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WorksheetsScience form 3 kssm chapter 1-6
Total questions: 159
Worksheet time: 1hrs 27mins
Kaji maklumat di bawah
Study the information below.
J- Otak K- Saraf spina
brain spinal nerves
L- saraf tunjang M- saraf cranium
spinal cord cranial nerves
Antara berikut, yang manakah mewakili sistem saraf pusat?
Which of the following represent central nervous system?
J dan K
J and K
J dan L
J and L
K dan M
K and M
J dan K
J and K
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
Antara berikut, yang manakah merupakan tindakan terkawal?
Which of the following is a voluntary action?
Peristalsis
Peristalsis
Bercakap
Talking
Berpeluh
Sweating
Denyutan jantung
Heart beat
Rajah 2 menunjukkan keratan rentas kulit manusia.
Diagram 2 below shows a cross-section of human skin.
Pasangan stimuli manakah yang bergerak balas terhadap reseptor P dan Q?
Which pair of stimuli do receptors P and Q respond to?
P - Sakit/Pain, Q - Tekanan/Pressure
P - Sentuhan/Touch, Q - Sejuk/Cold
P - Sejuk/Cold Q - Sakit/Pain
P - Tekanan/Pressure, Q - Sentuhan/Touch
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 hubungan organ deria dengan rangsangan di bawah, yang manakah tidak benar?
Which pair of the sensory organ with stimulus below, is not true?
Mata/Eyes - Cahaya/Light
Hidung/Nose - Udara/Air
Lidah/Tongue - Bahan kimia/Chemical substances
Telinga/Ear - Bunyi/Sound
Selain menerima rangsangan, fungsi-fungsi lain kulit adalah untuk
Other than receiving stimulus, the function of skin is
Membantu menyingkirkan bahan kumuh
Help to get rid of secreted subtances
Mengawal atur suhu badan
Control the body temperature
Menghindarkan mikroorganisma daripada memasuki badan
Preventing the microorganism from entering body
Kepekaan kulit terhadap rangsangan dipengaruhi oleh
The sensitivity of skin to the stimulus is effected by
Ketebalan lapisan lemak
Thickness of fat layer
Ketebalan dermis
Thickness of dermis
Jenis rangsangan
Type of stimulus
Bilangan reseptor
Number of receptors
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
Rajah 5 menunjukkan kawasan lidah manusia yang berbeza
Diagram 5 shows different area of human tongue.
Kawasan manakah lebih sensitif terhadap cuka dan madu?Which parts are more sensitive to vinegar and honey?
P, R
P, Q
Q, S
R, P
Antara struktur telinga berikut, yang manakah mempunyai cecair?
Which of these ear structure has fluid?
Jendela bujur
Oval window
Gegendang telinga
Ear drum
Tiub Eustachio
Eustachio tube
Koklea
Cochlea
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
Which part of a plant shows positive phototropism?Bahagian tumbuhan yang manakah menunjukkan
fototropisme positif?
Buah/Fruit
Akar/Root
Batang/Stem
Pucuk/Shoot
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
What is the part of the eye that prevents the reflection of light?
Sclera
Choroid
Cornea
Yellow spot
What is the receptor for ear?
Oval window
Auditory nerve
Cochlea
Ossicles
How many receptors are present in the skin?
2
3
4
5
Why do we cannot see an image when it falls on the blind spot?
Blind spot does not have photoreceptors.
Blind spot is not sensitive to light.
Blind spot is the most sensitive to light.
Blind spot is adjacent to the optic nerve.
What are the causes of short-sightedness? (2 answers)
Eye lens is too thick.
Eyeball is too long.
Eye lens is too thin.
Eyeball is too short.
What is one of the stimuli for plant to carry out responses?
Light
Air
Mineral salts
Tropism responses
Humans can only detect sounds in the frequency range of...
10 - 10000 Hz
20 - 2000Hz
20 - 20000 Hz
20 - 40000 Hz
What is the part shown in the diagram above?
Diaphragm
Rib cage
Intercostal muscle
Trachea
Oxygen combines with haemoglobin in red blood cells to form...
Carboxyhaemoglobin
Iron
Oxyhaemoglobin
Red pigment
What are the adaptations of structure of alveolus to maximise the exchange of gaseous? (3 answers)
Moist surface
The wall of alveolus is one-cell thick
Each alveolus is surrounded by a network of blood capillaries
Small surface area
How do amphibians breathe?
