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microbes

Total questions: 255

Worksheet time: 43mins

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.

Influenza is a disease caused due to

a)

bacteria

b)

Virus

c)

Protozoa

d)

None of the above

4.

A Bacteria responsible for curdling of milk is

a)

Rhizobium

b)

Oscillatoria

c)

Lactobacillus

d)

Plasmodium

5.

The Fermentation process is discovered by

a)

Louis Pasture

b)

Alexander flaming

c)

Edward jenner

d)

John Mendal

6.

Mushroom belongs to

a)

Algae

b)

Virus

c)

Fungi

d)

None of the above

7.

Rhizobium bacteria

a)

Help in Digestion

b)

Help in nitrogen fixation

c)

Cause diseases

d)

All the above

8.

Penicillium is a

a)

Algae

b)

Fungus

c)

Bacteria

d)

Yeast

9.

Malaria is caused bby

a)

Protozoa

b)

Virus

c)

Algae

d)

Bacteria

10.

Amoeba belongs to

a)

Algae

b)

Fungi

c)

Virus

d)

Protozoa

11.
A tiny, nonliving particle that invades and then reproduces inside a living cell.
a)
Bacteria
b)
Virus
c)
Protist
d)
Fungi
12.
A preparation of weakened or killed pathogens.
a)
Bacteria
b)
Antibiotic Resistance
c)
Vaccine
d)
Capsid
13.
Antibiotics can be used to treat a viral infection.
a)
True
b)
False
14.

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

a)

Decomposers

b)

Herbivore

c)

Pathogens

d)

Infections

15.

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

16.

A Bacteria responsible for curdling of milk is

a)

Rhizobium

b)

Oscillatoria

c)

Lactobacillus

d)

Plasmodium

17.

Rhizobium bacteria

a)

Help in Digestion

b)

Help in nitrogen fixation

c)

Cause diseases

d)

All the above

18.

Penicillium is a

a)

Algae

b)

Fungus

c)

Bacteria

d)

Yeast

19.
This microorganism has whip-like flagella, that help them move.
a)
Virus
b)
Bacteria
c)
Algae
d)
Fungi
20.
Some bacteria is known as ________________ and cause disease.
a)
pathogens
b)
flagella
c)
influenza
d)
ebola
21.
Are microorganisms helpful or harmful?
a)
Helpful
b)
Harmful
c)
Both
d)
Neither
22.
Yogurt contains harmful bacteria.
a)
True
b)
False
23.
Some fungus can provide food.
a)
True
b)
False
24.
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
25.
_________________ bacteria are in your _________________ to help digest food.
a)
Helpful; throat
b)
Helpful; stomach
c)
Harmful; esophagus
d)
Harmful; lungs
26.
A tiny, nonliving particle that invades and then reproduces inside a living cell.
a)
Bacteria
b)
Virus
c)
Protist
d)
Fungi
27.

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

a)

Decomposers

b)

Herbivore

c)

Pathogens

d)

Infections

28.

A Bacteria responsible for curdling of milk is

a)

Rhizobium

b)

Oscillatoria

c)

Lactobacillus

d)

Plasmodium

29.
This microorganism has whip-like flagella, that help them move.
a)
Virus
b)
Bacteria
c)
Algae
d)
Fungi
30.
Some bacteria is known as ________________ and cause disease.
a)
pathogens
b)
flagella
c)
influenza
d)
ebola
31.
Are microorganisms helpful or harmful?
a)
Helpful
b)
Harmful
c)
Both
d)
Neither
32.
Yogurt contains harmful bacteria.
a)
True
b)
False
33.
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
34.

What type of an organism is a mushroom

a)

Bacteria

b)

Fungus

c)

Virus

d)

None of the above

35.

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

a)

Flowers

b)

Roots

c)

Leaves

d)

Fruits

36.

Which of these is a saprotroph?

a)

Algae

b)

Pitcher Plant

c)

Fungi

d)

Cuscuta

37.

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

a)

Bacteria

b)

Fungi

c)

Algae

d)

Virus

38.

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

a)

Autotrophs

b)

Heterotrophs

c)

Saprotrophs

d)

Autoheterotrophs

39.

