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GRADE 6. CELLS

Total questions: 60

Worksheet time: 1hrs 22mins

Name
Class
Date
1.

A cell is...

a)

the basic unit of structure and function in living organism

b)

an organism

c)

a basic part of everything that we see

d)

found only in animals, not plants

2.
The nucleus is like the ____________ of the cell.
a)
foot
b)
hand
c)
stomach
d)
brain
3.

Which of the following are NOT found in animal cells?

a)

chloroplasts and cytoplasm

b)

chloroplasts and cell wall

c)

cell wall and cell membrane

d)

cell wall and nucleus

4.

The jelly-like fluid part that surrounds the other parts in the plant and animal cells is called _____.

a)

chloroplast

b)

cytoplasm

c)

vacuole

d)

cell wall

5.

What do sap vacuoles do?

a)

They give the cells their shape.

b)

They protect the cell.

c)

They are the brain of the cell.

d)

They are used for storage.

6.

Which part of cells helps plants with the process of photosynthesis (to make food)?

a)

Vacuole

b)

Mitochondria

c)

Cytoplasm

d)

Chloroplast

7.
If you were some bad guy trying to sneak into an animal cell, who would be there to stop you?
a)
nucleus
b)
mitochondria
c)
cell membrane
d)
cell wall
8.

A large vacuole is found in a/an _____ cell.

a)

animal

b)

plant

c)

both plant and animal

d)

none of them

9.

Identify the structure that is indicated by the arrow in the image.

a)

cell wall

b)

sap vacuole

c)

chloroplast

d)

nucleus

10.

The arrow is showing the fluid inside the cell that surrounds the other parts. What is the arrow pointing to in the cell?

a)

cytoplasm

b)

cell membrane

c)

chloroplast

d)

nucleus

11.

Which part is strong, stiff and gives the cell a rigid, box-like shape?

a)

cytoplasm

b)

chloroplasts

c)

cell wall

d)

cell membrane

12.

Which structure is found in plant cells and not in animal cells?

a)

cell wall

b)

cell membrane

c)

nucleus

d)

cytoplasm

13.
I am the outer most layer of an animal cell. What am I?
a)
cell wall
b)
nucleus
c)
cell membrane 
d)
cell skin
14.

I am only found in a plant cell. What am I?

a)

cell wall

b)

vacuole

c)

cytoplasm

d)

chloroplast

15.

All things are made of cells.

a)

True

b)

False

16.
The main function of chloroplasts is:
a)
To control what enters and leaves the cell.
b)
To break down food to release energy for the cell.
c)
To control all activities of the cell.
d)
To produce food for the cell using the sun's energy.
17.
Animal cells have_______________.
a)
cell walls
b)
chloroplasts
c)
cytoplasm
d)
large vacuoles
18.
Michael looked at a cell through a microscope.  He identified a nucleus, chloroplast, and cytoplasm.  What kind of cell did Michael observe?
a)
animal
b)
plant
c)
bacteria
19.
Which piece of equipment is the best to use to observe the structure of a cell?
a)
magnifying glass
b)
binoculars
c)
telescope
d)
microscope
20.
A rigid layer that lies outside the cell's  membrane is...
a)
Cytoplasm
b)
Cell membrane
c)
Cell Wall
d)
Flagella
21.
a)
found only in plants
b)
contains chlorophyll
c)
produces energy
22.

surrounds the cell; thin and flexible; regulates what enters/leaves cell

a)

sap vacuole

b)
cell wall
c)
cell membrane
d)

cytoplasm

23.
Which of these are characteristics of most cells?
a)
make their own food
b)
can only be seen using a microscope
c)
they all have a cell wall
d)
they are found only in humans
24.
Four students examined the cells and made the following observations: 
Student 1: Cell 1 is a plant cell because it has a cell wall
Student 2: Cell 2 is an animal cell because it has a nucleus
Student 3: Cell 1 is a plant cell because it has chloroplasts
Student 4: Cell 2 is an animal cell because it has a cell membrane
Who is correct?
a)
Student 1 and Student 2
b)
Student 2 and Student 3
c)
Student 1 and Student 3
d)
Student 2 and Student 4
25.
Chloroplasts in plant cells allow the plant to perform a function that animal cells cannot do.  What is the main function of the chloroplasts found in plant cells?
a)
to absorb light energy and manufacture food
b)
to remove waste materials by active transport
c)
to manufacture chemical energy from food
d)
to control the shape of the cell
26.
What is the function of a cell wall?
a)
to protect and support the cell
b)
to perform different functions in each cell
c)
to prevent water from passing through it
d)
to prevent oxygen from entering the cell
27.
What is the function of the cell nucleus found in both plant and animal cells?
a)
to produce energy
b)
to control cell activity
c)
to remove waste products
d)
to allow molecules to enter the cell
28.

Which of the following shows the levels of organization in order from simple to complex?

a)

1. Cell

2. Tissue

3. Organ

4. Organ System

5. Organism

b)

1. Cell

2. Tissue

3. Organelle

4. Organ

5. Organ System

c)

1. Tissue

2. Organelle

3. Cell

4. Organ

5. Organism

d)

1. Organ

2. Tissue

3. Cell

4. Organism

5. Organ System

29.

