The teeth which help in tearing the food are the:

1. Incisors
2. Canines
3. Premolars
4. Molars

Last molar tooth in human beings is called:

1. Adult tooth
2. Wisdom tooth
3. Child tooth
4. Elder's tooth

Saliva converts starch into:

1. Glucose
2. Sucrose
3. Maltose
4. Lactose

Proteins of the milk are converted into curd by the enzyme:

1. Trypsin
2. Rennin
3. Pepsin
4. Erepsin