The shape of Bacillus bacteria is generally

a)

Spherical

b)

Comma shaped

c)

Rod like

d)

Spiral

40.
Yeast makes bread, rolls and cakes rise.
a)
True
b)
False
41.
Yogurt and cheese  can be produced from ___________.
a)
Bacteria
b)
Virus
c)
Protozoa
d)
Algae
42.

The disease causing microbes are known as

a)

Pathology

b)

Pathogenesis

c)

Pathogens

d)

Antibodies

43.

Influenza is a disease caused due to

a)

Bacteria

b)

virus

c)

Protozoa

d)

None of the above

44.

------------------------------- was the person known to have observed bacteria under a magnifying glass.

(a)  

45.

Coccus bacteria living in pair is termed as:

a)

Bacillus

b)

Diplococcus

c)

Spirillum

d)

Vibrio

46.

-------------------- is the only protozoan which includes chlorophyll within its cell.

(a)  

47.

The algae that fixes atmospheric nitrogen from air and thus enriches the soil with nitrogenous compound for plants is

a)

Blue green algae

b)

Chlorella

c)

Diatoms

d)

Chlamydomonas

48.

Amoebic dysentery is caused by-------------------

(a)  

49.

Name a marine algae which is rich source of natural iodine----------

(a)  

50.

A fungus that grows on stale bread is:

a)

Penicillium

b)

Aspergillus

c)

Rhizopus

d)

None

51.

A bacteria responsible for curdling of milk is:

a)

Lactobacillus

b)

Rhizobium

c)

Oscillatoria

d)

Plasmodium

52.

An example of symbiotic relationship is found in:

a)

Moulds

b)

Bacteriophase

c)

Aspergillus

d)

Lichens

53.

(a)   causes malaria

54.

Aedes mosquito acts as a carrier of (a)   virus.

55.

(a)   is used for preserving fruit juices and squashes

56.

(a)   bacteria causing food poisoning.

57.

The conversion of free atmospheric nitrogen into nitrogenous compounds is known as (a)  

58.

(a)   bacteria can take atmospheric nitrogen and convert it into nitrogen compounds.

59.

The ability of one's body to resist a disease is known as (a)  

60.

The bacteria which need oxygen for growth are called (a)  

61.

(a)   bacteria help make curd from milk.

62.

Disease -causing microorganisms are called (a)  

63.

To which kingdom does Bacteria belong to

a)

Fungai Kingdom

b)

Monera Kingdom

c)

Protoctista Kingdom

d)

Both A and B

64.

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

(a)  

65.

What type of an organism is a mushroom

a)

Bacteria

b)

Fungus

c)

Virus

d)

None of the above

66.

Where are viruses present in the enviroment

a)

In the air

b)

Soil

c)

Near seas and oceans

d)

underground

67.

On what are the Decomposers attracted

a)

Smell

b)

Blood

c)

dead bodies

d)

Both A and C

68.

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

a)

Flowers

b)

Roots

c)

Leaves

d)

Fruits

69.

Which of these is a saprotroph?

a)

Algae

b)

Pitcher Plant

c)

Fungi

d)

Cuscuta

70.

Mycology is the study of

a)

Bacteria

b)

Fungi

c)

Insects

d)

Parasites

71.

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

a)

Bacteria

b)

Fungi

c)

Algae

d)

Virus

72.

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

a)

Bacteria

b)

Fungi

c)

Algae

d)

Virus

73.

Which of these is an autotroph?

a)

Cuscuta

b)

Algae

c)

Bacteria

d)

Mushroom

74.

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

a)

Autotrophs

b)

Heterotrophs

c)

Saprotrophs

d)

Autoheterotrophs

75.

The shape of Bacillus bacteria is generally

a)

Spherical

b)

Comma shaped

c)

Rod like

d)

Spiral

76.

Who discovered the process of fermentation?

a)

Edward Jenner

b)

Louis Pasteur

c)

Jonas Salk

d)

William Harvey

77.

What is shape of an amoeba?

a)

Spherical

b)

Elongated

c)

Spiral

d)

No definite shape

78.

