Wayground logo

Free Printable Worksheets

Font size

S
M
L
XL
Worksheets

U3: Homeostasis

Total questions: 78

Worksheet time: 1hrs 10mins

Name
Class
Date
1.

The difference in the solute concentration inside of and outside of a cell is called...

a)

diffusion

b)

osmosis

c)

a concentration gradient

d)

passive transport

2.

When looking at the lipid bilayer, which part repels water?

a)

the inner part of the bilayer

b)

the outer part of the bilayer

c)

the tips of the bilayer

d)

the ends of the bilayer

3.

What is diffusion?

a)

Process by which molecules move from areas of lower concentration to areas of Higher concentration

b)

Process by which molecules move from areas of lower concentration to areas of higher concentration with the help of a membrane.

c)

Process by which molecules move from areas of higher concentration to areas of lower concentration.

d)

Process by which molecules move from areas of higher concentration to areas of lower concentration with the help of a membrane

4.

Which part of the phospholipid is hydrophobic?

a)

Phosphate Head

b)

Glycerol

c)

Fatty Acid Tail

d)

All of it

5.

What type of membrane protein is shown here?

a)

Transport

b)

Recognition

c)

Receptor

d)

Pump

6.

An onion cell was placed in freshwater, 100% water. What will happen?

a)

Water will leave the onion cell

b)

Water will neither go out nor into the cell

c)

Water will enter the onion cell

d)

Water will go out and into the cell at the same rate

7.

Most of the cell membrane is made of...

a)

Phospholipids

b)

Carbohydrates

c)

Proteins

d)

Nucleic acids

8.
In which direction will these molecules diffuse?
a)
from right to left
b)
from left to right
c)
they will not move at all
d)
they will move in both directions equally
9.

Here is the chemical formula for glucose: C6H12O6. How many atoms of oxygen are in one molecule of glucose?

a)

O

b)

6

c)

12

d)

24

10.
What is a substance that is dissolved in another substance? 
a)
solution
b)
solute
c)
solvent
d)
compound
11.
Kool-Aid - Powder, sugar, and water
Identify the solvent 
a)
water
b)
powder
c)
sugar
d)
powder and sugar
12.

How much water is inside the cell?

a)

1%

b)

3%

c)

97%

d)

99%

e)

100%

13.

Salt cannot permeate the membrane, but water can. What will happen to this cell?

a)

It will shrink in size due to water leaving the cell.

b)

It will increase in size due to water entering the cell.

c)

There will be no change in cell size since water will enter and exit the cell at the same rate.

d)

It will increase in size due to salt entering the cell.

14.

What is the evidence from the image to support the claim that the membrane is semipermeable?

a)

There are two different molecules present in both the image on the left and the image on the right.

b)

The red molecules diffused across the membrane but the pink molecules did not.

c)

Both types of molecules are on the left side of the membrane in the first image.

d)

There are little breaks or pores in the membrane in the image on the right.

15.

What does permeable mean?

a)

it allows stuff to move through the membrane

b)

it does not allows stuff to move through the membrane

c)

it stays the same shape

d)

stays the same color

16.

What does impermeable mean?

a)

it allows stuff to move through the membrane

b)

it does not allow stuff to move through the membrane

c)

stays the same shape

d)

stays the same color

17.

According to the lab. The baggie was___________ to iodine

a)

permeable

b)

impermeable

c)

polar

d)

non polar

18.

When looking at the cell membrane, where are the phospholipid heads located?

a)

Floating between bilayer levels

b)

Outer part of the bilayer

c)

Inner part of the bilayer

d)

Located at different parts throughout the bilayer

19.

The function of the cell 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

20.

Which of the following correctly describes hydrophobic and hydrophilic regions of the cellular membrane?

a)

The hydrophobic region is made of phosphates, and the hydrophilic region is made of lipids.

b)

The hydrophobic region is 'water-loving', and the hydrophilic region is 'water-fearing'.

c)

The hydrophobic region is polar, and the hydrophilic region is non-polar.

d)

The hydrophobic region faces inward in the interior of the membrane, the hydrophilic region faces outwards towards the aqueous environment.

21.

Which of the following would need assistance moving through the plasma membrane?

a)

Nitrogen gas (N2)

nonpolar

b)

Oxygen gas (O2)

nonpolar

c)

Carbon dioxide gas (CO2)

nonpolar

d)

Water (H2O)

polar

22.

What protects the PLANT CELL from the outside environment?

a)

Cell Wall

b)

Cyctoplasm

c)

Mitochondria

d)

Cell Membrane

23.

What type of cell does chloroplast belong in?

a)

Plant Only

b)

Both Plant and Animal

c)

Animal Only

24.

What type of cell does a cell membrane belong in?

a)

Plant Only

b)

Animal Only

c)

Both Plant and animal

25.

