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WorksheetsSoalan Sains
Total questions: 20
Worksheet time: 10mins
Which gas is required in the process of photosynthesis?
Oxygen
Nitrogen
Carbon dioxide
Hydrogen
Red blood cells are biconcave in shape. The function of this shape is…
To speed up blood clotting
To facilitate movement in blood vessels
To increase surface area for gas exchange
To protect cells from infection
Which of the following is the SI unit of force?
Joule
Newton
Watt
Pascal
The electric current flowing through a wire is measured using…
Voltmeter
Ammeter
Ohmmeter
Galvanometer
When water changes from liquid to vapor, the particles…
Move slower
Move faster and spread apart
Move without energy
Become closer together
Which of the following is an example of a chemical change?
Ice melting
Salt dissolving in water
Iron rusting
Water boiling
The main greenhouse gas released from motor vehicles is…
Carbon monoxide
Ozone
Carbon dioxide
Nitrogen dioxide
Which organ filters urea from human blood?
Liver
Kidney
Heart
Lungs
Which planet has the shortest day (rotates the fastest)?
Earth
Mars
Jupiter
Saturn
The process that generates energy in the Sun is…
Nuclear fission
Burning fossil fuels
Nuclear fusion
Photosynthesis
Which of the following is not an alkali metal?
Lithium
Sodium
Magnesium
Potassium
In aerobic respiration, glucose + oxygen → ?
Carbon dioxide + water + energy
Carbon monoxide + water
Oxygen + energy only
Carbon dioxide + oxygen
Which is not an example of a good thermal insulator?
Sheep wool
Styrofoam
Aluminum metal
Cotton wool
A convex lens is used in microscopes because it…
Magnifies the image
Reduces the image
Inverts the image
Eliminates the image
The SI unit of energy is…
Watt
Joule
Volt
Newton
Which of the following is a renewable energy source?
Coal
Crude oil
Solar energy
Natural gas
In the neutralization equation: acid + alkali → …
Salt + water
Salt + gas
Water + heat
Heat + oxygen
Which structure controls the entry and exit of substances into the cell?
Nucleus
Cytoplasm
Plasma membrane
Mitochondria
Heat is transferred through hot metal by…
Conduction
Convection
Radiation
Photosynthesis
The layer of the atmosphere that filters ultraviolet radiation is…
Troposphere
Stratosphere
Mesosphere
Thermosphere