Which microbe produces oxygen?

a)

Fungi

b)

Algae

c)

Bacteria

d)

Protozoa

79.

Malaria is caused by

a)

Virus

b)

Protozoa

c)

Bacteria

d)

Algae

80.

Rhizopus (bread mould) is an example of

a)

Virus

b)

Fungi

c)

Bacteria

d)

Protozoa

81.

Salt is used to preserve

a)

Fish

b)

Jam

c)

Chips

d)

Meat

82.

Who discovered the first antibiotic (Penicillin)?

a)

Louis pasteur

b)

Alexander flaming

c)

Edward Jenner

83.

Microorganisms are of (a)   types.

84.

Typhoid is caused by

a)

Virus

b)

Bacteria

c)

Protozoa

d)

Fungi

85.

__________ fixes atmospheric nitrogen.

a)

Lightning

b)

Rhizobium

c)

Blue-green algae

d)

Yeast

86.

Pasteurisation is used to preserve

a)

Jellies

b)

Milk

c)

Water

d)

Chips

87.

Microorganisms are helpful and harmful both.

a)

True

b)

False

88.

The study of microorganisms is called __________ .

Scientists who study microorganisms are called ____________ .

a)

micrology, micrologist

b)

microbiology, micrologist

c)

microstudy, micrologist

d)

microbiostudy, micrologist

e)

none of them

89.

what is singular form of bacteria?

a)

Bacterium

b)

Bactrium

c)

bactrum

90.

Are microorganisms and microbes same?

a)

yes

b)

no

91.

name the medicines made from fungus and bacteria

a)

antibiotical

b)

antibiotics

c)

antibios

d)

antionical

92.

name any one disease cause by microorganisms

(a)  

93.

Amoeba is a

a)

bacterium

b)

virus

c)

fungus

d)

protozoa

94.

A virus can be reproduce on its own

a)

True

b)

False

95.

identify the image

a)

microoganisms

b)

virus

96.

is bacteria used in preparation of curd and cheese?

a)

yes

b)

no

97.

__________ causes the dangerous foot and mouth diseases in cattle?

a)

microorganism

b)

virus

c)

fungus

98.
This microorganism has whip-like flagella, that help them move.
a)
Virus
b)
Bacteria
c)
Algae
d)
Fungi
99.
All bacteria are
a)
unicellular
b)
multicellular
c)
eukaryotic
100.
The oldest type of microorganism is known as _____________.
a)
Bacteria
b)
Virus
c)
Fungi
d)
Flagella
101.
______________ helps us  digest our food and they produce needed vitamins.
a)
Bacteria
b)
Fungi
c)
Protozoa
d)
Algae
102.
Yogurt and cheese  can be produced from ___________.
a)
Bacteria
b)
Virus
c)
Protozoa
d)
Algae
103.
A tiny, nonliving particle that invades and then reproduces inside a living cell.
a)
Bacteria
b)
Virus
c)
Protist
d)
Fungi
104.
A preparation of weakened or killed pathogens.
a)
Bacteria
b)
Antibiotic Resistance
c)
Vaccine
d)
Capsid
105.
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
106.
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
107.
Harmful bacteria produces cheese.
a)
True
b)
False
108.
_________________ bacteria are in your _________________ to help digest food.
a)
Helpful; throat
b)
Helpful; stomach
c)
Harmful; esophagus
d)
Harmful; lungs
109.
A tiny, nonliving particle that invades and then reproduces inside a living cell.
a)
Bacteria
b)
Virus
c)
Protist
d)
Fungi
110.

Which of these microorganism causes common cold ?

a)

bacteria

b)

virus

c)

antibiotic

111.

Microorganisms are found

a)

in air

b)

on our hands

c)

on surfaces

d)

everywhere

112.

Which of these are microbes ?

a)

Bacteria

b)

virus

c)

fungi

d)

Antibiotic

113.

All microorganisms are harmful.

a)

True

b)

False

114.

Bacteria, fungi, viruses and (a)   are the major four groups in which microorganisms are classified.

115.

Bacteria are ______ organisms.

a)

multicellular

b)

bicellular

c)

unicellular

d)

tricellular

116.