Moist outer skin
Gills
Tracheal system
Nostril
What is the cell structure shown above?
Vacuole
Cytoplasm
Cell wall
Guard cell
What are the three types of blood vessels?
Artery, vein and lumen
Vein, artery and aorta
Artery, vein and blood capillary
Artery, vein and vena cava
What is the function of septum?
Carries deoxygenated blood
Carries oxygenated blood
Ensures blood flow in one direction
Ensures oxygenated and deoxygenated blood do not mix with each other
How many blood groups are there in humans?
3
4
5
2
What is the antibody presents in blood group B?
Anti-A
Anti-B
Anti-A and anti-B
None
What is the transpiration process in plants?
Loss of water vapour through the stoma
Exchange of gaseous
Inhalation and exhalation
Guttation
Which following order in the reactivity series is correct? (least reactive to most reactive)
Fe, Al, Ag, Hg
Cu, Sn, Mg, K
Na, Sn, Ag, Al
Ca, Na, Pb, Zn
What are the examples of exothermic reaction? (2 answers)
Burning
Electrolysis
Neutralisation
Photosynthesis
Which is a non-renewable energy source?
Water
Wind
Geothermal
Nuclear
A transformer has to produce the voltage of a 240 V power supply into 60 V for an electrical appliance. If the number of turns of the primary coil is 500, calculate the number of the secondary coil.
120 turns
125 turns
130 turns
135 turns
What is the SI unit for work?
Newton, N
Joule, J
Metre, m
Time, s
The mass of wheelbarrow with soil is 30 kg. Calculate the work done by the wheelbarrow if it is pushed horizontally for 20 metres. (1 kg = 10 N)
5 kJ
6 kJ
7 kJ
8 kJ
The principle of conversation of energy states that : (more than 1 answer)
Energy cannot be created
Energy cannot be destroyed
Energy can transform from one form to another
Energy can be created
What are the units of the measurement of radioactivity? (2 answers)
Becquerel, Bq
Joule, J
Watt, W
Curie, Ci
What is an ion?
Charged particle
Neutral particle
Atom
Radiation
Which radioactive radiations is used to treat thyroid cancers?
Nitrogen-15
Iodine-131
Carbon-14
Sodium-24
What are the main compositions of the Sun? (2 answers)
Nitrogen
Chlorine
Helium
Hydrogen
Which is the correct importance of magnetosphere?
Protects the atmosphere of Earth
Produces energetic protons and electrons
Protects Earth from being hit by the particles in the solar wind
Causes geomagnetic storm
Who is the first human to set foot on the Moon?
Neil Armstrong
Major Yuri Gagarin
Dr. Sheikh Muszaphar Shukor
Columbia
Transpiration is a process where plants lose water in the form of water vapour into the atmosphere by....
condensation
evaporation
distillation
sublimation
Choose the part of a plant where transpiration takes place.
root
stem
flower
leaf
The following structures are found in a cross section of a leaf except....
lower epidermis
spongy mesophyll cells
palisade mesophyll cells
epithelial cells
Which of the following helps to reduce the lose of water from a plant?
the arrangement of palisade mesophyll cells
the presence of xylem
the waxy layer of cuticle
the arrangement of spongy mesophyll cells
The water lose from a plant through the
xylem
phloem
stomata
epidermis
The opening of closing of stomata is controlled by the...
guard cells
palisade cells
lower epidermis cells
phloem
During day, stomata usually..
closed
opened
shrink
expand
During photosynthesis, this substance enter the leaf through the stomata.
water
glucose
carbon dioxide
oxygen
In plants, water can lose through these processes...
Transpiration
Translocation
Guttation
Secretion
The water droplets which formed through guttation is known as....
water vapour
tears
dew
sweat
Choose the factors which can affect the rate of transpiration.
temperature
humidity
light intensity
air movement
The following factor can also affect the rate of transpiration..
the number of leaves
the number of flowers
the number of stomata
the amount of water in the soil
Which situation can increases the rate of transpiration?
