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WorksheetsF3 1st Half Year Revision Quiz
Total questions: 45
Worksheet time: 49mins
Which of the following is NOT the sensory organ?
Eye
Nose
Stomach
Skin
A (a) is any change that happens around us such as sound, touch, chemicals etc.
Choose the right sequence of pathway of impulses in voluntary actions.
Stimulus--> Response-->Effector-->Receptor-->Brain
Stimulus-->Receptor-->Brain-->Effector-->Response
Stimulus-->Effector-->Brain-->Receptor-->Response
Receptor-->Stimulus-->Brain-->Response-->Effector
Which of the following are the examples of involuntary actions?
Yawning
Knee jerk
Eating
Heart beating
Choose the structures of the ear which are not involved in hearing:
Auditory canal
Cochlea
Semicircular canal
Eustachian tube
Which of the following is relevant to short-sightedness?
Can be corrected by convex lens
Can be corrected by concave lens
Eye lens too thick
Eye lens too thin
____________ vision is the vision involving both eyes at the front on head, while __________ vision is the vision involving only one eye at each side of the head.
(a)
Choose the correct pathway gas passage during inhalation:
Nostrils-->Trachea-->Bronchus-->Bronchioles-->Alveoli
Trachea-->Bronchus-->Bronchioles-->Alveoli-->Nostrils
Nostrils-->Trachea-->Bronchioles-->Bronchus-->Alveoli
Alveoli-->Nostrils-->Trachea-->Bronchus-->Bronchioles
Label structure X
(a)
What is structure Y?
(a)
Choose the correct mechanism related to exhalation.
Diaphragm relaxes and arches upwards
Diaphragm contracts
Air pressure inside thoracic cavity decreases
Air is forced out of lungs
Which of the followings are adaptation of alveolus for efficient gas exchange?
I. Large surface area
II. Very thin walls
III. Dry inner surface
IV. Surrounded by numerous blood capillaries
I and IV
II and III
I, II, IV
All the above
Choose the components in circulatory system:
Heart
Brain
Blood
Lungs
Which of the following organisms have double closed circulatory system?
Human
Frog
Dog
Fish
Choose the correct statement relevant to human heart.
I. The heart is divided into 4 chambers
II. Atrium has thicker wall than ventricles
III. Left ventricle is thicker than right ventricle
IV. There are presence of valves in heart to ensures blood flow in one direction
All the above
I, III, IV
II, III
I, IV
Choose the right combination.
X= Artery, Y= Vein, Z= Capillary
X= Artery, Y= Capillary, Z= Vein
X= Capillary, Y= Artery, Z= Vein
X= Vein, Y= Capillary, Z= Artery
What is the healthy blood pressure reading of human in mmHg?
(a)
Choose the correct pathway of blood flow in the circulatory system.
Vena cava--> Pulmonary artery--> Pulmonary vein--> Aorta
Aorta--> Pulmonary artery--> Pulmonary vein--> Vena cava
Pulmonary artery-->Vena cava--> Pulmonary vein-->Aorta
Vena cava-->Aorta-->Pulmonary artery--> Pulmonary vein
Which of the following are the appropriate combination of blood donation?
Tom= Blood group O
Jerry= Blood group A
Kim= Blood group AB
Lee= Blood group B
Tom donates to Jerry
Kim donates to Jerry
Lee donates to Tom
Lee donates to Kim
State the condition when the donor's blood is not compatible with the recipient's blood and the red blood cells of donated blood clump together.
(a)
What are the factors that affect rate of transpiration?
I. Light intensity
II. Temperature
III. Presence of wind
IV. Air humidity
I, II, III
I, II, IV
II, III
All the above
Which of the following is an element?
Gold
Bauxite
Galena
Iron oxide
State the product that forms during reaction of metal and oxygen.
(a)
Arrange the following metals in ascending order of reactivity towards oxygen. (Least reactive to the most reactive)
X= Potassium, Y= Copper, Z= Iron
X, Y, Z
X, Z, Y
Y, Z, X
Y, X, Z
Choose the right observations for the below reaction.
Zinc oxide + Hydrogen: No change
Zinc oxide + Hydrogen: Glows
Copper oxide + Hydrogen: No change
Iron oxide + Hydrogen: Glows
Which of the following mineral ore can be extracted using the method of heating its mineral ore with carbon?
I. Aluminium oxide
II. Zinc oxide
III. Calcium oxide
IV. Lead oxide
I, II
II, III
I, IV
II, IV
Complete the following reaction equation:
Copper oxide + Hydrogen --> (a) + Water
Complete the following reaction equation:
Iron oxide + Carbon --> Iron + (a)
An (a) reaction is a chemical reaction that absorbs heat from the surroundings.
Choose the right statement.
Exothermic reaction releases heat to surroundings.
Exothermic reaction will cause increase in temperature
Exothermic reaction involves chemical energy changes to heat energy
Products of exothermic reaction become cool.
Which of the following are the examples of endothermic reaction?
Melting of ice
Respiration
Combustion
Photosynthesis
Choose the renewable energy sources
Biomass
Petroleum
Radioactive material
Hydroenergy
Which of the following are the benefits of renewable energy sources?
I. Continuous supply
II. Cheap
III. Less pollution
I
II
II, II
I, III
Fill up the right energy change in Hydroelectric generator:
(a) energy --> Kinetic energy --> Electric energy
Choose the right statement related to Alternating current:
Current flows in one direction
Its voltage can be changed by transformer
Examples of sources include battery, solar cell etc.
The resulting magnetic effect changes
Electricity is generated using principle of (a) .
Which of the following is correctly matched to the feature of Step-UP transformer?
I. Np>Ns
II. Vs>Vp
III. Input current is lower than output current
IV. Works to increase voltage
I, III
II, IV
II, III, IV
I, IV
Calculate the output voltage of the following transformer.
Given:
Vp= 120 V
Np=20
Ns=60
Vs=?
(a)
A transformer has the number of turns of primary and secondary coils as 100 and 200 turns respectively. If the transformer output voltage is 50V, what is the input voltage?
25V
30V
100V
50V
Why a step-up transformer is used to increase the voltage before transmission from power station to across the country?
To reduce the current in the cable so less energy will be loss to surrounding in the form of heat.
To increase the current in the cable so less energy will be loss to surrounding in the form of heat.
To increase the current in the cable so more energy will be loss to surrounding in the form of heat.
To reduce the current in the cable so more energy will be loss to surrounding in the form of heat.
State the type of wire in a 3-pin plug.
Blue: Neutral wire
Brown: Live wire
Yellow green: (a) wire
Which of the following is correct regarding the single-phase wiring?
I. Supplies electricity with a voltage if 240V
II. Has three cables
III. Installed in residential home requiring low electricity use
I
II
III
I, III
Choose the appropriate fuse rating for the electrical equipment with power of 80W and voltage of 240V.
(Use the formula: Current (I)= Power (P)/ Voltage (V))
1 A
2 A
3 A
5 A
Calculate the energy cost (in RM) of 50 W filament bulb turned on for 2 hours.
*Cost of 1 kilowatt-hour of energy = 20 cents
(a)
Which of the following uses the most electricity?
Power= 40W, used for 10 minutes
Power= 2kW, used for 10 seconds
Power= 50W, used for 10 minutes
Power= 1kW, used for 20 seconds