The instrument used to view microorganisms is

(a)  

117.

Microorganisms can be found only in air and water.

a)

True

b)

False

118.

Which of the following are the smallest of all microorganisms?

a)

Virus

b)

Bacteria

c)

Algae

d)

Fungi

119.

The microorganism that contains chlorophyll.

a)

Virus

b)

Fungi

c)

Algae

d)

Bacteria

120.

A bacteria responsible for curdling of milk is:

a)

Lactobacillus

b)

Rhizobium

c)

Oscillatoria

d)

Plasmodium

121.

A fungus that grows on stale bread is:

a)

Penicillium

b)

Aspergillus

c)

Rhizopus

d)

None

122.

Amoebic dysentery is caused by-------------------

(a)  

123.

Influenza is a disease caused due to

a)

Bacteria

b)

virus

c)

Protozoa

d)

None of the above

124.

How many major types of microorganisms are there?

a)

1

b)

4

c)

5

d)

2

125.

Influenza is caused by?

a)

Bacteria

b)

Fungi

c)

Protozoa

d)

Virus

126.

What is commonly used to make antibiotics?

a)

Fungi, Bacteria

b)

dead or weakened microbes

127.

is Lactobacillus a harmful bacteria?

a)

Yes

b)

No

128.

______ discovered the vaccine for small-pox in ______

(a)  

129.

Female Anopheles mosqquito is the carrier of

a)

Malaria

b)

Dengue

c)

Cholera

130.

Bacteria causes which of the following?

a)

TB

b)

Typhoid

c)

Polio

d)

Cholera

131.

What bacteria causes Anthrax disease?

(a)  

132.

What bacteria helps in nitrogen fixation in soil

(a)  

133.

Which of the following are preserved using salt?

a)

meat

b)

fish

c)

milk

d)

jam

134.

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

a)

Decomposers

b)

Herbivore

c)

Pathogens

d)

Infections

135.

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

136.

Influenza is a disease caused due to

a)

bacteria

b)

Virus

c)

Protozoa

d)

None of the above

137.

A Bacteria responsible for curdling of milk is

a)

Rhizobium

b)

Oscillatoria

c)

Lactobacillus

d)

Plasmodium

138.

The Fermentation process is discovered by

a)

Louis Pasture

b)

Alexander flaming

c)

Edward jenner

d)

John Mendal

139.

Mushroom belongs to

a)

Algae

b)

Virus

c)

Fungi

d)

None of the above

140.

Rhizobium bacteria

a)

Help in Digestion

b)

Help in nitrogen fixation

c)

Cause diseases

d)

All the above

141.

Penicillium is a

a)

Algae

b)

Fungus

c)

Bacteria

d)

Yeast

142.

Malaria is caused bby

a)

Protozoa

b)

Virus

c)

Algae

d)

Bacteria

143.

Amoeba belongs to

a)

Algae

b)

Fungi

c)

Virus

d)

Protozoa

144.

What is the name of the only Autotrophic Protzoan ?

a)

Euglena

b)

Ameoba

c)

Virus

d)

Flagellum

145.

Which organelle can locomote in bacteria?

(a)  

146.

What is the slimy coating present in Bacteria called?

(a)  

147.

Name the 2 types of autotrophs.

(a)  

148.

Viruses have all cell organelles present in them.

a)

True

b)

False

149.

Are algae autotrophic and prokaryotic?

a)

True

b)

False

150.

What are the colorless threads present in Fungi called?

a)

Mycelium

b)

Paramoecium

c)

Hyphae

d)

Microbes

151.

Which type of Fungi do not show the presence of Rhizoids?

a)

Salmonella

b)

Mucor

c)

Yeast

152.

What is the name of the food used to feed fish?

(a)  

153.

Is it possible for Bacteria to grown immune to Antibiotics?

a)

Yes

b)

No

c)

Maybe

154.

What are disease causing Microorganisms known as?

4 lines
155.

Carriers which carry specific diseases are known as?

(a)  

156.

Can you write an example of a communicable disease?

4 lines
157.

Which animal has a bacteria which can cause Anthrax?