A plant without leaves
A plant placed under the roof
A plant placed in the room with air conditioner
A plant placed in front of a table fan with speed 2
Vascular bundle consists of...
stem
xylem
root
phloem
Function of xylem is to....
transport the product of photosynthesis
transport water from the root
transport minerals from the root to the leaves
transport water and minerals from the root to the leaves
The diagram shows the arrangement of vascular bundle found in..
root
leaf
stem
flower
The function of phloem is to...
transport minerals from the root to the leaves
transport sucrose formed during photosynthesis from the leaves to other parts of the plant
transport glucose formed during photosynthesis from the leaves to other parts of the plant
transport sucrose formed during photosynthesis from the root to other parts of the plant
the diagram shows a cross section of a leaf. What is X?
Phloem
stoma
xylem
guard cells
The diagram shows a stem which the phloem has been removed. What will happen to the plant after 2 weeks?
The plant die
The upper part of the stem becomes swollen
The lower part of the stem becomes swollen
The root becomes swollen
A few days after the experiment, the plant can still carry out photosynthesis. Why?
The new phloem is produced
The xylem can still transports water and mineral
Photosynthesis is not affected at all
The plant can survives without phloem
A few days after the experiment, the plant can still carry out photosynthesis. Why?
The new phloem is produced
The xylem can still transports water and mineral
Photosynthesis is not affected at all
The plant can survives without phloem
Reactivity of metal towards oxygen increases down the reactivity series of metal diagram
True
False
In a vigorous reaction between a more reactive metal such as magnesium and oxygen, a bright flame is observed
True
False
In a less vigorous reaction between a less reactive metal such as iron and oxygen, only a glow or slow change in colour is observed
True
False
Magnesium is more reactive towards oxygen compared to
Calcium
Zinc
Sodium
Potassium
If carbon can remove oxygen from a metal oxide, it means carbon is ___________ reactive than the metal.
more
less
The most reactive metal in the reactivity series of metals is ______________.
Calcium
Potassium
Magnesium
Aluminium
What are the two non-metal elements that are included in the reactivity series of metals?
Calcium
Carbon
Sodium
Hydrogen
Choose the correct sequence.
.............. , ............ , .........
----------------------------------->
Reactivity towards oxygen increases
Silver , Copper , Tin
Iron , Lead , Mercury
Magnesium , Aluminium , Calcium
Iron , Carbon , Lead
What will happened when lead oxide react with hydrogen?
Lead oxide burns brightly
Yellow powder turns shiny grey
Lead is produced
All of the above
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
Based on the following diagram, what is the function of potassium manganate (VII) crystals in this experiment?
To supply oxygen
To avoid the metals to mix with each other
To release heat
To give out water vapour
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
Which reaction explains about exothermic reaction?
Heat is absorbed from the surroundings
Surrounding temperature increases
Heat energy is changed to chemical energy
Thermometer reading decreases
Which statement is correct about endothermic reaction?
Heat is released
Thermometer reading increases
Surrounding temperature increases
Breaks the chemical bonds of the reactant
Respiration is an exothermic reaction.
Which of the following explains about the process?
Release heat to the environment
The chemical bond in glucose is broken down
Heat energy is changed to chemical energy
Forming water as byproduct
Which process does not involve the release of heat energy?
The combustion of petrol
The formation of ice
Volcano eruption
Melting of butter
The diagram shows the bread dough is put into an oven to be baked.
Which statements are correct about the baking process?
Choose more than one answer.
Endothermic reaction occurs
The heat from the oven is absorbed by the dough
Thermal equilibrium achieved when the bread is cooked
The formation of new substance did not occur
The diagram shows sublimation process that occurs in dry ice.
This process is endothermic. Why?
New substance is formed
There is a conversion of energy
Dry ice absorbs heat from surroundings
The water vapour formed is very cold.
Endothermic is a reaction that absorbs heat.
TRUE
FALSE
Breaking the chemical bond releases energy.
TRUE
FALSE
What happens when heat energy is absorbed?
Bond formation occurs
Exothermic reaction
Bond breakage occurs
No change occurred
How can we identify that the absorption of heat has occurred?
The surrounding temperature increases
The surrounding temperature decreases
The container will heat up
No change occurs
The diagram shows a chemical reaction.
The initial temperature of distilled water is 27⁰C.
What temperature may be recorded by the thermometer in the sodium hydroxide solution?
35⁰C
20⁰C
18⁰C
10⁰C
Which of the following is an endothermic reaction?
