WorksheetsFOrm 3 science DLP revision
Total questions: 56
Worksheet time: 36mins
Gerak balas apabila bahagian tumbuhan yang bergerak balas terhadap graviti dipanggil:
The response of plants reacting to gravity is called:
Fototropisme / Phototropism
Geotropisme / Geotropism
Hidrotropisme / Hidrotropisme
Tigmotropisme / Thigmotropism
Fototropisme bergerak balas terhadap rangsangan _____
Phototropism is response to the stimulus of___
Cahaya / Light
Sentuhan / Touch
Graviti / Gravity
Air / Water
Geotropisme ialah tindak balas terhadap rangsangan ____.
Geotropism is response to the stimulus of ______.
cahaya / light
graviti / gravity
air / water
sentuhan / touch
Tropisme ialah ____
Tropisms is. . .
gerak balas terah tumbuhan terhadap rangsangan
a directional response of plants to stimuli
saat tumbuhan bergerak ke arah cahaya.
moment of plant towards light
gerak balas akar dengan air
response of roots with water
gerak balas terhadap graviti
response to gravity
Bahagian pada tumbuhan yang tumbuh menjauhi rangsangan dikenali sebagai_____
Part of plants which grows away from stimulus is known as___
Gerak balas dalam tumbuhan
Response in plant
Gerakan nastik
Nastic movement
Tropisme negatif
Negative tropism
Tropisme positif
Positive tropisms
Pokok timun tumbuh memanjat pokok dengan sentuhan.
Cucumber plant grows on a tree by touch.
Geotropisme / Geotropism
Fototropisme / Phototropism
Tigmotropisme /Thigmotropism
Hidrotropisme / Hydrotropism
Akar tumbuhan tumbuh ke bawah
The root of a plant growing down.
Geotropisme positif
Positive Geotropism
Geotropisme negatif
Negative Geotropism
Tigmotropisme / Thigmotropism
Hidrtropisme / Hydrotropism
Sulur paut tumbuhan memanjat dan melilit pada pagar . Apakah jenis gerak balas tumbuhan tersebut?
A vine plant brushes against a fence and wraps itself around the fence. To what stimulus is the plant responding?
fototropisme / phototropism
hidrotropisme / hydrotropism
tigmotropisme / thigmotropism
geotropisme / geotropism
Mimosa sp. bergerak balas terhadap sentuhan dengan menguncup ke dalam apabila disentuh. Gerak balas inni berlaku dengan cepat.
Mimosa sp. responds to touch by folding its leaves inwards when touched. The responds occurs rapidly.
Tigmotropisme / Thigmotropism
Fototropisme / Phototropism
Geotropisme / Geotropism
Gerakan nastik / Nastic movement
This type of vision allows animals to see each side of its body to protect themselves from predators.
Monocular
Tricnocular
Binocular
Tunnel Vision
This animal has ______________
Monocular vision
Stereoscopic vision
Stereophonic vision
Trinocular vision
What is the advantage of monocular vision?
provide a narrow field of vision
able to form three dimensional image
field of vision overlap greatly
able to detect enemies coming from any direction
This animal has ____________
Stereoscopic vision
Monocular vision
Trinocular vision
Stereophonic vision
This zone is the movement of heat going from the radiative zone to the surface and back.
Core
Photosphere
Convection Zone
Corona
Nuclear Fusion is when ________ atoms are squeezed together forming _________ atoms.
Hydrogen / Helium
Nitrogen / Hydrogen
Oxygen / Neon
Helium / Oxygen
Tremendous explosions of energy in the chromosphere
Core
Sun Spots
Solar Flares
Photosphere
When we look at the sun our eyes thinks this layer of the sun is solid.
Sun Flare
Sun Spot
Corona
Photosphere
If a transformer reduces voltage, it is called a....................... transformer.
step left
step right
step up
step down
The winding of wire around a core which is connected to a source of energy is called the ....... coil.
primary
secondary
tertiary
Calculate potential difference in the secondary coil based on the information given below.
Vp = 240 V
Np = 20
Ns = 125
Vs ?
1500
500
1000
2000
Which of the following is an example of appliance using alternating power source?
A transformer has 100 turns in the primary coil and 25 turns in the secondary coil. When a 120 V is applied to the primary coil, what is the voltage in the secondary coil?