Cells combine to form...

a)

tissue

b)

organs

c)

organ systems

d)

organisms

30.

Tissues combine to form...

a)

cells

b)

organs

c)

organ systems

d)

organelles

31.

Organs combine to form...

a)

organ systems

b)

organs

c)

tissues

d)

organisms

32.

Organ systems combine to form...

a)

cells

b)

tissues

c)

organs

d)

organisms

33.

Which level of organization is the smallest and simplest?

a)

Cell

b)

Tissue

c)

Organ

d)

Organ System

e)

Organisms

34.

Which level of organization is the largest and most complex?

a)

Cell

b)

Tissue

c)

Organ

d)

Organ System

e)

Organism

35.

Organs that work together are part of a(n) ________________________.

a)

cells

b)

tissue

c)

organ system

36.

Group of organs with similar functions.

a)

Organism

b)

Cell

c)

Organ

d)

System

37.

Group of tissues with similar functions.

a)

Organelles

b)

Cells

c)

Tissues

d)

Organs

38.
Use this diagram of living systems to answer this question. Which figure is 4?
a)
an organ
b)
an organ complex
c)
an organ group
d)
an organ system
39.

This picture represents which of the levels of organization?

a)

tissue

b)

organism

c)

organ

d)

organ system

40.

A group of tissues that work together is a(n) ______________________.

a)

cell

b)

organ

c)

organ system

41.

What is a group of cells that are alike and work together?

a)

a cell team

b)

a tissue

c)

a cell family

42.
Use this diagram of living systems to answer this question. Which figure is a tissue?
a)
1
b)
2
c)
1 & 2
d)
1 & 3
43.

Which type of specialized cell carries oxygen from the lungs all over the body?

a)

red blood cells

b)

skin cells

c)

muscle cells

d)

white blood cells (macrophages)

e)

nerve cells (neurons)

44.

Which type of specialized cell carries electrical signals through the body to the brain?

a)

red blood cells

b)

squamous (skin) cells

c)

muscle cells

d)

white blood cells (macrophages)

e)

nerve cells (neurons)

45.

Why would some cells contain more mitochondria than others?

a)

They need more oxygen

b)

They require more energy

c)

They are bigger

d)

They wouldn't; all cells contain the same amount of mitochondria

46.

Red blood cells have a disk-shape with a lot of surface area.

a)

This statement describes a STRUCTURE.

b)

This statement describes a FUNCTION.

47.

Red blood cells deliver oxygen to every part of the body.

a)

This statement describes a STRUCTURE.

b)

This statement describes a FUNCTION.

48.

What is the function of nerve cells?

a)

They are long and have finger-like projections.

b)

Transport oxygen throughout the body.

c)

Control DNA expression.

d)

Transmit electrical signals to different parts of the body.

49.

How does the neuron's form or shape help it perform its function?

a)

It is round and disc like to carry plenty of oxygen.

b)

It is cylindrical in order to stretch and relax.

c)

It has axon and dendrite which help to collect and let electrical signals travel very quickly.

d)

It is flat so that gases can pass across easily.

50.

Which type of specialized cell has long and thin extension that allows water to move easily from soil and large vacuole to store water?

a)

ciliated cells

b)

palisade cells

c)

neurones

d)

red blood cells

e)

root hair cells

51.

Which type of specialized cell has tiny threads along one edge which sweep mucus and stop them going to your lungs?

a)

ciliated cells

b)

palisade cells

c)

neurones

d)

red blood cells

e)

root hair cells

52.
This specialized cell does not contain a nucleus to allow for transport of oxygen
a)
Nerve Cell
b)
Red Blood Cell
c)
White Blood Cell
d)
Palisade cell
53.
This is a example of ........
a)
cell
b)
tissue
c)
organ 
d)
organ system
54.
This is a example of ........
a)
cell
b)
organ system
c)
organ
d)
tissue
55.
This is a example of ........
a)
organ
b)
organ system
c)
tissue
d)
cell
56.

What is the structure of red blood cells?

a)

Disc-shaped with no nucleus

b)

Tapered at each end

c)

Long and cylindrical

d)

Branched with intercalated discs

57.
This is a green pigment found in plants. 
a)
Chloroplasts
b)
Chlorophyll
c)
Cytoplasm
d)

Mitochondrion

58.
These specialized cells contain a large number of chloroplasts for absorbing light
a)

Nerve Cells

b)

Palisade Cells

c)

Smooth Muscle Cells

d)

Chlorophyll

59.

Which of these pictures shows plant cells under a microscope?

a)
A
b)
B
c)
C
d)
D
60.
The picture shows a cell. Which correctly identifies the structures in the cell?
a)
W-chloroplast
X-cell wall
Y-cytoplasm
Z-nucleus
b)
W-cell wall
x-nucleus
Y-cytoplasm
Z-Chloroplast
c)
w-cytoplasm
x-nucleus
Y-cell wall
Z-chloroplast
d)
W-cytoplasm
X-chloroplast
Y-cell wall
Z-nucleus