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B7 Exchange and Transport SYI

Total questions: 67

Worksheet time: 1hrs 25mins

Name
Class
Date
1.
Diffusion is the movement of molecules from an area of _____ concentration to an ______ concentration
a)
High, low
b)
Low, high
c)
Low, low,
d)
High, high
2.
In diffusion, particles move down a _______ ________
a)
Concentrate gradient
b)
Conceited gradient
c)
Concentration gradient 
d)
Concentrated orange juice
3.

What is DIFFUSION?

a)
b)
c)
d)
4.

Which is the correct equation for aerobic respiration in humans?

a)

Glucose + Oxygen -> Carbon Dioxide + Water

b)

Glucose + Oxygen -> Carbon Dioxide

c)

Glucose -> Carbon Dioxide + Water

d)

Glucose -> Lactic Acid

5.

What is the process of respiration?

a)

Breathing

b)

The release of energy from food

c)

Inhalation

d)

Oxygen transfer

6.

Where the exchange of gases actually occur?

a)

Bronchi

b)

Trachea

c)

Oxygen

d)

Alveoli

7.

What is the muscle under the lungs called?

a)

Intercostal

b)

Diaphragm

c)

Bronchus

d)

Cardiac

8.

The way gases move between the capillaries and alveoli is called...?

a)

Osmosis

b)

Diffusion

c)

Atmosphere

d)

Pressure

9.

What gas do we breath out as waste?

a)

Nitrogen

b)

Oxygen

c)

Hydrogen

d)

Carbon Dioxide

10.

The (a)   are tubes that connect the trachea to the lungs

11.

As you breathe out, what does your diaphragm do?

a)

Relax

b)

Contract

12.

Which of these are adaptations of alveoli?

a)

Long, finger-like structure increases surface area

b)

The membrane is only one cell thick which means gases have a short diffusion distance

c)

Lots of tiny capillaries so gases can pass easily into the blood stream

d)

Moist

e)

Lots of enzymes so there are tiny molecules suitable for diffusion

13.
Label A is...
a)
Trachea
b)
Diagphragm
c)
Bronchus
d)
Alveolus
14.
Label B is...
a)
Trachea
b)
Diagphragm
c)
Bronchus
d)
Alveolus
15.
Label C is...
a)
Trachea
b)
Diagphragm
c)
Bronchus
d)
Alveolus
16.
Label D is...
a)
Trachea
b)
Diagphragm
c)
Bronchus
d)
Alveolus
17.

Given the following structures:

1. alveoli

2. bronchi

3. bronchioles

Which of the following is the correct order in which air would flow after inhalation?

a)

1,2,3

b)

2,1,3

c)

2,3,1

d)

3,2,1

18.

Respiration takes place in

a)

the cells

b)

the lungs

c)

the heart

d)

the brain

19.

Which organism would have the smallest SA:V

a)

mouse

b)

human

c)

bacteria

d)

ameoba

20.

Which type of blood vessel carries blood away from the heart?

a)

Capillary

b)

Vein

c)

Artery

d)

Venule

21.

What is the name of the network of tiny blood vessels called?

a)

Veins

b)

Arteries

c)

Capillaries

d)

Vessels

22.

The gas which the body exhales as waste is called...

a)

carbon dioxide

b)

argon

c)

oxygen

d)

nitrogen

23.

Which of these is a way in which alveoli are adapted to work well?

a)

They are very large

b)

They have thick walls

c)

They have thin walls

d)

There are only a few of them

24.
Which cells are more efficient at obtaining nutrients?
a)
Small Cells
b)
Medium Size Cells
c)
Large Cells
d)
X-Large Cells
25.
What is the relationship between the cell size and the cell nutrient absorption rate?
a)
The smaller the cell size the less nutrients are absorbed
b)
The larger the cell size the more nutrients are absorbed
c)
The smaller the cell size the more nutrients are absorbed
d)
The relationship between cell size and nutrient absorption rate cannot be determined
26.
Microvilli are tiny projections that extend off the cell to increase the Surface Area.  What purpose might that serve? 
a)
Increased absorption
b)
Better communication among cells
c)
Maintain homeostasis 
d)
Decreased oxygen use
27.

What is the purpose of specialized exchange surfaces in humans?

a)

To increase the surface area to volume ratio

b)

To decrease the surface area to volume ratio

c)

To increase the volume

d)

To decrease the volume

28.

What is the purpose of transport systems in humans?

a)

To increase the surface area to volume ratio

b)

To decrease the surface area to volume ratio

c)

To increase the volume

d)

To transport substances to the parts of the body that need them

29.

What is the effect of diffusion distances on larger organisms?

a)

Diffusion becomes faster

b)

Diffusion becomes slower

c)

Diffusion remains the same

d)

Diffusion stops

30.

Why do larger organisms need transport systems?

a)

To increase the surface area to volume ratio

b)

To decrease the surface area to volume ratio

c)

To increase the volume

d)

To transport substances to the parts of the body that need them

31.

What are specialized exchange surfaces in plants?

a)

Roots and leaves

b)

Heart and blood vessels

c)

Alveoli and villi

d)

Phloem and xylem

32.

What is the surface area to volume ratio?

a)

The measure of how big the surface area is compared to the volume

b)

The measure of how big the volume is compared to the surface area

c)

The measure of how big the length is compared to the width

d)

The measure of how big the height is compared to the width

33.

