The water from the digested food is mainly absorbed by

1. stomach
2. duodenum
3. colon
4. rectum

Which one of the following pairs of types of teeth perform one common function as stated against it?

1. Incisors, canines — Holding
2. Canines, premolars — Tearing
3. Premolars, molars — Grinding
4. Molars, incisors — Tearing

Which of the following teeth is bicuspid ?

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

The temperature range within which enzymes can act best is :

1. 20° to 30°C
2. 35° to 40°C
3. 40° to 45°C
4. 35° to 50°C