REVISION QUESTIONS

Which of the following determines whether an object will float or sink in water?

• Colour of the object

• Shape of the object

• Size of the object

• Temperature of the object

The following animals are vertebrates. Which one is not?

• Mammals

• Reptiles

• Worms

• Fish

Which type of fungi is useful when baking mandazi?

• Toadstoal

• Yeast

• Ringworm

• Mushroom

Which of the following will not produce an echo?

• A cliff

• A room full of firewood

• A large hall

• A valley

Which does not have a backbone?

• Camel

• Donkey

• Centipede

• Duck

The process in which gas changes directly to solid is known as________

• Melting

• Deposition

• Freezing

• Evaporation

Which of the following components of blood protects the body against infections?

• White blood cells

• Red blood cells

• Platelets

• Plasma

Which of the following is not a change of state of matter?

• Sublimation

• Melting

• Decomposition

• Deposition

Which one of the following components of blood transports heat and dissolved food nutrients throughout the body?

• Red blood cells

• White blood cells

• Platelets

• Plasma

Which of the following is an example of freezing?

• Ice changing into water

• Water vapor changing into water

• Water changing into ice

• Water changing into vapour