Font size
Worksheetsscience form 3
Total questions: 51
Worksheet time: 26mins
Which of the following is a voluntary action?
Antara berikut, yang manakah merupakan tindakan terkawal?
Peristalsis
Talking
Sweating
Heartbeat
What are the factors that affect the sensitivity of the skin?
Apakah faktor-faktor yang memberi kesan kepada kepekaan kulit?
I The number of sensory receptors present
Bilangan reseptor deria yang hadir
II The thickness of epidermis layer
Ketebalan lapisan epidermis
III The thickness of dermis layer
Ketebalan lapisan dermis
I and II only
I and III only
II and III only
I, II and III
Diagram 1 shows the cross section of a human eye.
Name the parts X
Pupil
Cornea
Iris
Optic nerve
Diagram 1 shows the cross section of a human eye.
Name the parts Y
Pupil
Cornea
Iris
Optic nerve
Diagram 2 shows the cross section of the human nose.
What is the function of X?
Moistens the nasal cavity
Melembapkan rongga nasal
Interprets the impulses as a smell
Menterjemahkan impuls sebagai satu bau
Secretes mucus to dissolve the chemicals
Mengeluarkan mukus untuk melarutkkan kimia
Detects and sends the impulses to the brain
Mengesan dan menghantar impuls kepada otak
Type of blood circulatory system in fish is:
Double blood circulatory system
Incomplete double circulatory system
Complete double circulatory system
Single blood circulatory system
Type of blood circulatory system in amphibians is:
Double blood circulatory system
Incomplete double circulatory system
Complete double circulatory system
Single blood circulatory system
Tick the CORRECT characteristic(s) of artery:
Thick and muscular wall with a lot of elastic tissues to withstand high blood pressure
Small lumen and no valve
Transport deoxygenated blood from the heart to the whole body, except the lungs
Rapid blood flow under high blood pressure
Has pulse
Which shows the correct pathway of oxygenated blood entering and leaving the heart?
Pulmonary vein > left atrium > left ventricle > aorta
Pulmonary vein > left atrium > right ventricle > aorta
Vena cava > right atrium > right ventricle > pulmonary artery
Vena cava > right atrium > left ventricle > pulmonary artery
Which shows the correct pathway of deoxygenated blood entering and leaving the heart?
Vena cava > right atrium > right ventricle > pulmonary artery
Vena cava > right atrium > left ventricle > pulmonary artery
Vena cava > right atrium > right ventricle > pulmonary vein
Vena cava > left atrium > left ventricle > pulmonary artery
What is the function of valves in heart?
To prevent the backflow of blood in the chambers.
To allow the backflow of blood in the heart.
To initiate the flow of the blood in the heart.
Figure below shows one type of blood cell. What is the name of the blood cells and its function?
Red blood cell , Transport food
White blood cell , Transport food
Red blood cell, Transport oxygen
White blood cell, Transport oxygen
What is the function of a white blood cell?
It helps repair wounds.
It helps in the clotting of blood.
It protects the body against diseases.
It carries oxygen to all parts of the body.
What is the function of a platelets?
It helps repair wounds.
It helps in the clotting of blood.
It protects the body against diseases.
It carries oxygen to all parts of the body.
What is the function of the blood vessel labelled D?
To transport blood from the heart to the lungs
To transport blood from the heart to the rest of the body.
To transport blood from the rest of the body to the heart.
To transport blood from the lungs to the heart.
Simple organisms such as amoeba and paramecium are able to obtain oxygen and nutrients enter directly into cells via .....................process through the cell membrane
Diffusion
Respiration
Photosynthesis
Transpiration
Based on the diagram, what is the function of anhydrous calcium chloride in the experiment?
To absorb water vapour so that dry hydrogen will be produced
To supply hydrogen gas
To separate the metals
To release heat for combustion
The diagram shows a setup apparatus for an experiment. What is the aim of the experiment?
To determine the position of carbon in the reactivity series of metals
To determine the position of hydrogen in the reactivity series of metals
To observe the reactivity of metals with carbon dioxide
To observe the reactivity of metals with water
Write the word equation between metal and oxygen.
Metal + Oxygen Metal oxide
Metal + Oxygen Metal oxygen
Metal + Oxygen = Metal oxide
Metal + Oxygen = Metal oxygen
Write the word equation between metal oxide and carbon.
Metal oxide + Carbon Metal + Carbon dioxide
Metal oxide + Carbon Metal oxide
Metal oxide + Carbon Metal + Water + Carbon dioxide
Metal oxide + Carbon Metal oxide + Carbon dioxide
Write the word equation between metal oxide and hydrogen.