(a)  

158.

Can Fungi spoil only cooked foods?

a)

Yes

b)

No

c)

Maybe

159.

Blue- green algae can fix atmospheric_______ in the soil

a)

Carbon

b)

Nitrogen

c)

Oxygen

d)

All of the above

160.

Cholera is caused by________________

a)

Fungi

b)

Bacteria

c)

Algae

d)

None of the above

161.

The bread or idli dough rises because of

a)

Heat

b)

Grinding

c)

Growth of yeast cells

d)

fermentation

162.

What are the major groups of microorganisms

a)

Algae

b)

Yeast

c)

Bacteria

d)

Fungi

e)

Protozoa

163.

Rhizobium bacteria___________

a)

help in nitrogen fixation

b)

help in digestion

c)

causes various diseases

d)

All of the above

164.

Malaria is caused by

a)

Protozoa

b)

Virus

c)

Algae

d)

Bacteria

165.

Penicillin is a

a)

Algae

b)

Fungus

c)

Vaccine

d)

Bacteria

166.

Coci are ________shaped bacteria.

a)

Rod-Shaped

b)

Round-Shaped

c)

Spiral

d)

None of the above

167.

Spirogyra is

a)

a algae

b)

a fungi

c)

a protozoa

d)

a bacteria

168.

Vaccine for small pox was discovered by ____________

a)

Louise Pasteur

b)

Alexander Fleming

c)

Edward Jenner

d)

John Mendal

169.

Which of the following is not responsible for spoilage of food?

a)

Algae

b)

Fungi

c)

Bacteria

d)

Chemical

170.

Which of the following is an antibiotic

a)

Sodium Bicarbonate

b)

Streptomycin

c)

Alchohol

d)

Yeast

171.

Which was the first antibiotic to be discovered

a)

Crocin

b)

Penicillin

c)

Ayurveda

d)

None of the above

172.

Name a disease which is common in human and other animals

a)

Rabies

b)

Anthrax

c)

Social anxiety

d)

Cholera

173.

What are some communicable diseases?

a)

Cholera

b)

Common cold

c)

Chicken Pox

d)

Alzheimer's

e)

Dyslexia

174.

The study of microorganisms is called

a)

Microscope

b)

Microorganisms

c)

Microbiology

d)

None of these

175.

Microscope is a/an

a)

instrument

b)

magnifying tool

c)

Both of these

d)

None of these

176.

Microorganisms can be divided into _______________ major groups.

a)

3

b)

4

c)

5

d)

6

177.

We should clean the mirror of the microscope using a rough and dirty piece of cloth.

a)

True

b)

False

c)

Maybe

d)

None

178.

Cocci bacteria is of __________________ shaped.

a)

rod

b)

spherical

c)

curved

d)

spiral

179.

_______________ are the smallest organisms to be known.

a)

Protozoa

b)

Algae

c)

Fungi

d)

Viruses

e)

Bacteria

180.

An electron microscope can magnify up to _________________ times.

a)

10,00,000

b)

1,00,00,000

c)

20,00,000

d)

2,00,000

181.

Which microorganism contains chlorophyll?

a)

Protozoan

b)

Fungus

c)

Alga

d)

Bacterium

182.

Define fermentation.

4 lines
183.

Mode of transmission of tuberculosis is

a)

Physical Contact

b)

Water

c)

Air

d)

None of these

184.

A tiny, nonliving particle that invades and then reproduces inside a living cell.

a)

Bacteria

b)

Virus

c)

Protist

d)

Fungi

185.

A preparation of weakened or killed pathogens.

a)

Bacteria

b)

Antibiotic Resistance

c)

Vaccine

d)

Capsid

186.

