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Year 8 Biology review

Total questions: 75

Worksheet time: 42mins

Name
Class
Date
1.
Every living organism is made up of one or more cells
a)
True
b)
False
2.
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
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)
mitochondria and nucleus
4.
What do vacuoles do? 
a)
They actually do not have an important role
b)
They protect the cell
c)
They are the brain of the cell
d)
storage area for cells; water storage in plants 
5.
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
6.
Which of the following, found ONLY in plant cells, provides structure?
a)
cell wall
b)
chloroplast
c)
mitochondria
d)
vacuole
7.
The control centre of the cell
a)
cytoplasm
b)
nucleus
c)
cell membrane
d)
mitochondria
8.
A structure which allows substances to pass into and out of the cell
a)
nucleus
b)
cytoplasm
c)
cell membrane
d)
mitochondria
9.
The site of respiration
a)
cell wall
b)
mitochondria
c)
nucleus
d)
chloroplast
10.
The site of photosynthesis
a)
cell wall
b)
mitochondria
c)
chloroplast
d)
cytoplam
11.
Groups of similar cells that carry out a particular job are called:
a)
animals
b)
plants
c)
tissues
d)
organs
12.
Bacteria 
a)
are multicellular and have a nucleus
b)
are multicellular and don't have a nucleus
c)
are unicellular and have a nucleus
d)
are unicellular and don't have a nucleus
13.
Amoeba
a)
are multicellular and have a nucleus
b)
are multicellular and don't have a nucleus
c)
are unicellular and have a nucleus
d)
are unicellular and don't have a nucleus
14.
What tool do you use to view the cells?
a)
metric ruler
b)
centrifuge
c)
microscope
d)
pipette
15.

The heart contains different types of tissue. What level of organization is the heart?

a)
cell
b)
organ system
c)
organ
d)
tissue
16.

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

17.

Cells combine to form...

a)

tissue

b)

organs

c)

organ systems

d)

organisms

18.

Tissues combine to form...

a)

cells

b)

organs

c)

organ systems

d)

organelles

19.

Organs combine to form...

a)

organ systems

b)

organs

c)

tissues

d)

organisms

20.

Which level of organization is the smallest and simplest?

a)

Cell

b)

Tissue

c)

Organ

d)

Organ System

e)

Organisms

21.

Which level of organization is the largest and most complex?

a)

Cell

b)

Tissue

c)

Organ

d)

Organ System

e)

Organism

22.

Group of tissues with similar functions.

a)

Organelles

b)

Cells

c)

Tissues

d)

Organs

23.
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
24.
Using a 4x objective lens and your 10x eyepiece, what is the TOTAL MAGNIFICATION of your image?
a)
4x
b)
400x
c)
14x
d)
40x
25.
The part of the microscope that you turn to change to a new objective lens.
a)
Stage
b)
Diaphragm
c)
Nosepiece
d)
Body Tube
26.
When carrying the microscope, what two parts must you always be holding it by?
a)
Arm and Stage
b)
Arm and Base
c)
Base and Stage
d)
Stage and Neck
27.
The entire circular area viewed when looking into the eyepiece of the microscope.
a)
Focus
b)
Objective
c)
Field of view
d)
Pointer
28.
To "zoom in", or make an image appear bigger.
a)
Focus
b)
Adjustment knob
c)
Stage
d)
Magnify
29.
The part of the microscope that the specimen slide rests on.
a)
Base
b)
Light source
c)
Stage
d)
Objective Lens
30.
What is the name of the structure labeled #10?
a)
objective lens
b)
ocular lens
c)
aperture
d)
nosepeice
31.
What is the name of the structure labeled #4?
a)
stage
b)
course adjustment knob
c)
fine adjustment knob
d)
aperture
32.
What is the approximate size of one of the cells in the field of view shown?
a)
0.5 mm
b)
1.0 mm
c)
1.5 mm
d)
2.0 mm
33.
a process that allows the body to get oxygen to burn food for energy and gets rid of carbon dioxide
a)
respiration
b)
emphysema
c)
inhaling
d)
nasal passage
34.
a dome shaped sheet of muscle, the _________, separates the chest from the abdomen
a)
diaphragm
b)
epiglottis
c)
alveoli
d)
bronchial tubes
35.
After air moves through the pharynx it continues downward. The _____, or windpipe, directs the air into 2 separate branches or tubes.
a)
mucus
b)
trachea
c)
larynx
d)
epiglottis
36.
the tubes that go from the trachea into the lungs
a)
alveoli
b)
diaphragm
c)
epiglottis
d)
bronchial tubes
37.
healthy _____ are usually pink in color. You have two of these.
a)
alveoli
b)
epiglottis
c)
lungs
d)
trachea
38.
a chamber behind the nose and mouth that leads to the trachea
a)
pharynx
b)
trachea
c)
epiglottis
d)
larynx
39.
cleans, moistens, and warms the air
a)
trachea
b)
larynx
c)
nasal passage
d)
windpipe
40.
a flap of tissue that closes when we eat so food doesn't not go down the trachea
a)
larynx
b)
pharynx
c)
trachea
d)
epiglottis
41.
known as the voice box
a)
windpipe
b)
larynx
c)
pharynx
d)
epiglottis
42.
What is the main bone structure that protects the lungs
a)
Vertebrae
b)
Rib cage
c)
Skull
d)
Pelvis
43.