Photosynthesis
Respiration
Burning of dried leaves
Neutralisation
What is the use of hot pack?
Treating swelling
Cure fever
Relieve joint pain
Relieve inflammation
The temperature of the substance in a reaction remains constant after reaching the thermal equilibrium.
TRUE
FALSE
Choose the tools that apply the concept of thermochemistry reactions.
Yang manakah tindakan ialah dikawal oleh medula oblongata ?
Which reaction are controlled by medulla oblongata ?
Berenang
Swimming
Denyutan jantung
Hearbeat
Rembesan air liur
Secretion of saliva
Menyapu lantai
Sweeping the floor
Haiwan yang manakah mempunyai penglihatan stereoskopik ?
Which animals has stereoscopic vision ?
Tikus
Rat
Rusa
Deer
Helang'
Eagle
Kuda
Horse
Haiwan yang manakah mempunyai penglihatan stereoskopik ?
Which animals has stereoscopic vision ?
Tikus
Rat
Rusa
Deer
Helang'
Eagle
Kuda
Horse
Yang manakah ciri-ciri bagi alveolus?
Which are the characteristics of alveolus ?
Luas permukaan kecil
Small surface area
Dindingnya adalah kering
Its wall is dry
Dindingnya adalah setebal satu sel
Its wall is one-cell thick
Dikelilingi oleh suatu rangkaian kapilari darah
It is surrounded by a network of blood capillaries
Apakah fungsi sel darah merah ?
What is the function of red blood cell ?
memainkan satu peranan penting dalam pembekuan darah
plays an important role in blood clotting
mengangkut oksigen dam karbon dioksida
transport oxygen and carbon dioxide
menghasilkan antobodi dan mencernakan bakteria
producing antibodies and digesting bacteria
Apakah fungsi sel darah merah ?
What is the function of red blood cell ?
memainkan satu peranan penting dalam pembekuan darah
plays an important role in blood clotting
mengangkut oksigen dam karbon dioksida
transport oxygen and carbon dioxide
menghasilkan antobodi dan mencernakan bakteria
producing antibodies and digesting bacteria
Apakah fungsi sel darah putih ?
What is the function of white blood cell ?
memainkan peranan penting dalam pembekuan darah
plays an important role in blood clotting
mengangkut oksigen dan karbon dioksida
transporting oxygen and carbon dioxide
menghasilkan antibodi dan mencernakan bakteria
producing antibodies and digesting bacteria
Persamaan kimia berikut memmerihalkan respirasi sel.
The following chemical equations describe cell respiration.
Glukosa + Oksigen > P + Q + Tenaga
Glocose + Oxygen > P + Q + Energy
Apakah yang diwakili oleh P dan Q?
What are represented by P and Q ?
air dan hidrogen
water and hydrogen
nitrogen dan hidrogen
nitrogen and hydrogen
air dan karbon dioksida
water and carbon dioxide
nitrogen dan karbon dioksida
nitrogen and carbon dioxide
Persamaan kimia berikut memmerihalkan respirasi sel.
The following chemical equations describe cell respiration.
Glukosa + Oksigen > P + Q + Tenaga
Glocose + Oxygen > P + Q + Energy
Apakah yang diwakili oleh P dan Q?
What are represented by P and Q ?
air dan hidrogen
water and hydrogen
nitrogen dan hidrogen
nitrogen and hydrogen
air dan karbon dioksida
water and carbon dioxide
nitrogen dan karbon dioksida
nitrogen and carbon dioxide
Nyatakan faktor-faktor yang mempengaruhi kepekaan kulit.
State the factors that affect the skin's sensitivity.
Ketebalan epidermis
The thickness of the epidermis
Bilangan reseptor pada kulit
Number of receptors on the skin
Bilangan kapilari darah pada kulit
The number of capillaries of blood on the skin
Ketebalan lapisan lemak di bawah kulit
The thickness of the fat layer under the skin
Antara berikut, yang manakah menukarkan getaran bunyi kepada impuls saraf di dalam telinga ?
Which of the following converts sound vibrations to nerve impulses in the ear?
Osikel
Ossicles
Koklea
Cochlea
Jendela bujur
Oval window
Saraf auditori
Auditory nerve
Oksigen bergerak dari alveoli ke kapilari darah memalui proses ___________ .
