ocean
c)
An example of bacteria and all bacteria is harmful
d)
an example of live bacteria and yeast that is helpful to humans by aiding in the digestion of food
125.
Which is not an example of a helpful microorganism?
a)
Yeast to help bread rise
b)
A virus used in a vaccine
c)
Microbes used to clean oil spills
d)
Bacteria that causes strep throat
126.
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
127.
Yeast makes bread, rolls and cakes rise.
a)
True
b)
False
128.
Mold helps dead things (plants, animals)...
a)
Grow
b)
Decay
c)
Sleep
d)
Reproduce
129.
What is Penicillin (medicine) made from?
a)
Water
b)
Sugar
c)
Mold
d)
Algae
130.
A piece of bread has a tiny spot of mold growing on it. Is it safe to eat?
a)
Yes
b)
No
131.
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
132.
Anti-bacterial means:
a)
active against bacteria.
b)
feeds bacteria and helps it grow.
c)
has no effect on bacteria.
d)
sometimes works against bacteria, but not always.
133.
Toxic algae is:
a)
Helpful
b)
Harmful
c)
Both
d)
Neither
134.
_________________ bacteria are in your _________________ to help digest food.
a)
Helpful; throat
b)
Helpful; stomach
c)
Harmful; esophagus
d)
Harmful; lungs
135.
This microorganism has whip-like flagella, that help them move.
a)
Virus
b)
Bacteria
c)
Algae
d)
Fungi
136.
All bacteria are
a)
unicellular
b)
multicellular
c)
eukaryotic
137.
The oldest type of microorganism is known as _____________.
a)
Bacteria
b)
Virus
c)
Fungi
d)
Flagella
138.
______________ helps us  digest our food and they produce needed vitamins.
a)
Bacteria
b)
Fungi
c)
Protozoa
d)
Algae
139.
Yogurt and cheese  can be produced from ___________.
a)
Bacteria
b)
Virus
c)
Protozoa
d)
Algae
140.
A tiny, nonliving particle that invades and then reproduces inside a living cell.
a)
Bacteria
b)
Virus
c)
Protist
d)
Fungi
141.
A preparation of weakened or killed pathogens.
a)
Bacteria
b)
Antibiotic Resistance
c)
Vaccine
d)
Capsid
142.
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
143.
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
144.
Harmful bacteria produces cheese.
a)
True
b)
False
145.
_________________ bacteria are in your _________________ to help digest food.
a)
Helpful; throat
b)
Helpful; stomach
c)
Harmful; esophagus
d)
Harmful; lungs
146.

What is a living thing that is so small you need a microscope to see them?

a)

insect

b)

microorganism

c)

shrimp

d)

daisy

147.

You can find bacteria all over the world.

a)

True

b)

False

148.

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

a)

Bacteria

b)

Viruses

c)

Fungi

d)

Protists

149.

Which is the smallest of all microorganisms?

a)

Algae

b)

Fungi

c)

Virus

d)

Bacteria

150.

Bacteria can be both helpful and harmful in food.

a)

True

b)

False

151.

Fungi get their food through photosynthesis.

a)

True

b)

False

152.

Which microorganism produces much of the oxygen that we breathe?

a)

Algae

b)

Fungi

c)

Protists

d)

Bacteria

153.

Bacteria in yogurt is harmful.

a)

True

b)

False

154.

What type of fungi is used to help bread rise?

a)

mushrooms

b)

yeast

c)

mold

d)

truffles

155.

Algae is used to make foods like yogurt, cheese, and pickles.

a)

True

b)

False

156.
Yogurt and cheese  can be produced from ___________.
a)
Bacteria
b)
Virus
c)
Protozoa
d)
Algae
157.
The smallest microorganism on earth is known as  _____________
a)
a virus
b)
bacteria
c)
algae
d)
fungi
158.
Which of these microorganisms is considered harmful? 
a)
Bacteria in yogurt
b)
Fungus in antibiotics
c)
Yeast in bread
d)
Mold on fruit
159.

The disease causing microbes are known as

a)

Pathology

b)

Pathogenesis

c)

Pathogens

d)

Antibodies

160.

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

a)

Decomposers

b)

Herbivore

c)

Pathogens

d)

Infections

161.

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.

162.
What is true about bacteria?
a)
Bacteria use photosynthesis to make their own food
b)
Bacteria can only be found in dirt
c)
Bacteria is always beneficial
d)
Bacteria can be used to make certain foods
163.
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
164.
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
165.
Four students in Mrs. Sterling's class make the following observations.  Choose which student is correct
a)
Shelby says that all microorganisms are found in the ocean.  Some are helpful, but some are harmful.  It's best to shower after swimming at the beach.
b)
Garry says that all microorganisms are harmful.  This is why we must get vaccinations and antibiotics from the doctor.
c)
Ireland says that some microorganims are helpful and some are harmful.  The best way to protect ourselves from harmful microbes is to wash our hands with soap and water.
d)
Jonathan says it's impossible to become sick from bacteria.  Only viruses and fungi can make a person sick.  Make sure to sneeze in your elbow to prevent the spread of germs.
166.

