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

Write True or False in the following statements.

(i) Molars help in cutting and tearing food.

(ii) Carbohydrates are digested into glucose.

(iii) Proteins are digested into fatty acids.

Fill in the blanks:

(i) The teeth called …………… are a total of four in number on the sides of incisors.

(ii) …………… is a common opening of food pipe and wind pipe.

(iii) Molars are meant for …………… the food.

(iv) Incisors are used for …………… and …………… the food.

(v) The …………… are used for tearing the food.

(vi) The …………… and …………… are used for crushing and grinding the food.

(vii) In an adult human, there are a total of …………… teeth.

(viii) The human teeth appears in two sets, the first set is called …………… which consists of only …………… teeth.