A eukaryotic organism that cannot be classified as an animal, plant, or fungus.

a)

Protist

b)

Virus

c)

Bacteria

d)

Capsid

187.
The ability of a population of bacteria to survive the lethal effects of an antibiotic.
a)
Vaccine
b)
Lysogenic Cycle
c)
Antibiotic Resistance
d)
Capsid
188.
A large group of one-celled organisms that sometimes cause disease .
a)
Virus
b)
Protist
c)
Fungi
d)
Bacteria
189.
Outer protein coat of a virus.
a)
Envelope
b)
Capsid
c)
Cell Wall 
d)
Chitin
190.
This organism has cell walls made of chitin.
a)
Virus
b)
Fungi
c)
Eubacteria
d)
Archaebacteria
191.
 Viruses can reproduce (replicate) on a surface (ex: table, chair, etc.)
a)
True
b)
False
192.
Antibiotics can be used to treat a viral infection.
a)
True
b)
False
193.

Influenza is a disease caused due to

a)

Bacteria

b)

virus

c)

Protozoa

d)

None of the above

194.

Organisms that cannot be seen with unaided eyes are?

a)

Micrones

b)

Microbials

c)

Microorganisms

d)

Microbiology

195.

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

a)

SARS

b)

MERS

c)

COVID-12

d)

COVID-19

196.

Rust of wheat is caused by

a)

Fungi

b)

Bacteria

c)

Virus

d)

Algae

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 harmful microorganism?
a)
Mold growing on a kitchen sponge
b)
Bacteria found in yogurt
c)
Bacteria that causes turberculosis
d)
Salmonella on uncooked chicken
199.
Yogurt contains harmful bacteria.
a)
True
b)
False
200.
Are microorganisms helpful or harmful?
a)
Helpful
b)
Harmful
c)
Both
d)
Neither
201.
Yeast makes bread, rolls and cakes rise.
a)
True
b)
False
202.
A piece of bread has a tiny spot of mold growing on it. Is it safe to eat?
a)
Yes
b)
No
203.

Yeast is used for making bread. Yeast is a

a)

plant.

b)

spice.

c)

fungi.

d)

bacteria.

204.

Which microorganisms listed below can be harmful?

a)

bacteria

b)

fungi

c)

protists

d)

all of the above

205.

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.

206.
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
207.
Four of Mrs. Sterling's students go to Six Flags.  Two become sick.  Choose which answer gives the best evidence as to why the students became sick.
a)
Isabela and Sauzaas become sick because they do not like the dressed up characters at Six Flags.  
b)
James and and Salwa become sick because they did not have enough money to buy a souvenir. 
c)
Sauzaas and James become sick because they ingested some chicken at the food stand that had bacteria on it.  
d)
Isabella and Salwa become sick because they washed their hands too many times while at the park.
208.

Name the groups in which microorganisms are broadly classified.

a)

yeast

b)

fungi

c)

protozoa

d)

algae

209.

Microorganisms are classified into (a)   major groups

210.

Another name for a microorganism is (a)  

211.

Bacteria and yeast are alsohelpful for (a)   of rice idlisand dosa batter

212.

Beneficial or Harmful?


Plankton are a food source for small fish

a)

beneficial

b)

harmful

213.

What are bacteria that cause disease?

a)

viruses

b)

pathogens

c)

endospores

d)

antibiotics

214.

Assertion: Adding salt preserves the meat and fish for ages.

Reason: Salt draws water out of food and dehydrates the food.

a)

Both A and R are true and R is the correct explanation of A.

b)

Both A and R are true but R is not the correct explanation of A.

c)

A is true but R is false. A is false but R is true.

d)

Both A and R are false.

215.

Penicillin is a

a)

Algae

b)

Fungus

c)

Vaccine

d)

Bacteria

216.

Viruses have all cell organelles present in them.

a)

True

b)

False

217.

Beneficial or Harmful?


yeast used to cause bread to rise

a)

beneficial

b)

harmful

218.

Beneficial or Harmful?


fungus & bacteria decomposes tree limbs in forest

a)

beneficial

b)

harmful

219.

Is it possible for Bacteria to grown immune to Antibiotics?

a)

Yes

b)

No

c)

Maybe

220.

Can Fungi spoil only cooked foods?

a)

Yes

b)

No

c)

Maybe

221.

Assertion: Copper used widely to conduct electricity.

Reason: Silver has the highest electrical conductivity of all metals.

a)

Both A and R are true and R is the correct explanation of A.

b)

Both A and R are true but R is not the correct explanation of A.

c)

A is true but R is false. A is false but R is true.

d)

Both A and R are false.

