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WorksheetsForm 3 Science Revision
Total questions: 40
Worksheet time: 36mins
A student eats several kinds of
food and he finds that the parts
of tongue X and Y in Diagram 1
are stimulated.
Which of the following are the
food eaten by the student?
I Common salt
II Honey
III Lemon
IV Coffee
A I and II
B III and IV
C II and III
D I and IV
Diagram 2 shows the structure
of the human ear.
Which part of the ear controls
body balance?
A
B
C
D
Diagram 3 shows the human
eye.
What is the function of P?
A Focuses light rays
B Controls the size of the pupil
C Changes images to impulses
D Allows light to enter the eye
Study the following statement:
Gas P combines with haemoglobin to form carboxyhaemoglobin.
What is the effect if gas P enters the human respiratory system?
A Cells in the respiratory tract will die.
B The total energy production of the body cells decreases.
C The lungs will increase the production of mucus.
D The respiratory tract will become irritated and causes asthma.
Which of the following are the diseases of the respiratory system?
I Goitre
II Bronchitis
III Emphysema
IV Stroke
A I and II
B III and IV
C II and III
D I and IV
Which of the following happens when the diaphragm curves upwards?
A The diaphragm muscles contract.
B The ribs move upwards.
C Air pressure in the thoracic cavity increases.
.
D Air moves into the lungs.
Diagram shows the components of the human blood that has been separated by centrifugation method.
Which of the following shows the significance of component X in the human blood?
A Carries dissolved carbon dioxide and contains hormones
B Fights bacterial infections
C Helps in blood clotting
D Produces hormones
Diagram 2 shows the cross-section of the stem of a balsam plant.
What is the function of X?
A Transports food
B Transports water
C Make food
D Produces minerals
Diagram shows the stem of a ringed plant.
Why does the part labelled K is swollen?
A The exposed part has been infected.
B Water from the leaves are accumulated at the part.
C Food acumulates in that part.
D The xilem of the stem has been removed.
Which of the following elements form bauxite?
I Tin
II Aluminium
III Oxygen
IV Iron
A I and II
B III and IV
C II and III
D I and IV
Where is the hydrogen position in the reactivity series of metals?
A Between zinc and iron
B Between aluminium and
magnesium
C Between iron and lead
D Between lead and copper
The information below shows several metals in the reactivity series of metal.
Magnesium → X → Y → copper
------------------------------------->
Reactivity decreases
Which of the following cannot
represent X and Y?
A X:Lead Y: Aluminium
B X:Zinc Y : Iron
C X:Iron Y:Lead
D X: Aluminium Y:Zinc
Which of the following statements is related to an exothermic reaction?
I The container becomes hot
II Heat is absorbed from the surroundings
III Decomposition of metal nitrates
IV Concentrated sulphuric acid is diluted with water
A I and II
B III and IV
C II and III
D I and IV
An athlete puts a cold pack on an inflamed joint, due to sprained leg. Which of the following chemicals is found in the cold pack?
A Calcium hydroxide
B Sodium chloride
C Potassium oxide
D Ammonium nitrate
The following information shows the energy changes in a type of generator.
Potential energy → kinetic energy → electrical energy
Which electric generator shows the energy conversion?
A Hydroelectric generator
B Thermal generator
C Nuclear generator
D Biomass generator
the number of turns for primary coil is 2000. what is the number of turns for the secondary coil?
50
40
60
30
Namakan bahagian (iii). / Name the part of (iii).
Gegelung primer / Primary Coil
Gegelung sekunder / Secondary Coil
Teras besi lembut / Soft iron core
The electrical energy used by a fan for 4 minutes is 170 kJ. Calculate the power of this fan in W.
42.5
42500
708
0.708
A television rated 1.2 kW , 240 V is connected to a 240V electricity supply. Calculate curent that flows through the television.
5 A
2.5 A
0.005
1.0 A
A 5kW electric cooker is used for 55 minutes to cook. Calculate the cost of electrical energy used if the rate per unit is 50 sen.
RM 0.23
RM 230
RM 2.30
RM275
Formula of gravitational potential energy
21Fx
mgh
21mv2
21F
Diagram shows two coconut trees, P and Q. If the mass of coconuts on coconut trees, P and Q are 1.5 kg respectively, calculate the difference in gravitational potential energy of coconuts P and Q.
0.5 J
1.5 J
7.5 J
75 J
Who invented X - Rays?
Donald Trump
Louis Pasteur
Thomas Jefferson
Wilhelm Conrad Roentgen
Which type of radiation releases an electron?
Alpha radiation
Beta radiation
Gamma radiation
Theta radiation
Which of the following is a function of the red blood cells?
Regulating the body temperature
Removing excess carbon dioxide from the body
Absorbing oxygen from the atmosphere into the body
Transport oxygen and carbon dioxide throughout the body
Which of the following instruments does not apply the reflection of light to function?
Periscope
Kaleidoscope
Mirror
Telescope
Camera
What is the type of interaction shown by the two animals?
Parasitism
Mutualism
Prey-predator
Commensalism
Which group of food may cause diabetes if taken excessively?
W
X
Y
Z
Which of the following is an example of infectious
disease?
Asthma
Covid-19
Cancer
Tuberculosis
Cardiovascular
What does the direction of the curve of the fingers represent?
Direction of the voltage
Direction of the current
Direction of the magnetic field
Direction of the electromagnetic force
Which of the following represents the array of the stars in descending order of size?
W → Y → V → X → Z
V → W → X → Y → Z
Z → X → V → Y → W
Y → W → Z → V → X
P is ...............
Aorta
Vena cava
Pulmonary artery
Pulmonary vein
What type of radiation are Y?
Alpha
Gamma
Beta
The function of this cell is .........
Allow movement of the body
Destroy bacteria to protect the body from diseases
Cover the body surface
What kind of vertebrates on pictures shows
Fish
Mammals
Reptiles
Amphibians