Oxygen moves from the alveoli to the blood capillary through the ___________ process.
osmosis
osmosis
resapan
diffusion
rembesan
secretion
penapisan
filtration
Oksigen bergerak dari alveoli ke kapilari darah memalui proses ___________ .
Oxygen moves from the alveoli to the blood capillary through the ___________ process.
osmosis
osmosis
resapan
diffusion
rembesan
secretion
penapisan
filtration
Which of the following is not used for breathing?
Skin
Gills
Lungs
Feelers
The following process takes place in plants.
What is this process called?
Transport
Circulation
Respiration
Photosynthesis
Which of the following statements about the circulatory system are true?
A. Our pulse rate increases when we are anxious.
B. The number of times our heart beats in one minute is called our pulse rate.
C. Blood pumped to various parts of our body as a result of the contraction of our heart muscles.
D. Our heart, blood vessels and the blood that flows through them, together, form the circulatory system.
A, B and D only.
A, C and D only.
B, C and D only.
A, B, C and D.
Which of the following substances are transported by blood?
A. Water
B. Waste materials
C. Undigested food
D. Oxygen and Carbon Dioxide
A and D only.
A, B and D only.
A, C and D only.
A, B, C and D
Which body system that exchanges Oxygen for Carbon Dioxide?
Respiration System
Excretion System
Digestion System
Nervous System
The main tube in respiration
Lungs
Trachea
Alveoli
Bronchial tubes
The TWO tubes that entering the lungs
Pharynx
Larynx
Bronchus
Bronchioles
The smaller branches in lungs
Pharynx
Epiglottis
Bronchioles
Alveoli
Place where exchange of gases happen
Bronchus
Alveoli
Larynx
Pharynx
The process of taking air into the body
Inhalation
Exhalation
Excretion
Digestion
The process of taking air out of the body
Digestion
Exhalation
Inhalation
Excretion
Which inhalation steps are in the correct order?
air forced in --> diaphragm relaxes --> air pressure raises
diaphragm contracts --> air pressure lowers --> air forced in
air pressure raises --> air forced out --> diaphragm contracts
diaphragm relaxes --> air pressure drops --> air forced in
which exhalation steps are correct?
diaphragm relaxes --> air pressure raises --> air forced out
air forced in --> air pressure raises --> diaphragm contracts
diaphragm contracts --> air forced out --> air pressure drops
air pressure raises --> diaphragm contracts --> air forced out
Antara berikut, yang manakah merupakan tindakan
terkawal?
Which of the following is a voluntary action?
Peristalsis
Peristalsis
Bercakap
Talking
Berpeluh
Sweating
Denyutan jantung
Heartbeat
Antara berikut, yang manakah merupakan tindakan
terkawal?
Which of the following is a voluntary action?
Peristalsis
Peristalsis
Bercakap
Talking
Berpeluh
Sweating
Denyutan jantung
Heartbeat
Antara pernyataan berikut, 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 fototropisme positif dan geotropisme negatif.
Roots show positive phototropism and negative geotropism.
Akar menunjukkan geotropisme positif dan hidrotropisme negatif .
Roots show positive geotropism and negative hydrotropism.
Pucuk menunjukkan geotropisme positif dan hidrotropisme positif.
Shoots show positive geotropism and positive hydrotropism.
Apakah fungsi rerambut pada lapisan di dalam lubang hidung?
What is the function of the hairs on the inside lining of the nose?
Untuk merembeskan mukus yang membantu melembapkan udara
To secrete mucus that help to moisten the air
Untuk melindungi rongga nasal semasa menarik nafas
To protect the nasal cavity during inhalation
Untuk memerangkap partikel asing yang hadir dalam udara sedutan
To trap foreign particles present in the inhaled air
Untuk meningkatkan proses tarikan dan hembusan nafas
To enhance the inhalation and exhalation process
Apakah organ deria yang digunakan oleh orang cacat penglihatan dalam membaca Braille?
What sensory organ is used by blind people in Braille reading?
Kulit
Skin
Hidung
Nose
Mata
Eye
Lidah
Tongue
Antara bahagian sistem respirasi manusia, yang manakah terlibat dalam pertukaran gas?
Which part of the human respiratory system is involved in the exchange of gases?
Trakea
Trachea
Rongga hidung
Nasal cavity
Bronkiol
Brochioles
Alveolus
Alveoli
Apakah yang akan berlaku sekiranya tumbuhan tidak bergerak balas terhadap geotropisme?
