wayground logo

Free Printable Worksheets

NEW

Font size

S
M
L
XL
Worksheets

NYS It's Alive

Total questions: 22

Worksheet time: 33mins

Name
Class
Date
1.
All living things are made up of...
a)
cells
b)
cell tissues
c)
organ
d)
organ systems
2.
All cells come from___________ cells.
a)
pregnant
b)
pre-existing
c)
paternal
d)
pin size
3.
Rocks are not living because
a)
they never move
b)
they aren't needed for humans
c)
they are not made of cells
d)
they don't break down
4.
what is a cell classified as?
a)
a basic unit of structure and function of all living organisms
b)
a unit based on only plants and animals that are living
5.
Why are microscopes important when studying most cells?
a)
Most cells are very large.
b)
Most cells are very small.  
c)
Most cells move very quickly.
d)
Most cells are dead.  
6.
All organisms are made of:
a)
organelles
b)
cytoplasm
c)
DNA
d)
cells
7.

What does unicellular mean?

a)

Many cells

b)

2 cells

c)

1 cell

d)

0 cells

8.

What is an organism?

a)

A dead animal

b)

A living thing

c)

A pencil

d)

A shoe

9.

Which of the following is a single-celled organism?

a)

Dog

b)

Snail

c)

Amoeba

d)

hat

10.

Select a unicellular organism?

a)

Bacteria

b)

Tree

c)

Flower

d)

Frog

11.

Select the unicellular organisms that produce their own food. (They are also classified as producers/plants)

a)

Euglena and algae

b)

Bacteria and snail

c)

Tree and paramecium

d)

Flower and algae

12.

What makes unicellular organisms unique and simple?

a)

They can do all life process as one cell.

b)

They can fly and eat at Zaxby’s.

c)

They can survive working with other single-celled organisms.

13.

Why do multicellular organisms need so many cells?

a)

They need specialized cells to survive. Specialized cells perform a specific job/function.

b)

They need many cells to all do the same job/function.

c)

They need many cells to have a dancing cell party.

14.

What is the difference between multi-celled and single-celled’s organisms?

a)

Single-celled organisms are “simple” and multi-celled organisms are “crazy.”

b)

Single-celled organisms are “super” and multi-celled organisms are “complex.”

c)

Single-celled organisms are “simple” and multi-celled organisms are “complex.”

15.

True or False:


Single-celled organisms are able to live as one cell, and multi-celled organisms need many cells to live because each cell has specialized job.

a)

True

b)

False

16.

How do bacteria control their life processes/basic functions?

a)

Bacteria control their life processes within multi-­cells.

b)

Bacteria control their life processes within a single-cell.

c)

Bacteria work with other cells to control all their life processes.

17.

Which best explains why both cats and humans are multicellular organisms?

a)

They get energy from many food sources.

b)

They get energy from a single food source.

c)

They need many different types of cells working together to meet their basic needs.

18.
Which best explains why humans are multicellular organisms?
a)
Human cells are too small to function alone.
b)
Human cells join together to form one large cell.
c)
Humans need many cells to carry out life processes.
d)
Humans have many systems that perform the same function.
19.
Molly is reading a book in science class. She reads one sentence that says, “This organism is capable of surviving as a single cell.” Which organism is she most likely reading about?
a)
amoeba
b)
flower
c)
mushroom
d)
insect
20.
How are algae able to survive?
a)
The algae get energy from other algae.
b)
The algae do not require energy to survive.
c)
The single cell controls all the algae’s life processes.
d)
Other multi-celled organisms provide food for the algae.
21.
Why do humans require many different types of cells to survive?
a)
Human cells are identical and work together to perform the same function.
b)
Human cells are specialized and work together to perform the same function.
c)
Human cells are identical and work independently to perform different functions.
d)
Human cells are specialized and work independently to perform different functions.
22.
Which best explains why both cats and humans are multicellular organisms?
a)
They get energy from many food sources.
b)
They get energy from a single food source.
c)
They need only one cell to meet their basic needs.
d)
They need many cells working together to meet their basic needs.