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microorganism Y7

Total questions: 95

Worksheet time: 1hrs 14mins

Name
Class
Date
1.
Yogurt and cheese  can be produced from ___________.
a)
Bacteria
b)
Virus
c)
Protozoa
d)
Algae
2.
Bacteria is known as ______________ in an ecosystem when feeding on dead organisms.
a)
decomposers
b)
herbivores
c)
pathogens
d)
infections
3.
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
4.
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
5.
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
6.
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
7.
Bacteria are made up of how many cells?
a)
1
b)
2
c)
3
d)
trillions!
8.
Mold helps dead things (plants, animals)...
a)
Grow
b)
Decay
c)
Sleep
d)
Reproduce
9.

What is a cell?

a)

Is a smallest part of living thing

b)

Fiber

c)

Nutrients

d)

Wastes

10.
What type of instrument would you use to look at cells?
a)
Telescope
b)
Giroscope
c)
Microscope
d)
None of the above
11.

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

12.

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

a)

Bacteria

b)

Fungus

c)

Virus

d)

Protist

13.

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

14.

How do yeast reproduce?

a)

cell division

b)

budding

c)

spores

d)

fission

15.

Which micro-organism causes TBC disease?

a)

bacteria

b)

fungi

c)

virus

d)

protozoa

16.

Which microorganism helps to make yoghurt?

(a)  

17.

What gas is produced by yeast in making bread?

(a)  

18.

Mention three advantange / useful of microorganisms.

4 lines
19.

Explain how to prevent our food from decaying by microorganisms.

4 lines
20.

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

4 lines
21.

Some bacteria can cause diseases in humans. Can you name two diseases caused by bacteria?

4 lines
22.

What other kinds of organisms can cause disease?

4 lines
23.

Some bacteria can cause a diseases in humans.

Can you name two diseases caused by bacteria

4 lines
24.

What other kind of organisms can caused diseases?

4 lines
25.

What is an organism?

4 lines
26.

What characteristic do all organism have?

4 lines
27.

What is a microorganism?

4 lines
28.

Do all microorganisms have these characteristics, too?

4 lines
29.

Do viruses have these characteristic?

4 lines
30.

Which of the following reproduces only inside a host cell?

a)

Bacteria

b)

Amoeba

c)

Virus

d)

Fungus

31.

A disease in human beings caused by virus is _______.

a)

typhoid

b)

dysentry

c)

influenza

d)

cholera

32.

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

a)

dengue

b)

polio

c)

malaria

d)

measles

33.

Name of the virus currently causing world wide panic is-

a)

polio virus

b)

covid-19

c)

covid-9

d)

flu virus

34.
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
35.
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
36.
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
37.
Yeast makes bread, rolls and cakes rise.
a)
True
b)
False
38.
A piece of bread has a tiny spot of mold growing on it. Is it safe to eat?
a)
Yes
b)
No
39.

Which of the following microbes are the smallest?

a)
b)
c)
40.
Living things too small to be seen with just our eyes
a)
microorganisms
b)
mold
c)
decomposers
d)
soil
41.
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
42.
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
43.
Bacteria can ________ .
a)
Heal cuts
b)
Purify water
c)
Spoil food
d)
Cause cancer
44.
What is the cause of the common cold?
a)
bacteria
b)
cold temperatures
c)
sneezing and coughing
d)
viruses
45.
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
46.
Harmful bacteria produces cheese.
a)
True
b)
False
47.
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
48.
_________________ bacteria are in your _________________ to help digest food.
a)
Helpful; throat
b)
Helpful; stomach
c)
Harmful; esophagus
d)
Harmful; lungs
49.
A preparation of weakened or killed pathogens.
a)
Bacteria
b)
Antibiotic Resistance
c)
Vaccine
d)
Capsid
50.

What is a microorganism?

a)

a living organism that is so small , only can see it when we use a microscope

b)

a living organism that is so big , only can see it when we use a telescope

c)

a non living thing that is so small, only can see it when we use a microscope

51.

Microorganisms are made of ...

a)

tissues

b)

cells

c)

organs

52.

There are several groups of microorganisms, which are...

a)

fungi, spore, algae, bacterium

b)

bacteria, animals, plants and human

c)

bacteria, microscopic fungi, single-celled algae and protozoa

53.

Bacteria are found ...

a)

on the ground only

b)

everywhere

c)

in the house only

54.

One example of microscopic fungi is...

a)

single-celled microscopic fungus

b)

toadstools

c)

mushroom

55.

Example of the tiny plant-like organisms, that are found in the pond water is...

a)

protozoa

b)

algae

c)

fungi

56.

Example of the one-celled animals that are found in the pond water are ...

a)

protozoa

b)

algae

c)

bacteria

57.

This picture shows a group of ...

a)

bacteria

b)

yeasts

c)

protozoa

58.