Which of the following would most likely happen if plants did not respond to geotropism?
Akar tumbuhan akan tumbuh dalam semua arah
Plant roots would grow in every direction
Akar tumbuhan akan terus tumbuh ke bawah
Plant roots would continue to grow downwards
Plants stems would grow upwards
Batang tumbuhan akan tumbuh ke atas
The plant would grow larger than usual
Tumbuhan akan tumbuh lebih besar daripada biasa
Antara aktiviti berikut yang manakah menyumbang kepada peningkatan gas oksigen di atmosfera?
Which of the following activity contributes to an increase in oxygen gas in the atmosphere?
Pembakaran
Combustion
Fotosintesis
Photosynthesis
Pengaratan
Rusting
Respirasi
Respiration
Antara aktiviti berikut yang manakah menyumbang kepada peningkatan gas oksigen di atmosfera?
Which of the following activity contributes to an increase in oxygen gas in the atmosphere?
Pembakaran
Combustion
Fotosintesis
Photosynthesis
Pengaratan
Rusting
Respirasi
Respiration
Mengapakah proses transpirasi penting bagi tumbuhan?
Why does transpiration process is important for plants?
To produce more plants
Untuk menghasilkan lebih banyak tumbuhan
For cooling down the plant
Untuk menyejukkan tumbuhan
To accelerate plant growth
Untuk mempercepatkan tumbesaran tumbuhan
To increase photosynthesis rate
Untuk meningkatkan kadar fotosintesis
J- Otak K- Saraf spina
Brain Spinal nerves
L- Saraf tunjang M- Saraf kranium
Spinal cord Cranial nerves
Antara berikut, yang manakah mewakili sistem saraf pusat?
Which of the following represent the central nervous system?
J and K
J and L
K and M
L and M
Apakah faktor-faktor yang memberi kesan kepada kepekaan kulit?
What are the factors that affect the sensitivity of the skin?
I Bilangan reseptor deria yang hadir
The number of sensory receptors present
II Ketebalan lapisan epidermis
The thickness of epidermis layer
III Ketebalan lapisan dermis
The thickness of dermis layer
I and II
I and III
II and III
I, II and III
Transpiration is a process where plants lose water in the form of water vapour into the atmosphere by....
condensation
evaporation
distillation
sublimation
Choose the part of a plant where transpiration takes place.
root
stem
flower
leaf
The following structures are found in a cross section of a leaf except....
lower epidermis
spongy mesophyll cells
palisade mesophyll cells
epithelial cells
The water lose from a plant through the
xylem
phloem
stomata
epidermis
During day, stomata usually..
closed
opened
shrink
expand
In plants, water can lose through these processes...
Transpiration
Translocation
Guttation
Secretion
Which one is renewable energy source?
Nuclear
Geothermal
Coal
Natural gas
What is the energy changes that occur in the power station?
Wind energy --> electrical energy
kinetic energy --> electrical energy
Chemical energy --> electrical energy
Gravitational potential energy --> electrical energy
Diagram shows two energy sources M and N. What are the types of energy sources for M and N?
M-non renewable, N-non renewable
M-non renewable, N-renewable
M-renewable, N-non renewable
M-renewable, N-renewable
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
Which one is NOT renewable energy sources?
petroleum and wind
wind and geothermal
geothermal and nuclear energy
Petroleum and nuclear energy
Which of the follwing generators does not use a turbine to produce electricity?
nuclear generators
solar
hydroelectric generators
thermal generators
Which power station uses firewood as the energy source?
nuclear
biomass
thermal
hydroelectric
Which power generator generates direct current?
Hydroelectric
Nuclear energy
Solar
Petroleum
How is induced current detected in this activity?
electrostatic at hand
movement of copper rod
movement of magnet
movement of galvanometer pointer
Which one is renewable energy source?
Nuclear
Geothermal
Coal
Natural gas
Diagram shows two energy sources M and N. What are the types of energy sources for M and N?
M-non renewable, N-non renewable
M-non renewable, N-renewable
M-renewable, N-non renewable
M-renewable, N-renewable
Which of the following is non - renewable source of energy?
Some energy source are renewable while some are non - renewable.
Choose on non - renewable energy sources.
Natural gas
Water
Geothermal
Coal