Metal oxide + Hydrogen Metal + Water
Metal oxide + Hydrogen Metal hydroxide
Metal oxide + Hydrogen Metal + Water + Carbon dioxide
Metal oxide + Hydrogen Metal oxide + Water
The mass of an eagle is 3 kg. Calculate the kinetic energy of the eagle when it flies with a velocity of 8 m/s.
12 J
24 J
96 J
192 J
Diagram shows a few books are placed on a table. What is the gravitational potential energy for the books on the table if the mass of a book is 0.3 kg?
0.96 J
1.5 J
9.6 J
15 J
A car with a mass of 500 kg moves with a velocity of 30 m/s. Calculate the kinetic energy of the car.
7500 J
15000 J
30000 J
225000 J
The diagram shows how electrical energy is produced.
What does Q represent?
The water is heated until steam is produced and the turbine is rotated.
The water rotates a motor, which will then rotate a generator.
A mixture of steam and gas is heated until they expand and the turbine is generated.
The water rotates a turbine, which will then rotate a generator.
Which of the following describe the characteristics of non-renewable energy sources?
Can be depleted if the usage is not controlled
Takes millions of years to be formed
Can not cause environmental pollution
Have limited sources
The diagram shows an apparatus.
Which of the following statements are true about the apparatus?
It is used to change a low input voltage to a higher output voltage
It alters the voltage of alternating current
It is used to change a high input voltage to a lower output voltage
It helps to reduce energy wastage during the transmission of electrical energy
Where does the electric power voltage begin to be lowered in the electricity transmission and distribution system?
Substation
National power grid
Switch field
Main substation
The electrical wiring system in a home has several safety features.
Which of the following are the safety features?
The main fuse
The colour codes for different wires
The Earth Leakage Circuit Breaker
Electric meter
The diagram shows a common electrical device.
What are the safety features shown in the device.
Live wire
Earth wire
Neutral wire
Fuse
An electrical appliance is marked 800 W, 240 V.
What is the cost of using the appliance for four hours daily for a week if the cost of a unit of electricity is RM 0.20?
RM 3.30
RM 4.48
RM 50.64
RM 205.23
An electric iron is rated 1050 W, 240 V.
Which of the following is a suitable fuse rating for the iron?
1 A
2 A
3 A
5 A
What is the function of the National Grid Network?
Transmit electrical energy all over the country through high voltage cable network
Collect and channel the electrical energy to the consumers
Store voltage for emergency use
Lower the value of voltage to suit the supplied area
Which of the following is non - renewable source of energy?
Diagram below shows a process to generate induced current through relative motion of the coil with magnet.
How to prove that the induced current has been generated?
The coil becomes hot
The bar magnet becomes hot and melt
The needle of Galvanometer deflects
The needle of the Galvanometer vibrates
What is the characteristics of gills that allows it to exchange gas efficiently in water?
Have a lots of trachea
Thin and always moist
Has a large number of lamella that resulted in large surface area
Has a large number of spiracle that resulted in large surface area
Zahid is conducting an activity to generate electricity by using the apparatus as shown in the diagram.
What should be done by Zahid to produce electric current?
move the copper rod and move the galvanometer
move the copper rod and move the magnet
move the magnet and move the galvanometer
move the galvanometer and replace the copper rod with a wooden ruler
Which sequence of energy changes in the nuclear power station is correct?
Nuclear energy --> kinetic energy --> electrical energy
chemical energy --> heat energy --> nuclear energy --> kinetic energy --> electrical energy
heat energy --> kinetic energy --> nuclear energy --> chemical energy --> electrical energy
nuclear energy --> heat energy --> kinetic energy --> electrical energy
How is induced current detected in this activity?
electrostatic at hand
movement of copper rod
movement of magnet
movement of galvanometer pointer
Gambar rajah 1 menunjukkan laluan impuls setelah rangsangan diterima oleh kulit.
The diagram 1 shows the path of an impulse after a stimulus is received by the skin.
Antara berikut yang manakah mewakili X, Y dan Z?
Which of the following represents X, Y and Z?
X - Otak/Brain, Y - Efektor/Effector, Z - Reseptor/Receptor
X - Reseptor/Receptor, Y - Efektor/Effector, Z - Otak/Brain
X - Otak/Brain, Y - Reseptor/Receptor, Z - Efektor/Effector
X - Reseptor/Receptor, Y - Otak/Brain , Z - Efektor/Effector
Rajah 3 menunjukkan laluan impuls suatu tindakan.
The diagram 3 shows the impulse pathway of an action.
Reseptor/Receptor -->Saraf tunjang/Spinal cord --> Efektor/Effector
Antara tindakan berikut, yang manakah akan melalui impuls yang sama?
