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TERM 01 REVISION

Total questions: 20

Worksheet time: 12mins

Name
Class
Date
1.

Which of the following processes transport oxygen from the alveoli into the capillaries?

a)

Respiration

b)

Inhalation

c)

Exhalation

d)

Diffusion

2.

What is the name of the compound found in the red blood cells

a)

Oxyhaemoglobin

b)

Haemoglobin

c)

Hormones

d)

Enzymes

3.

2 tubes entering the lungs

a)

pharynx

b)

larynx

c)

bronchus

d)

bronchioles

4.

________ is the tube that connects the larynx to the lungs.

a)

alveoli

b)

larynx

c)

pharynx

d)

trachea

5.

The ___________ is the dome shaped muscle below the lungs

a)

diaphragm

b)

rib

c)

alveoli

d)

trachea

6.

What is the colorless, odorless, and poisonous gas produced by burning tobacco?

a)

carbon monoxide

b)

carbon dioxide

c)

nicotine

d)

secondhand smoke

7.
Given the following structures:
1. larynx
2. nasal cavity
3. pharynx
4. trachea
Which of the following is the correct order that air would flow during inhalation. 
a)
1,2,3,4
b)
2,3,1,4
c)
2,1,3,4
d)
4,2,3,1 
8.
The center of a bar magnet is the strongest
a)
True
b)
False
9.
The lines on this image are called...
a)
magnetic field lines
b)
iron fillings
c)
graphite lines
d)
none of these
10.
You can make an electromagnet stronger by...
a)
increasing the current through the wire
b)
make the iron core bigger
c)
increase the number of loops around the core
d)
All of these
11.
How does calcium help our body?
a)
Builds muscle
b)
Helps eyesight
c)
Develops red blood cells
d)
Builds strong bones
12.

A type of magnet that has temporary magnetic effect when electric current flows through it.


This refer to

a)

Electric

b)

Electronic

c)

Electrostatic

d)

Electromagnet

13.

Ink can be separated by a method of -----------------------------------------------

a)

distillation

b)

filtration

c)

chromatography

d)

sedimentation

14.
chromatography separates the mixture of dyes on the basis of their ----------------------------
a)
density
b)
solubility
c)
gravity
d)
boiling point
15.

If I dissolve carbon dioxide in water, what is the solvent?

a)

Carbon Dioxide

b)

There is no solvent

c)

Oxygen

d)

Water

16.

You make a pitcher of lemonade by adding lemon juice, sugar, ice and water. Which of the following are the solutes in the solution?

a)

Lemon juice

b)

Sugar

c)

Water

d)

Ice

17.

When you open a bottle of sparking water, gas bubbles suddenly appear. These gas bubbles are dissolved in the water. Which is the solute in this solution?

a)

water

b)

gas bubbles

18.

Which type of cell is shown in the picture?

a)

white blood cell

b)

sperm cell

c)

red blood cell

d)

nerve cell

19.

Which blood cells carry oxygen throughout the body?

a)

Red

b)

White

c)

Plasma

d)

Platelets

20.

What is the site of gas exchange?

a)

alveoli

b)

bronchus

c)

nose

d)

trachea

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