Why do small organisms like bacteria rely on diffusion through their surface to exchange substances?

a)

Because they have a high surface area to volume ratio

b)

Because they have a low surface area to volume ratio

c)

Because they have specialized exchange surfaces

d)

Because they have transport systems

34.

Protease enzymes break down protein into...

a)

Fatty Acids

b)

Amino Acids

c)

Stomach Acid

d)

Muscles

35.

Which theory allows us to understand how enzymes work?

a)

Chewing

b)

Lock and Key

c)

Open Door

d)

Door and House

36.

Fats are broken down by lipase into...

a)

Glycerol and Fatty Acids

b)

Lard

c)

Amino Acids

d)

Starch

37.
Based on the graph, what is the optimal temperature for this enzyme? 
a)
15oC
b)
40oC
c)
30oC
d)
35oC
38.
Which of the following conclusions can be drawn from this graph?
a)
The optimum pH of the enzyme is 6.6.
b)
The optimum pH of the enzyme is 5.8
c)
The enzyme’s activity increases as pH increases 5.0 to 9.0
d)
The enzyme’s activity is greater around pH of 8.0 .
39.
The graph shows how the activity of an enzyme changes over a range of pH values. Which of the following conclusions can be drawn from this graph?
a)
pepsin works best at a pH near 2
b)
pepsin works best at a pH of 9
40.
Which substrate would this enzyme catalyze?
a)
Δ
b)
σ
c)
∅
d)
μ
41.
What makes an enzyme substrate specific?
a)
Size
b)
Shape
c)
Name
d)
Location it is found in
42.
Enzymes need certain environmental conditions in order to function properly.  What happens when enzymes are heated to a high temperature?
a)
they die
b)
they denature
c)
they change their amino acid sequence
d)
they work better
43.
What is the purpose  of an enzyme?
a)
give permission for the reaction
b)
raise activation energy
c)
speed up reactions
d)
control how many reactions occur
44.

Which letter represents the Product ?

a)

B

b)

C

c)

D

d)

E

45.

Which letter represents the substrate?

a)

A

b)

B

46.

Which letter represents the enzyme?

a)

A

b)

B

47.

This organ pumps blood through your body.

a)

heart

b)

artery

c)

vein

d)

capillaries

48.

These blood vessels take oxygenated blood to the body cells.

a)

heart

b)

artery

c)

vein

d)

capillary

49.

These blood vessels carry deoxygenated blood to the lungs.

a)

heart

b)

capillaries

c)

veins

d)

arteries

50.

Small blood vessels that diffuse oxygen, carbon dioxide, and nutrients.

a)

heart

b)

arteries

c)

veins

d)

capillaries

51.
The heart has ___ chambers.
a)
1
b)
2
c)
3
d)
4
52.
What does blood do?
a)
Carries Water to cells
b)
Carries Oxygen to cells
c)
Carries Food to cells
d)
All of the above 
53.
Carbon dioxide is considered a _________________
a)
food
b)
waste
c)
energy
d)
fun party favor
54.
Identify
a)
Left atrium
b)
Right atrium
c)
Left ventricle
d)
Right ventricle
55.
Identify
a)
Left atrium
b)
Right atrium
c)
Left ventricle
d)
Right ventricle
56.
Identify
a)
Left atrium
b)
Right atrium
c)
Left ventricle
d)
Right ventricle
57.
The lower chambers of the heart are known as...
a)
valves
b)
ventricles
c)
atria
d)
septum
58.
What is pulmonary circulation?
a)
Blood travelling to and from the lungs
b)
Blood travelling to and from the body
c)
A blood clot in the lungs
d)
The vessel that brings blood to the lungs
59.
This chamber of the heart RECEIVES blood returning from the body
a)
Right Atrium
b)
Right Ventricle
c)
Left Atrium
d)
Left Ventricle
60.
Which side of the heart contains oxygenated blood?
a)
the right
b)
the left
c)
the superior region
d)
the inferior region
61.

Which type of nutrient is needed for growth and repair?

a)

proteins

b)

carbohydrates

c)

fats

d)

vitamins

62.

Which type of nutrient(s) is needed to provide energy?

a)

proteins

b)

carbohydrates

c)

fats

d)

vitamins

63.

Which of the following is not, technically, a nutrient?

a)

fat

b)

protein

c)

carbohydrate

d)

fibre

64.
How does calcium help our body?
a)
Builds muscle
b)
Helps eyesight
c)
Develops red blood cells
d)
Builds strong bones
65.

What vitamin is produced by the skin when exposed to sunlight, and what does a deficiency in that vitamin lead to?

a)

Vitamin D, scurvy

b)

Vitamin A, night blindness

c)

Vitamin D, rickets

d)

Vitamin C, scurvy

66.

Identify the disease and name the deficiency that causes it?

a)

Kwashiorkar, caused due to deficiency of proteins

b)

Kwashiorkar, caused due to deficiency of proteins and carbohydrates

c)

Marasmus, caused due to deficiency of proteins

d)

Marasmus, caused due to deficiency of proteins and carbohydrates

67.

__________ is caused by a lack of vitamin C, and causes painful joints and bleeding gums.

a)

Kwashiorkor

b)

Night blindness

c)

Scurvy

d)

Rickets

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