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Which substance is required for photosynthesis to occur?

• Chlorophyll

• Glucose

• Haemoglobin

• Oxygen

Which row shows what starch molecules and protein molecules are made from?

• A

• B

• C

• D

An enzyme can stop working at certain temperatures.

Which enzyme stops working when the temperature reaches 50oC?

• 
• 
• 
• 

Which features are found in a typical animal cell?

• A

• B

• C

• D

An object is travelling in a straight line at constant speed.

Which statement describes the resultant force on the object?

• It acts in the opposite direction to the motion of the object

• It acts on the same direction as the motion of the object

• It is constant, but not zero

• It is zero

Electricity is generated using wind

Which device is used in the process?

• Dam

• Nuclear reactor

• Solar panel

• Turbine