Which of the following actions will pass through the same impulse pathway?
Bernafas
Breathing
Berfikir
Thinking
Sentakan lutut
Knee-jerk reaction
Berjalan
Walking
Antara yang berikut, yang manakah tidak benar tentang hidung?
Which of the following is not correct about nose?
Sel- sel deria terletak di bawah hidung
Sensory cells are located under the nose
Hidung ialah organ deria untuk deria bau
The nose is a sensory organs for a sense of smell
Jumlah cecair meningkat semasa seseorang menghidapi selesema
The amount of fluid increases when a person suffers from flu
Sel –sel peka bau di dalam hidung amat sensitif terhadap bahan kimia
Sensitive cells in the nose are very sensitive to chemicals
Rajah 4 menunjukkan keratan melalui sebahagian kepala manusia yang mengandungi organ deria.
Diagram 4 shows a section through part of the human head containing a sensory organ.
Antara bahagian berlabel A, B, C dan D, yang manakah sel deria?
Which of the parts labelled A, B, C and D, is a sensory cell?
A
B
C
D
Semasa seseorang itu menghidapi selesema, makanannya tidak akan berasa sedap. Hal ini demikian kerana
When a person suffers from flu, the food will not be delicious. This is so because
Hidung dan lidah tidak lagi berfungsi
Nose and tongue are no longer work
Bakteria di dalam mulut melemahkan kebolehan sel –sel reseptor mengesan rasa makanan
Bacteria in the mouth weaken the ability of the cell-receptor to detect the taste of the food
Kuantiti mukus yang banyak di bukaan hidung menghindarkan bahan kimia daripada merangsang sel-sel reseptor bau
The abundance of mucous quantities in the nasal opening prevents chemicals from stimulating the receptor cells of the smell
Sel-sel peka bau telah diserang virus selesema dan tidak dapat berfungsi
Sensitive cells have been attacked by flu virus and cannot function
Penglihatan yang jelas hanya boleh didapati semasa imej terbentuk dengan tepat pada
Clear vision is only available when the image is formed exactly on
Kornea
Cornea
Anak mata
Eye ball
Retina
Retina
Kanta mata
Eye lens
Fungsi kornea adalah untuk
The function of cornea is
Membekalkan makanan dan air kepada mata
Provide food and water to eyes
Membolehkan cahaya memasuki mata dan memfokuskan cahaya tersebut
Allows the light to enter the eyes and focus the light
Mengawal jumlah cahaya yang memasuki mata
Controls the amount of light entering the eye
Menghantar impuls dari retina ke otak
Sending impulses from the retina to the brain
Rajah 6 menunjukkan keratan rentas mata yang mengalami kecacatan penglihatan.
Diagram 6 shows a cross-section of an eye with a defective vision.
Antara yang berikut, yang manakah menyebabkan kecacatan penglihatan itu?
Which of the following causes the defective vision?
Kanta mata terlalu tebal
The eye lens is too thick
Saiz anak mata terlalu kecil
The size of the pupil is too small
Bola mata terlalu pendek
The eye ball is too short
Permukaan kornea mata tidak sekata
The surface of the cornea is irregular
Garisan PQ dan RS dalam Rajah 7 mempunyai panjang yang sama tetapi kelihatan berbeza.
The PQ and RS lines in Diagram 7 have the same length but look different.
Fenomena ini dikenali sebagai
The phenomena is knowns as
Penglihatan monocular
Monocular vision
Ilusi optik
Optic illusion
Pembiasan cahaya
Refraction of light
Astigmatisme
Astigmatism
Manakah antara berikut bukan kelebihan penglihatan stereoskopik berbanding penglihatan monokular?
Which of the following is not one of the benefits stereoscopic vision compared to monocular vision?
Dapat melihat objek yang berada di hadapan
Able to see object in the front
Mampu menganggar jarak dengan tepat
Able to estimate distance correctly
Mempunyai medan penglihatan yang luas
Has wider vision
Mampu melihat objek dalam tiga dimensi
Able to see object in three dimension
Antara pernyataan perikut, yang manakah betul tentang gerak balas tropisme?
Which of the following statement about the tropism responses is correct?
Pucuk menunjukkan geotropisme negatif dan fototropisme positif
Shoots show negative geotropism and positive phototropism
Akar menunjukkan geotropisme positif dan hidrotopisme negatif
Roots show positive geotropism and negative hydrotopism
Akar menunjukkan fototropisme positif dan geotropisme negatif
Root shows positive phototropism and negative geotropism
Pucuk menunjukkan geotropisme positif dan hidrotopisme positif.
Shoots show positive geotropism and positive hydrotopism
