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WorksheetsSCIENCE F3 2021
Total questions: 62
Worksheet time: 1hrs 22mins
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
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 faktor yang tidak memepengaruhi kadar denyutan nadi ?
What factors do not affect pulse rate?
Umur
Age
Bangsa
Race
Jantina
Gender
Kesihatan badan
Body health
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
Bryan menolak troli sejauh 20m dengan daya 40N. Hitung kerja , dalam J, yang dilakukan.
Bryan pushed the cart 20m to 40N. Calculate the work, in J, that is done.
0.5J
2J
60J
800J
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
Darah kumpulan B boleh didermakan kepada orang yang mempunyai darah kumpulan _____ .
Group B blood can be donated to people with group blood _____.
B
AB
O
Which of the following is an example of appliance using alternating power source?
This picture is an example of a ________________.
Motor
Generator
Step-up transformer
Step-down transformer
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
Berapakah nilai voltan input pada soket elektrik dirumah anda?
24
240
2400
2.4
A transformer consists of
Metal Core
Metal core and coiled wire
Metal core and polymer wire
Polymer core and metal wire
Step-up transformer is a transformer that increases...
voltage.
current.
resistance.
conductance.
Assume primary has 240 turns and secondary has 60 turns. Primary is connected with 120V AC power supply. What is the voltage on the secondary?
30 V
0.333 V
2 V
120V
What is the effect of increasing light intensity in transpiration?
It decreases transpiration rates
It increases transpiration rates
It doesn't impact the rate of transpiration
Which of the following indicates the pathway of water through a plant?
root hair cell --> xylem --> stomata
stomata --> root hair cell --> xylem
xylem --> stomata --> root hair cell
When sodium hydroxide is added to hydrochloric acid, the temperature reading on the thermometer is ______________ and the reaction name is __________________
decreasing
increasing
constant
neutralisation
titration
Based on the experiment, sodium hydroxide and ammonium chloride are the
responding variable
fixed variable
manipulated variable
Valve that blood is forced through from right ventricle into pulmonary arteries.
pulmonary semi lunar valve
aortic valve
mitral valve
Which is the correct flow of blood?
R. atrium --> R. Ventricle --> pulmonary artery
R. atrium --> L. atrium --> aorta
L. ventricle --> pulmonary artery --> aorta
L. ventricle --> L. atrium --> aorta
................................... of the heart has the thick muscular wall because it pumps the blood to the systemic circuit
left ventricle
Right ventricle
right atrium
left atrium
Deoxygenated blood enters the right atrium from the top of the heart.
inferior vena cava
superior vena cava
aorta
Blood enters the right atrium through which vessels
Superior and Inferior Vena Cava
Pulmonary Artery
Pulmonary Vein
Tricuspid Valve
Choose the correct organism which has this type of circulatory system.
Dolphin
Prawn
Clown fish
Platypus
Name an animal which has this type of circulatory system.
Turtle
Salamander
Porcupine
Lizard
Select the organisms that have this type of circulatory system.
Eagle
Whale
Shark
Platypus
Alligator
Which of the following is (are) the characteristics of the blood circulatory system of an amphibian?
has 2 atria
has 2 ventricles
has complete septum
I Suhu meningkat / temperature increses
II Warna kapas kekal putih / The colour of white cotton retained
III Larutan penunjuk hidrogen karbonat bertukar dari merah ke hijau / The colour of hydrogen carbonat indicator changes from red to green
IV Larutan penunjuk hidrogen karbonat bertukar dari merah ke kuning / The colour of hydrogen carbonat indicator changes from red to yellow
The following are structures involved when touching hot object.
J - spinal cord
K - effector
L - stimulus
M - affector
N - response
N, M, L, J, K
L, K, J, M, N
L, M, J, K, N
M, N, J, L, K
Diagram 1 shows the structure of the human eye. What is the function of structure X?
Detects light to produce nerve impulse.
Helps the lens to refracts light onto the retina.
Maintains shape of the eyeball.
Controls the size of pupil.
Which of the following structures of ear amplify the sound vibration?
Pinna
Ossicles
Ear canal
Eardrum
The following information is about a response in plants.
~ a response towards gravity
~ roots always grow downwards
Which of the following is the response related to the information above?
Positive phototropism
Negative hydrotropism
Positive geotropism
Negative thigmotropism
Seismonastic is a type of mastic response that stimulated to touch. Which plants shows seismonastic?
Morning glory
Paddy plant
Venus fly trap
Sunflower plant
How does the sight of animal shown in the diagram help its survival?
hunt prey quickly
estimate the distance of predator accurately
detect predator from various directions
detect predator from a very far distance
Which pairing of animal and their sensory organs is correct?
Owl - secretion of pheromone
Fish - producing electric field
Platypus - lateral line
Snake - Jacobson's organ
Which of the following is FALSE about pumping of heart?
The "dup" sound is produced by the semilunar valve closure in the aorta and pulmonary artery
Diastole happens during ventricular relaxation
The "lub" sound is produced by the semilunar valve closure between the atrium and the ventricles
Systole happens during ventricular contraction
Which of following is/are the component of blood?
Red blood cell
White blood cell
Platelet
Plasma
Which of the following is FALSE about red blood cell?
Life span of 120 days
Produced by bone marrow
Irregular shape
Contains haemoglobin
Which of the following is FALSE about white blood cell?
Irregular shape
Has a large nucleus
Produced by bone marrow
Carries oxygen
Which of the following is FALSE about platelet?
Produced by bone marrow
Not found in blood
Helps in blood clotting
Life span is about 4 days
Which of the following is TRUE about blood group AB?
Known as universal donor
Has no antigen on the surface of red blood cell
Known as universal recipient
Has anti-A and anti-B in the serum
Which of the following is the part labelled X?
Cuticle
Stoma
Upper epidermis
Xylem
Which of the following is CORRECT about the definition of transpiration?
It is a process of losing water in the form of water vapour from the surface of the leaves to the air by evaporation
It is a process of losing water in the form of water vapour from the surface of the leaves to the air by diffusion
It is a process of losing water in the form of water vapour from the surface of the leaves to the air by active transport
It is a process of losing water in the form of water vapour from the root of the plant to the air by evaporation
Which of the following is FALSE about the stoma function in transpiration process?
During transpiration, the loss of water occurs through the stoma pores on leaves.
The stoma is open to carry out photosynthesis when there is light.
The stoma closed when dark or when the plant loses too much water on a hot day.
The stoma is open to carry photosynthesis when dark or on a cold day.
The following is/ are true about guttation EXCEPT
Water is also lost from plants through the guttation.
Guttation is the loss of water from plants in the form of liquids through hydathodes that are always open on the edge of the leaf.
Involves stoma.
The stoma is open to carry out photosynthesis when there is light and closed when dark or when the plant loses too much water on a hot day.
What is the instrument to measure blood pressure?
Sphygmomanometer
Thermometer
Stethoscope
Telescope
Which of the following is/ are the factors that influence the rate of transpiration?
Temperature
Light intensity
Air movement
Wind direction
Which of the following is NOT the similarities between blood circulatory system in animals and transport systems in plants?
Both are transport systems
Both transport water, nutrients and dissolved substances
Both are present in complex organisms
Both are present in simple organisms
