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Cells in their Environment

Total questions: 22

Worksheet time: 16mins

Name
Class
Date
1.
What is diffusion?
a)
when molecules move 
b)
when molecules move from a high concentration to a low.
c)
no movement 
d)
molecules move everywhere
2.
Where is there a low concentration of dye?
a)
at the bottom of cup
b)
in the color
c)
at the top of cup 
d)
no concenteraion gradient
3.
The picture below is an example of _________________.
a)
osmosis
b)
isotonic
c)
diffusion
d)
active transport
4.
Osmosis is the movement of _____ across a membrane.
a)
food
b)
energy
c)
oxygen
d)
water
5.
Permeable means
a)
things can pass through
b)
the concentration levels are different
c)
it is permanent
d)
things are stuck
6.
When both inside and outside of a cell have the same amount of water it is said that the cell has reached a state of
a)
Osmosis
b)
Diffusion
c)
Equilibrium
7.

The diffusion of WATER through a semi-permeable membrane is called?

a)

Osmosis

b)

Cell wall

c)

Diffusion

d)

Respiration

8.
Where is there a low concentration of perfume?
a)
in the bottle
b)
on the hand
c)
in the room
d)
in the top
9.
The term used to describe when some molecules are able to pass through a membrane and others are not.
a)
Osmosis
b)
Diffusion
c)
Selective Permeability
d)
Equilibrium
10.
The function of the plasma membrane is....
a)
to regulate what enters and leaves the cell.
b)
fight bacteria and viruses that enter the cell.
c)
provide rigid support and protection to the cell.
d)
make sure each cell can move
11.

Hydrophobic means...

a)

water-loving

b)

water-fearing

c)

nonpolar

d)

lipid soluble

12.

Which plant would be stiff and rigid?

a)

A

b)

B

13.

Which plant would be wilted or limp?

a)

A

b)

B

14.

What is the force inside the central vacuole called?

a)

The Force

b)

Turgor Pressure

c)

Water Pressure

d)

Thigmotropism

15.

Which of the following prefixes means within or inside?

a)

Dors-

b)

Endo-

c)

Epi-

d)

Histo-

16.

Which of the following suffixes means cell?

a)

-blast

b)

-cele

c)

-clast

d)

-cyte

17.

Which of the following is the smallest structural and functional unit that can exist as a self-sustaining entity?

a)

Cell

b)

Atom

c)

Paticle

d)

Molecule

18.

The function of the cell membrane is to

a)

separate intracellular fluid from extracellular fluid

b)

transport proteins throughout the cell

c)

filter what enters the cell

d)

provide energy

19.

This organelle breaks down unneeded proteins and pathogens by engulfing and destroying them using digestive enzymes.

a)

Nucleus

b)

Lysosomes

c)

Mitochondria

d)

Endoplasmic reticulum

20.

Which is the process of killing large molecules by coating them with digestive enzymes and eating them

a)

Osmosis

b)

Filteration

c)

Diffusion

d)

Phagosytosis

21.
Endocytosis is defined as
a)
the movement of large molecules from the inside of the cell to the outisde of the cell using channel proteins. 
b)
the movement of large molecules from the inside of the cell to the outisde of the cell membrane vesciles. 
c)
 the movement of large molecules from the outside of the cell to the inside of the cell using membrane vesciles.
d)
the movement of large molecules from the outside of the cell to the inside of the cell using channel proteins. 
22.
Exocytosis is the movement of
a)
any type of substance from outside the cell to the inside of the cell. 
b)
very large substances from outside the cell to the inside of the cell. 
c)
any type of substance from inside the cell to the outside.
d)
very large substances from inside the cell to the outside.

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