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Subject :NSO    Class : Class 7

Read the given paragraph where few words have been italicised. Select the incorrect statement regarding it.
Teeth present in our mouth break food into smaller pieces. Each tooth is covered with a hard substance called enamel. Incisors are pointed teeth, used for grinding food into smaller pieces. Canines are chiselshaped teeth, used for piercing and tearing the food.
Premolars have flattened surface and there are six premolars in each jaw. Molars are used to grind food and each jaw has four molars.

AEnamel should not be replaced as it is mentioned correctly.
BThe positions of pointed and chisel-shaped should be interchanged.
CSix should be replaced by two and four should be replaced by eight.
DGrinding should be replaced by cutting and biting while piercing and tearing should not be replaced as it is mentioned correctly.


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