480V
30V
20V
450V
Electricity is generated at a .......
power station
petrol station
power source
source of energy
Why is alternating current used instead of direct current in the transmission of electricity through long distances?
Only alternating current can flow through the cables.
Alternating current voltage can be stepped up or stepped down by using transformers.
Most of the electrical appliances work only with alternating current.
Generating direct current is more complicated than generating alternating current.
The function of the transformer in the transmission of electricity is to
increase the resistance.
change the voltage.
reduce the time to transmit the electricity.
increase the power.
A transformer has an output voltage of 40 V and an output current of 5 A. The input current is 0.25 A and the primary coil has 50 turns.
How many number of turns are in the secondary coil?
25 turns
2.5 turns
250 turns
2,500 turns
The position of a metal in the reactivity series of metals depends on the reactivity of the metal when reacting with ....
Carbon
Hydrogen
Oxygen
Sulphur
Aluminium is more reactive than ....
Calcium and Zinc
Sodium and Gold
Magnesium and Copper
Lead and Iron
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
Complete the word equation below.
Magnesium + oxygen --> .....
Magnesium
Magnesium oxide
Oxides
Magnesium oxide + water
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
Choose the correct sequence.
.............. , ............ , .........
----------------------------------->
Reactivity towards oxygen increases
Silver , Copper , Tin
Iron , Lead , Mercury
Magnesium , Aluminium , Calcium
Iron , Carbon , Lead
Metal oxides that more reactive than carbon can be extracted through ......
Electrolysis
Fractional distillation
Evaporation
Photosynthesis
What is the gas released when potassium manganate is heated?
Hydrogen
Oxygen
Carbon dioxide
Carbon monoxide
If the metal filling is zinc, what is the end product of reaction
zinc metal
zinc oxide
zinc carbonate
zinc manganate
Which of the following will react faster when heated
Aluminium
Ferum
Zinc
Lead
What makes up around 55% of the blood?
Plasma
Red Blood Cells
White Blood Cells
Platelets
Which blood vessel has valves to prevent the back-flow of blood?
Veins
Arteries
Capillaries
Which is the smallest of the 3 blood vessels?
Veins
Arteries
Capillaries
What is the function (job) of the platelets?
To form clots (i.e. scabs) when you have cuts and grazes.
To transport oxygen to the muscles
To carry dissolved sugars.
To produce antibodies
Red Blood Cells are formed in our ....
Bone marrow
Liver
Muscles
Heart
Smooth muscles in arteries help
to push blood along through peristalsis.
to prevent the blood vessel from bursting.
to maintain blood pressure.
the blood vessel in elastic recoil in order to push the blood along during diastole.
Arteries carry..........
Oxygenated blood from the heart to all parts of the body
Deoxygenated blood to the heart
Oxygen rich blood to the heart
Carbon dioxide rich blood
which of the following bloods is the universal recipient?
A
B
O
AB
WHICH OF THE FOLLOWING BLOODS IS THE UNIVERSAL DONOR?
A
B
O
AB
WHICH ANTIGEN CAN BE FOUND ON BLOOD GROUP A ?
ANTIGEN A
ANTIGEN B
ANTIGEN A AND ANTIGEN B
NO ANTIGEN
Someone with type A blood donates whole blood to someone with type B blood. What occurs?
The transfusion goes well, no negative effects.
Agglutination occurs in the person with type B blood. The donor cells are affected.
Agglutination occurs in the person with type B blood. Their own blood cells are affected.
The person with type B blood will die.
Someone with type O blood donates plasma to someone with type A blood. What happens?
The transfusion goes well with no negative results.
Agglutination occurs in the person with type A blood. This affects the donor cells.
Agglutination occurs in the person with type A blood. This affects their own cells.
Agglutination occurs in the person with type O blood because they have Anti-A antibodies.
A toaster, rated 1500 W 240 V, is switched on for 15 minutes. Calculate the energy used.
3600 J
22 500 J
216 000 J
1 350 000 J
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
An oven rated 750 W, 220 V is switched on for 45 minutes. Calculate the cost of energy that is used by the oven if the cost per 1 unit is 30 sen?
3 sen
17 sen
16875 sen
4 sen
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
What is the unit of current?
ohm
ampere
volt
joule
What is the meaning of "Energy Efficiency"?
percentage of energy input converted to useful form of energy output
percentage of energy output converted to useful form of energy input
percentage of energy input converted to unbeneficial energy output