When you breathe, your lungs take in ___ and remove ___.

a)

air/oxygen

b)

oxygen/carbon dioxide

c)

carbon dioxide/waste

d)

waste/air

44.
The air sacs that are covered with capillaries that separate gases we need from gases we don't need.
a)
bronchi
b)
lungs
c)
oxygen
d)
alveoli
45.
Inhale!!!!
Your lungs are ___________  air
a)
taking in
b)
letting out
46.
EXHALE!!!
My lungs are __________________ air. 
a)
taking in
b)
letting out
47.
When you expire the ribs move....
a)
Up and out
b)
Up and in
c)
Down and out
d)
Down and in
48.
When you inspire the ribs move....
a)
Up and out
b)
Up and in
c)
Down and out
d)
Down and in
49.

Which sequence correctly indicates the branching pattern of the human respiratory system?

a)

trachea -> bronchi -> bronchioles -> alveoli

b)

trachea -> bronchioles -> bronchi -> alveoli

c)

alveoli -> trachea -> bronchioles -> bronchi

d)

alveoli -> bronchioles -> trachea -> bronchi

50.
The air sacs that are covered with capillaries where gas exchange takes place
a)
bronchi
b)
lungs
c)
oxygen
d)
alveoli
51.

Name the organ label # 6.

a)

alveoli

b)

bronchi

c)

trachea

d)

lungs

52.
The passageway that is shared by both the digestive and respiratory system is the....
a)
larynx
b)
pharynx
c)
trachea
d)
nose
53.

Does the following equation refer to photosynthesis or cellular respiration? glucose + oxygen --> carbon dioxide + water + energy

a)

photosynthesis

b)

cellular respiration

54.

Cellular Respiration's goal is to

a)

make water

b)

make energy

c)

make glucose

d)

make oxygen

55.

O2 is the chemical formula for

a)

Oxygen

b)

Carbon Dioxide

c)

Glucose

d)

Water

56.

Occurs when the cells of the digestive system take in small molecules of digested food

a)

absorption

b)

digestion

c)

elimination

d)

ingestion

57.

the removal of undigested food and other wastes from the body

a)

absorption

b)

elimination

c)

digestion

d)

ingestion

58.

a type of digestion where food is physically broken into smaller pieces...

a)

chemical digestion

b)

mechanical digestion

c)

indigestion

d)

automatic digestion

59.

A type of digestion where chemical reactions break down pieces of food into smaller molecules

a)

mechanical digestion

b)

indigestion

c)

chemical digestion

d)

such thing does not exist

60.

proteins that help break down large molecules into smaller molecules

a)

enzymes

b)

saliva

c)

bili

d)

gastric juice

61.

TRUE or FALSE:

Enzymes speed up, or catalyze the rate of chemical reactions.

a)

FALSE

b)

TRUE

62.

The digestive system produces enzymes that are specialized to help break down each type of

a)

food molecule

b)

chemical reaction

c)

bolus

d)

stool

63.

A muscular tube that connects the mouth and the stomach.

a)

esophagus

b)

liver

c)

small intestine

d)

Gall bladder

64.

Food moves through the esophagus and the rest of the digestive tract by waves of muscle contractions called

a)

peristalsis

b)

homeostasis

c)

sonar waves

d)

tsunami waves

65.

a thin, watery liquid that forms when food mixes with gastric juices

a)

chyme

b)

gastric juice

c)

papain

d)

enzyme

66.

The folds of the small intestine are covered with finger-like projections called...

a)

bolus

b)

bile

c)

villi

d)

vicky

67.

Where does the process of digestion begin?

a)

mouth

b)

stomach

c)

small intestine

d)

large intestine

68.

What type of digestion is occurring in the mouth?

a)

chemical digestion

b)

mechanical digestion

c)

both chemical and mechanical digestion

d)

neither chemical nor mechanical digestion

69.

Chewing food is considered what type of digestion?

a)

chemical

b)

mechanical

c)

both

d)

neither

70.
Which of the following foods is NOT a protein?
a)
Orange
b)
Steak
c)
Eggs
d)
Chicken
71.

What are 1, 2 and 3 called?​ ​

a)

Salivary glands

b)

Mouth

c)

Pancreas

d)

Stomach

72.

What is shown green in this picture?

a)

Gallbladder

b)

Liver

c)

Stomach

d)

Pancreas

73.

The organ that produces BILE is

a)

B

b)

C

c)

E

d)

A

74.

The process that is taking place there is

a)

peristalsis

b)

digestion

c)

absorption

d)

excretion

75.

The part that is circled is called the

a)

gall bladder

b)

intestine

c)

stomach

d)

appendix

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