What type of cell does the cytoplasm belong in?

a)

Plant Cell Only

b)

Animal Cell Only

c)

Plant and Animal Cell

26.
How does the concentration gradient affect diffusion?
a)
The greater the concentration difference the faster the rate
b)
The smaller the concentration difference the faster the rate
c)
The greater the concentration the slower the rate
27.
How does surface area affect the rate of diffusion?
a)
Greater the surface area the slower the rate 
b)
Greater the surface area the faster the rate
c)
Smaller the surface area the faster the rate
d)
Surface area does not affect diffusion
28.

How does increasing temperature affect the rate of diffusion?

a)

molecules move in orderly manner

b)

Gives molecules more energy increasing the rate

c)

Takes energy away from molecules slowing down the rate

d)

collision of molecules slows down

29.
Why is diffusion important?
a)
Molecules need to be moved out of cells
b)
Cells need a constant supply of some molecules whilst getting rid of others
c)
There is no other way of transporting things in or out of a cell
d)
It requires energy which is always being produced and needs to be used up
30.

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

31.

There are 24 molecules inside this cell. AFTER diffusion, how many molecules would be inside and how many would be outside?

a)

There would be 12 inside and 12 outside

b)

There would be 0 inside and 24 outside

c)

The cell will stay the same with 24 inside

d)

There will be 20 inside and 4 outside

32.

Why does the tea move out of the tea bag and into the water?

a)

The warm water forces it out of the tea bag

b)

There is equal concentration of water and tea

c)

There is a higher concentration of tea in the bag and less in the water

d)

There is a lower concentration of tea in the bag and more in the water

33.

Diffusion can occur in solids, liquids and gaseous materials

a)

True

b)

False

34.

Which of the following factors does NOT have a direct influence on the rate of diffusion?

a)

Molecule size

b)

Temperature

c)

Color

d)

Concentration

35.
Which diagram best shows the end result of diffusion?
a)
F
b)
G
c)
H
d)
J
36.
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 
37.

Diffusion occurs only in solids

a)

True

b)

False

38.
An increase in temperature does what to diffusion?
a)
Speeds it up
b)
Slows it down
c)
Has no effect
d)
I wish i knew. Really I do.
39.

What factors determine whether or not a molecule can diffuse across a semi-permeable membrane?

a)

concentration gradient, size, charge

b)

temperature, agitation, time

c)

size of the cube, time, temperature

d)

iodine, starch, water

40.

How many atoms of carbon are there in a molecule of lysine? C6H14N2O2

(a)  

41.

How many atoms of carbon are there in a molecule of lysine? C6H14N2O2

(a)  

42.
What is a solute?
a)
The substance that does the dissolving in a solution.
b)
The substance that is dissolved into the solution.
c)
The mixing of different substances.
d)
The process in which neutral molecules lose or gain electrons
43.

Fish breathe oxygen, which is dissolved in water. Is the oxygen the fish breathe considered to be the solute or solvent?

a)

Solute

b)

Solvent

44.

Vinegar is a solution that is made up of acetic acid dissolved in water. Which part of the solution is the solute?

a)

water

b)

acetic acid

45.
Research question: does the distance a person kicks a soccer ball effect how well they will do on their math test.  What is the dependent variable?
a)
How far they kick the soccer ball
b)
who the person is
c)
how well they do on the math test
d)
Type of soccer ball.
46.
Molly investigated if the age of students caused them to be better drivers. What is the independent variable?
a)
Type of car
b)
Skill of driving
c)
Age of student
47.
On a graph, which axis shows the dependent variable?
a)
x-axis
b)
y-axis
c)
neither
d)
it changes
48.
Name the INDEPENDENT variable from the table below.
a)
words
b)
minutes
49.
a)
the independent variable is distance
b)
the independent variable is d=25 t
c)
the dependent variable is time
d)
the dependent variable is distance
50.
What is the total magnification of a microscope with two lenses when one lens has a magnification of 10x, and the other lens has a magnification of 30x?
a)
15x
b)
30x
c)
40x
d)
300x
51.
When you focus on a new specimen, always begin with
a)
low power and coarse adjustment.
b)
low power and fine adjustment
c)
high power and coarse adjustment
d)
high power and fine adjustment
52.
If your teacher asks you to move a microscope to table, how do you carry it?
a)
by the body tube and the eyepiece
b)
with one hand
c)
one hand on the arm and the other under the base
d)
with one hand on the base and the other on the eyepiece.
53.
Which part of the microscope controls the amount of light available?
a)
coarse adjustment knob
b)
diaphragm
c)
objective lens
d)
revolving nosepiece
54.
Which part lets you turn up the power of magnification, such increasing from 40x to 100x?
a)
coarse adjustment knob
b)
diaphragm
c)
field-of-view
d)
revolving nosepiece
55.

Which comes first?

a)

Put the prepared slide on the stage under the clips

b)

Use the coarse focus knob to raise the stage

56.

You are using a 12% iodine solution in class. How much solvent is in the solution?

a)

12% iodine

b)

12% water

c)

100% iodine

d)

88% water

57.

A cell with a semi-permeable membrane contains a 6% glucose solution. The environment is a 12% glucose solution. What will happen to the cell?

a)

The cell will increase in size because of glucose diffusing into the cell. (12% > 6%)

b)

The cell will decrease in size because of water diffusing out of the cell. (94% > 88%)

c)

The cell will not change in size because glucose cannot fit through the cell membrane.

