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Characteristics of Life & Microorganisms

Total questions: 30

Worksheet time: 30mins

Name
Class
Date
1.
The scientific name for something living is a(an)
a)
organism
b)
cell
c)
tissue
d)
human
2.
All living things are composed of cells. 
a)
True
b)
False
3.
Multicellular means
a)
made of many cells
b)
made of one kind of cell
c)
made of only one cell
4.

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

a)

insect

b)

microorganism

c)

shrimp

d)

daisy

5.
Organisms, such as bacteria, are ______________ which means they consist of only a single cell.
a)
unicellular
b)
multicellular
c)
autotrophic
d)
heterotrophic
6.

Living things need energy to survive.

a)

True

b)

False

7.

When a baby kitten becomes an adult cat, this is an example of which characteristic of life?

a)

metabolism

b)

growth

c)

response to stimuli

d)

having cells

8.
Which of the following is NOT a characteristic shared by all living organisms?
a)
Ability to move
b)
Ability to grow and develop
c)
Made up of one or more cells
d)
Responds to stimuli
9.

This microorganism has whip-like FLAGELLA, that help them move.

a)

Virus

b)

Bacteria

c)

Algae

d)

Fungi

10.
______________ helps us  digest our food and they produce needed vitamins.
a)
Bacteria
b)
Fungi
c)
Protozoa
d)
Algae
11.
Yogurt and cheese  can be produced from ___________.
a)
Bacteria
b)
Virus
c)
Protozoa
d)
Algae
12.

Bacteria can be BOTH helpful and harmful.

a)

True

b)

False

13.

Which of the following is true for both bacteria and viruses?

a)

both contain genetic material

b)

can be killed using antibiotics

c)

have a cell membrane

d)

have a protein coat

14.

Which statement is true about viruses?

a)

Viruses can eat and metabolize food.

b)

Viruses can reproduce only using a host cell.

c)

Viruses can reproduce on their own at any time.

d)

Viruses contain DNA, so they are alive.

15.

One important way to control the spread of viruses in through

a)

the use of vaccines

b)

drinking a lot of tea

c)

the use of other types of bacteria

d)

the use of antibiotics

16.

Bacteria come in which of the following shapes?

a)

rod, cone, spiral

b)

rod, sphere, spiral

c)

rod, sphere, cone

d)

sphere, cone, spiral

17.

Can a virus be cured with antibiotics?

a)

yes

b)

no

18.
Which BEST compares bacteria and viruses?
a)
bacteria are smaller than viruses
b)
bacteria cause disease, but viruses do not
c)
bacteria are living organisms, but viruses are not
d)
bacteria have genetic material, but viruses do not
19.

Viruses have all 7 characteristics of life.

a)

True

b)

False

20.
Which system in our bodies fights infections?
a)
the digestive system
b)
the immune system
c)
the cardiovascular system
d)
all of the above
21.
Vaccines are made from
a)
dead or weakened viruses
b)
fungi
c)
allergens
d)
strong, active viruses
22.

Most bacteria reproduce asexually which is best described when....

a)

Two cells join to become one larger cell.

b)

One cell splits into two cells with identical genetic material (DNA).

c)

DNA material from the environment is added to the cell.

d)

Bacteria can only reproduce by sexual reproduction, not asexual reproduction.

23.

What is one of the steps viruses take to take over a host cell?

a)

They inject their own genetic material

b)

They eat the host cell

c)

The host cell eats them

d)

They cut a hole in the host cell, and send other viruses inside

24.

Sara has the flu. Her neighbor suggests she get a prescription for an antibiotic, but Sara's mothers says that antibiotics would not help in this situation. WHY?

a)

the flu is caused by a virus, and it cannot be treated with an antibiotic

b)

the flu is caused by a fungus, and it must be treated with anti-fungal medication

c)

the flu is caused by a parasitic worm, and must be treated with an anti-parasitic medication

d)

the flu is caused by bacteria, and it cannot be treated with an antibiotic

25.
cells with no nucleus are called
a)
prokaryotic
b)
eukaryotic
c)
dead
d)
alive
26.
Living things respond to heat, light, and sound.  This means they respond to:
a)
stimuli/ environment
b)
suction
c)
Dr. Suess
d)
digestion
27.
During ___________ conditions inside our body are kept stable (the same)
a)
homeopathic
b)
Homo sapian
c)
homeostasis
d)
homologous
28.
All of the following are characteristics of all living things EXCEPT
a)
Respond to stimulus
b)
Grow and develop
c)
maintain homeostasis
d)
Movement
29.

Fungi are decomposers meaning that they

a)

make energy through photosynthesis

b)

absorb energy from dead or decaying organisms

c)

break down after they die

d)

only eat other fungi

30.

The largest organism on Earth is

a)

Honey Fungus

b)

Dinosaurs

c)

Bacteria

d)

Megalodon