To which kingdom does Bacteria belong to

a)

Fungai Kingdom

b)

Monera Kingdom

c)

Protoctista Kingdom

d)

Both A and B

167.

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

(a)  

168.

What type of an organism is a mushroom

a)

Bacteria

b)

Fungus

c)

Virus

d)

None of the above

169.

Where are viruses present in the enviroment

a)

In the air

b)

Soil

c)

Near seas and oceans

d)

underground

170.

On what are the Decomposers attracted

a)

Smell

b)

Blood

c)

dead bodies

d)

Both A and C

171.

Rhizobium bacteria are present in the what part of leguminous plants.

a)

Flowers

b)

Roots

c)

Leaves

d)

Fruits

172.

Which of these is a saprotroph?

a)

Algae

b)

Pitcher Plant

c)

Fungi

d)

Cuscuta

173.

Mycology is the study of

a)

Bacteria

b)

Fungi

c)

Insects

d)

Parasites

174.

Which of the following does not have the capacity to reproduce outside the host cell?

a)

Bacteria

b)

Fungi

c)

Algae

d)

Virus

175.

What type of microorganism is yeast which is used in many food preparations?

a)

Bacteria

b)

Fungi

c)

Algae

d)

Virus

176.

Which of these is an autotroph?

a)

Cuscuta

b)

Algae

c)

Bacteria

d)

Mushroom

177.

Organisms which take in nutrients from dead and decaying matter are called

a)

Autotrophs

b)

Heterotrophs

c)

Saprotrophs

d)

Autoheterotrophs

178.

The shape of Bacillus bacteria is generally

a)

Spherical

b)

Comma shaped

c)

Rod like

d)

Spiral

179.

Who discovered the process of fermentation?

a)

Edward Jenner

b)

Louis Pasteur

c)

Jonas Salk

d)

William Harvey

180.

What is shape of an amoeba?

a)

Spherical

b)

Elongated

c)

Spiral

d)

No definite shape

181.

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

a)

Decomposers

b)

Herbivore

c)

Pathogens

d)

Infections

182.

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

183.

Influenza is a disease caused due to

a)

bacteria

b)

Virus

c)

Protozoa

d)

None of the above

184.

A Bacteria responsible for curdling of milk is

a)

Rhizobium

b)

Oscillatoria

c)

Lactobacillus

d)

Plasmodium

185.

The Fermentation process is discovered by

a)

Louis Pasture

b)

Alexander flaming

c)

Edward jenner

d)

John Mendal

186.

Mushroom belongs to

a)

Algae

b)

Virus

c)

Fungi

d)

None of the above

187.

Rhizobium bacteria

a)

Help in Digestion

b)

Help in nitrogen fixation

c)

Cause diseases

d)

All the above

188.

Penicillium is a

a)

Algae

b)

Fungus

c)

Bacteria

d)

Yeast

189.

Malaria is caused bby

a)

Protozoa

b)

Virus

c)

Algae

d)

Bacteria

190.

Amoeba belongs to

a)

Algae

b)

Fungi

c)

Virus

d)

Protozoa

191.
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
192.
Probiotics are an example of ....
a)
A microorganisms that can make people sic
b)
A microorganism that lives in the ocean
c)
An example of bacteria and all bacteria is harmful
d)
an example of live bacteria and yeast that is helpful to humans by aiding in the digestion of food
193.
All bacteria are
a)
unicellular
b)
multicellular
c)
eukaryotic
194.
The oldest type of microorganism is known as _____________.
a)
Bacteria
b)
Virus
c)
Fungi
d)
Flagella
195.
______________ helps us  digest our food and they produce needed vitamins.
a)
Bacteria
b)
Fungi
c)
Protozoa
d)
Algae
196.
Probiotics are an example of ....
a)
A microorganisms that can make people sic
b)
A microorganism that lives in the ocean
c)
An example of bacteria and all bacteria is harmful
d)
an example of live bacteria and yeast that is helpful to humans by aiding in the digestion of food
197.
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
198.
Which is not an example of a helpful microorganism?
a)
Yeast to help bread rise
b)
A virus used in a vaccine
c)
Microbes used to clean oil spills
d)
Bacteria that causes strep throat
199.
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
200.
Four students in Mrs. Sterling's class make the following observations.  Choose which student is correct
a)
Shelby says that all microorganisms are found in the ocean.  Some are helpful, but some are harmful.  It's best to shower after swimming at the beach.
b)
Garry says that all microorganisms are harmful.  This is why we must get vaccinations and antibiotics from the doctor.
c)
Ireland says that some microorganims are helpful and some are harmful.  The best way to protect ourselves from harmful microbes is to wash our hands with soap and water.
d)
Jonathan says it's impossible to become sick from bacteria.  Only viruses and fungi can make a person sick.  Make sure to sneeze in your elbow to prevent the spread of germs.

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