Preliminary Grade 4

This pumps blood to all parts of the body. If it cannot pump blood, the rest of the organs would not be able to work and the body would die.

• Brain

• Lungs

• Kidney

• Heart

Which of these is the formation of sand dunes an example of?

• soil pollution

• crop rotation

• soil conservation

• soil erosion

Which of these is best suited for growing crops?

• loamy soil

• gravel

• sandy soil

• clayey soil

Which of these diseases is generally caused due to water pollution?

• deafness

• lung cancer

• cholera

• bronchitis

Nisha observed small stones in the water she had collected from the nearby river. Which of these methods should she use to separate the stones from water?

• Distillation

• Boiling

• Chlorination

• Filtration

Which tool can BEST separate iron filings in a mixture of sand and pebbles?

• screen

• magnet

• tweezers

• hand lens

Which of these objects would float on water?

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What equipment is best use to view cells?

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• 

Which of the following is a rich source of vitamin C?

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Which of the following helps in the building of strong bones and teeth?

• Iodine

• Calcium

• Fats

• Potassium