This picture shows a group of ...

a)

bacteria

b)

yeasts

c)

protozoa

59.

This picture shows a group of...

a)

bacteria

b)

yeast

c)

protozoa

60.

What type of microorganism is this?

a)

Protozoa

b)

Bacteria

c)

Fungi

61.

Which type of microorganism is this?

a)

Bacteria

b)

Fungi

c)

Single-celled algae

62.

Which type of microorganism is this?

a)

Fungi

b)

Single-celled algae

c)

Bacteria

d)

Protozoa

63.

Which type of microorganism is this?

a)

Fungi

b)

Bacteria

c)

Single-celled algae

d)

Protozoa

64.

The picture shows a type of microorganism known as protozoa. Is this TRUE or FALSE?

a)

TRUE

b)

FALSE

65.

The picture shows a type of microorganism known as bacteria. Is this TRUE or FALSE?

a)

TRUE

b)

FALSE

66.

What are some characteristics of microorganisms?

a)

They are non-living things

b)

They are living microscopic organisms

c)

They are made of cells

d)

Some cause diseases

e)

They all cause diseases

67.

Microorganisms are microscopic organisms which may exist in its (a)   -celled form or a colony of cells.

68.

Choose the correct answers about microorganisms.

a)

All of them are bad, causing diseases.

b)

All of them are useful for the human body.

c)

Only some are useful while some others are bad for us.

d)

They are mostly single-celled microscopic organisms

69.

Do you think VIRUSES can be classified as microorganisms? Why do you think so?

4 lines
70.

Which of these are microbes ?

a)

Bacteria

b)

virus

c)

fungi

d)

Antibiotic

71.

Which is the smallest ?

a)

bacterium

b)

virus

c)

fungus

d)

they are all the same size

72.

Microorganisms are found

a)

in air

b)

on our hands

c)

on surfaces

d)

everywhere

73.

Microorganisms are

a)

Harmful

b)

useful

c)

can be harmful and useful

d)

have no effect o human body

74.

Which foods and drinks are produced through the growth of microbes ?

a)

cheese

b)

bread

c)

yogurt

d)

fizzy drinks

75.

Which of these microorganism causes common cold ?

a)

bacteria

b)

virus

c)

antibiotic

76.

Which of these are shapes of microorganisms

a)

Rods

b)

balls

c)

spirals

d)

all of the above

77.

What is the other word for a harmful microorganisms ?

a)

infectious

b)

antibiotic

c)

pathogen

d)

flora

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.
Yogurt and cheese  can be produced from ___________.
a)
Bacteria
b)
Virus
c)
Protozoa
d)
Algae
80.
Bacteria is known as ______________ in an ecosystem when feeding on dead organisms.
a)
decomposers
b)
herbivores
c)
pathogens
d)
infections
81.
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
82.
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
83.
Bacteria are made up of how many cells?
a)
1
b)
2
c)
3
d)
trillions!
84.
Mold helps dead things (plants, animals)...
a)
Grow
b)
Decay
c)
Sleep
d)
Reproduce
85.

What is a cell?

a)

Is a smallest part of living thing

b)

Fiber

c)

Nutrients

d)

Wastes

86.
What type of instrument would you use to look at cells?
a)
Telescope
b)
Giroscope
c)
Microscope
d)
None of the above
87.

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

a)

Bacteria

b)

Fungus

c)

Virus

d)

Protist

88.

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

89.

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

90.

WHAT IS MICROORGANISM?

a)

Microorganism are unicellular organisms belonging to the prokaryotic group where the organisms lack a few organelles and a true nucleus”.Also Read: Gram Negative Bacteria

b)

microorganism is genetic material contained within an organic particle that invades living cells and uses their host's metabolic processes to produce a new generation of viral particles.

c)

microorganism are microscopic, single-celled organisms that exist in their millions, Some microorganisms are harmful, but most serve a useful purpose. They support many forms of life, both plant and animal, and they are used in industrial and medicinal processes.

d)

microorganism are living organisms with a microscopic size and formed by its single cell. In addition, microorganism can be found in water, air, the body of plants and animals.

91.
A tiny, nonliving particle that invades and then reproduces inside a living cell.
a)
Bacteria
b)
Virus
c)
Protist
d)
Fungi
92.
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
93.
The diagram shows an animal cell. Which structure controls what enters and exits the cell?
a)
1
b)
2
c)
3
d)
4
94.
In which organelle is the DNA of the cell located?
a)
lysosome
b)
mitochondrion
c)
nucleus
d)
vacuole
95.

What is a organism?

a)

a living thing

b)

a non living piece of genetic code that is only able to multiply inside the cells of a living host

c)

a unicellular fungus that can be used to prepare some foods and drinks

d)

something that causes disease, such as a harmful bacteria or virus