58.
Molecules naturally move from areas of _______ to ______ concentration.
a)
lower to higher
b)
higher to lower
59.
The maintenance of an organism’s internal environment is called:
a)
compensating
b)
homeostasis
c)
balancing
d)
routine
60.
Homeostasis
a)
allows for a wildly fluctuating internal environment
b)
is impossible in vertebrates
c)
is the maintenance of a relatively stable internal environment and often incorporates a form of feedback regulation
d)
is the maintenance of a relatively stable external environment and often incorporates a form of feedback regulation
61.
If the environment gets cold, we will often shiver in order to:
a)
keep body temperature the same as the external temperature
b)
decrease body temperature
c)
increase body temperature
d)
regulate blood pressure
62.
What is another word that can be used to describe "homeostasis"?
a)
STABLE
b)
EQUAL
c)
COMPLETE
d)
CORRECT
63.

which organ will balance the glucose level in the blood by releasing hormones like insulin or glucagon?

a)

Stomach

b)

Small intensine

c)

large intestine

d)

Pancreas

64.

Which hormone is released when blood sugar gets too high?

a)

glucose

b)

glucagon

c)

glycogen

d)

insulin

65.

Which of the following correctly pairs the hormone and the response that it causes

a)

Glucagon - makes body cells take in glucose

b)

Insulin - makes body cells take in glucose

c)

Pancreas - makes liver release stored glucagon

d)

Liver - makes pancreas take in stored insulin

66.

This graph shows an example of...

a)

Blood sugar regulation

b)

Homeostasis

c)

Negative feedback

d)

Positive feedback

67.

According to this graph, what is the person doing during the event (blue region)

a)

Eating

b)

Exercising

c)

Type 1 Diabetes

d)

Type 2 Diaibetes

68.

What is true about the person this graph is about?

a)

They are eating and healthy

b)

They are exercising and healthy

c)

They are eating and unhealthy

d)

They are exercising and unhealthy

69.

What is the difference between type 1 and type 2 diabetes?

a)

People with Type 1 make more insulin than people with Type 2

b)

People with Type 1 don't make insulin and people with Type 2 don't make glucagon

c)

People with Type 1 make ineffective glucagon, people with Type 2 make ineffective insulin

d)

People with Type 1 don't make insulin, people with Type 2 make ineffective insulin

70.
The "cause" for something to happen is the
a)
response
b)
effect
c)
stimulus
d)
homeostasis
71.
The "effect" of a given stimulus is the...
a)
response
b)
stimulus
c)
cause
d)
result
72.

When you are hot, your body sweats to cool you down. This means your temperature went above normal and your body sweats to counteract that change to bring you back to normal. What kind of feedback loop would this be?

a)

Negative Feedback Loop

b)

Positive Feedback Loop

c)

Neutral Feedback Loop

d)

Linear Feedback Loop

73.

This is the name of the simple sugar that is found in your blood?

a)

water

b)

glucose

c)

sodium

d)

sugar

74.
Negative Feedback Loops:
a)
amplify processes
b)
prevent small changes from getting larger
c)
are initiated during childbirth
d)
are found only in plants
75.

How many atoms are in this molecule: H2CO3

a)

3

b)

4

c)

5

d)

6

76.

How many atoms are in this molecule? KMnO4

a)

4

b)

5

c)

6

d)

7

77.

True or False: The dialysis tubing is selectively permeable because some glucose diffused into it but other glucose molecules did not and were still found in the beaker (tested positive with the Benedict's test.)

a)

True

b)

False

78.

Claim: Iodine diffused into the baggie.

Which of the following is evidence to support this claim?

a)

There was a concentration gradient so iodine diffused into the baggie.

b)

The starch solution in the baggie was whitish, clear but turned blue-black when iodine diffused into the baggie.

c)

Iodine is a small molecule and can fit through the tiny pores in the baggie.

d)

Starch is a large molecule and didn't diffuse along the concentration gradient even though it was present.

Similar Resources on Wayground

Biology Midterm Review Units 1-3

78 questions

Biology Midterm Review Units 1-3

quiz

Worksheet

•

9th - 10th Grade

Biology Final Exam Review Game

80 questions

Biology Final Exam Review Game

quiz

Worksheet

•

9th - 12th Grade

Protein Synthesis

76 questions

Protein Synthesis

quiz

Worksheet

•

9th - 10th Grade

Evolution and Classification Review

75 questions

Evolution and Classification Review

quiz

Worksheet

•

9th - 12th Grade

DNA-- RNA--Protein

81 questions

DNA-- RNA--Protein

quiz

Worksheet

•

6th - 10th Grade

Biology Reporting Category 2 AE

80 questions

Biology Reporting Category 2 AE

quiz

Worksheet

•

9th - 10th Grade

PBS 2.2.1-2.2.2

74 questions

PBS 2.2.1-2.2.2

quiz

Worksheet

•

9th - 12th Grade