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B2 - Transport

Total questions: 23

Worksheet time: 16mins

Name
Class
Date
1.
The picture below is an example of _________________.
a)
osmosis
b)
isotonic
c)
diffusion
d)
active transport
2.
Permeable means
a)
things can pass through
b)
the concentration levels are different
c)
it is permanent
d)
things are stuck
3.
What is the definition of  Selective Permeability?
a)
The movement of materials across the cell membrane that requires NO ENERGY from the cell.
b)
The movement of materials through (or across) the cell membrane
c)
The ability of the cell membrane to allow some things to pass through while preventing other things from passing through.
d)
The movement of molecules from an area of high concentration to a area of low concentration 
4.
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
5.
_______ regulates what enters and leaves a cell.  
a)
Cell Membrane
b)
Nucleus
c)
Mitochondria
d)
Cytoplasm
6.
In the given scenario what will happen to the organism: salt is poured onto eggplant.
a)
Water will move out of the eggplant cells and the cells will shrink.
b)
Water will move out of the eggplant cells and the cells will swell.
c)
Water will move into the eggplant cells and the cells will swell.
7.
In the given scenario what will happen?  An egg is placed in pure water for 48 hours.
a)
The egg will gain water and swell.
b)
Water will move in and out of the cell equally, and the cell with neither shrink nor swell.
c)
The egg will lose water and shrink.
8.
Which way will the water molecules move during osmosis?
a)
Out of the cell, so the cell shrinks.
b)
Out of the cell, so the cell swells.
c)
Into the cell, so the cell shrinks.
d)
Into the cell, so the cell swells.
9.

Osmosis needs _____ energy.

a)

zero

b)

a lot of

c)

10 kilowatts

d)

some

10.

_____ is the amount of a given substance contained in a solution

a)

concentration

b)

equilibrium

c)

diffusion

d)

facilitated diffusion

11.

If the dots represent sugar, what direction will water flow?

a)

Into the cell

b)

Out of the cell

c)

Into and out equally (equilibrium)

12.

Which cell would water move into?

a)
b)
c)
d)
13.

The diagram represents two liquids separated by a membrane through which osmosis can occur. What movement of molecules will occur.

a)

Molecules of the dissolved substance move from left to right

b)

Molecules of dissolved substance move from right to left

c)

Overall, water molecules move from left to right

d)

Overall, water molecules move from right to left

14.

The diagram shows a plant cell before and after being placed in liquid X for 30 minutes, and an animal cell before and after being placed in liquid Y for 30 minutes. What describes liquids X and Y?

a)

X: Concentrated solution, Y: Concentrated solution

b)

X: Concentrated solution, Y: Pure water

c)

X: Pure water, Y: Concentrated solution

d)

X: Pure water, Y: Pure water

15.

Which diagram shows the appearance of a plant cell after it is placed in distilled water.

a)

A

b)

B

c)

C

d)

D

16.

Which diagram shows the appearance of a plant cell several minutes after it has been placed in a concentrated solution of sugar?

a)

A

b)

B

c)

C

d)

D

17.

The diagram shows a plant cell that has been placed in a concentrated solution for 30 minutes.What identifies X and Y?

a)

X: cell membrane, Y: air

b)

X: cell membrane, Y: concentrated solution

c)

X: cell wall, Y: air

d)

X: cell wall, Y: concentrated solution

18.

The diagram shows an experiment using a potato. Which shows the result after 24 hours?

a)

A

b)

B

c)

C

d)

D

19.

The diagram shows a freshly cut potato strip, a strip suspended in liquid X and one suspended in liquid Y. What identifies the liquids?

a)

X: Concentrated sugar solution, Y: very dilute sugar solution

b)

X: pure water, Y: dilute sugar solution

c)

X: Dilute sugar solution, Y: Concentrated sugar solution

d)

X: pure water, Y: concentrated sugar solution

20.

The diagram shows two solutions that are separated by a partially permeable membrane. In which direction will most water molecules move in relation to their concentration gradient?

a)

From X to Y against the water potential gradient

b)

From X to Y down the water potential gradient

c)

From Y to X against the water potential gradient

d)

From Y to X down the water potential gradient

21.

Which liquid has a higher water potential?

a)

A dilute sucrose solution

b)

A concentrated salt solution

c)

A concentrated sugar solution

d)

A very concentrated salt solution

22.

Which liquid has a lower water potential?

a)

Distilled water

b)

A dilute sugar solution

c)

A concentrated sugar solution

d)

A very concentrated sugar solution

23.

Two beakers contain 50 cm3 of water. Beaker A has 1 g of salt added to it. Beaker B has 2 g of salt added to it. Which statements correctly compare the beakers?

a)

Beaker A is more concentrated than beaker B

b)

Beaker A is less concentrated than beaker B

c)

Beaker A is more dilute than beaker B

d)

Beaker A has a higher water potential than beaker B

e)

Beaker A has a lower water potential than beaker B

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