222.

Vaccine for small pox was discovered by ____________

a)

Louise Pasteur

b)

Alexander Fleming

c)

Edward Jenner

d)

John Mendal

223.

Beneficial or Harmful?


bacteria used in cheese and yogurt

a)

beneficial

b)

harmful

224.
Which of the following is a property of a non-metal?
a)
Conducts electricity and heats well
b)
Can be hammered into thin sheets
c)
Is brittle and breaks easily
d)
Has a shiny, metallic luster
225.

Beneficial or Harmful?


algae causes Red Tide

a)

beneficial

b)

harmful

226.

Which of the following is not responsible for spoilage of food?

a)

Algae

b)

Fungi

c)

Bacteria

d)

Chemical

227.

What describes the relationship of microorganisms to humans?

a)

harmful

b)

useful

c)

both harmful and useful

d)

nethier harmful nor useful

228.

Vaccine for small pox was discovered by ____________

a)

Louise Pasteur

b)

Alexander Fleming

c)

Edward Jenner

d)

John Mendal

229.

Examples of Spore formation are

a)

Rhizopus and Mucor

b)

Mucor and ameoba

c)

E-coli and Rhizopus

d)

None of these

230.

Identify E in the following diagram

a)

Nucleus

b)

Plasmid

c)

Flagellum

d)

Mesosome

231.

Researchers at which university found that loose , liquefiable sand can be turned into a solid cylinder ?

a)

UC Mark

b)

UC Davis

c)

Harvard

d)

Massachusetts Institute of Technology

232.

What is the process in which yeast added to warm water with sugar forms cloudy formations

a)

Farmentation

b)

Spore releasing

c)

Fermentation

d)

micro synthesis

233.

In some ways, synthetic biology is similar to another approach called "-----------" because both involve changing an organism's genetic code

a)

Genome fixation

b)

Genome editing

c)

Genes change

d)

Evolution

234.

_______is a field of science that involves redesigning organisms for useful purposes by engineering them to have new abilities

a)

Biotechnology

b)

Synthetic Biology

235.

Any new fact that you learnt from our exhibition? type it down below!

4 lines
236.

Any feedback?

4 lines
237.
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
238.
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
239.
Yogurt contains harmful bacteria.
a)
True
b)
False
240.
Are microorganisms helpful or harmful?
a)
Helpful
b)
Harmful
c)
Both
d)
Neither
241.

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

242.

A Bacteria responsible for curdling of milk is

a)

Rhizobium

b)

Oscillatoria

c)

Lactobacillus

d)

Plasmodium

243.

The Fermentation process is discovered by

a)

Louis Pasture

b)

Alexander flaming

c)

Edward jenner

d)

John Mendal

244.

Mushroom belongs to

a)

Algae

b)

Virus

c)

Fungi

d)

None of the above

245.

Rhizobium bacteria

a)

Help in Digestion

b)

Help in nitrogen fixation

c)

Cause diseases

d)

All the above

246.

Penicillium is a

a)

Algae

b)

Fungus

c)

Bacteria

d)

Yeast

247.
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
248.
The smallest microorganism on earth is known as  _____________
a)
a virus
b)
bacteria
c)
algae
d)
fungi
249.
Viruses can also be called ______________
a)
flagella
b)
parasites
c)
decomposers
d)
pathogens
250.
Viruses can also be called ______________
a)
flagella
b)
parasites
c)
decomposers
d)
pathogens
251.
All bacteria are
a)
unicellular
b)
multicellular
c)
eukaryotic
252.
This microorganism uses host cells to make copies of itself
a)
Protozoa
b)
Fungi
c)
Virus
d)
Bacteria
253.
Bacteria is known as ______________ in an ecosystem when feeding on dead organisms.
a)
decomposers
b)
herbivores
c)
pathogens
d)
infections
254.
A preparation of weakened or killed pathogens.
a)
Bacteria
b)
Antibiotic Resistance
c)
Vaccine
d)
Capsid
255.
What is Penicillin (medicine) made from?
a)
Water
b)
Sugar
c)
Mold
d)
Algae

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