Digestion and Absorption · Question 20

The primary dentition in human differs from permanent dentition in not having one of the following type of teeth.

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

Gastric juice of infants contains

1. pepsinogen, lipase, rennin
2. amylase, rennin, pepsinogen
3. maltase, pepsinogen, rennin
4. nuclease, pepsinogen

Which of the following statements is not correct?

1. Oxyntic cells are present in the mucosa of stomach and secrete HCl.
2. Acini are present in the pancreas and secrete carboxypeptidase.
3. Brunner's glands are present in the submucosa of stomach and secrete pepsinogen.
4. Goblet cells are present in the mucosa of intestine and secrete mucus.

The initial step in the digestion of milk in humans is carried out by

1. lipase
2. trypsin
3. rennin
4. pepsin.

Fructose is absorbed into the blood through mucosa cells of intestine by the process called

1. active transport
2. facilitated transport
3. simple diffusion
4. co-transport mechanism.

Select the correct match of the digested products in humans given in column I with their absorption site and mechanism in column II.

1. array|l|l| Column I & Column II \ Glycerol, fatty acids & Duodenum, move as chylomicrons \ array
2. array|l|l| Column I & Column II \ Cholesterol, maltose & Large intestine, active absorption \ array
3. array|l|l| Column I & Column II \ Glycine, glucose & Small intestine, active absorption \ array
4. array|l|l| Column I & Column II \ Fructose, Na+ & Small intestine, passive absorption \ array

A healthy person eats the following diet – 5 g raw sugar, 4 g albumin, 10 g pure buffalo ghee adulterated with 2 g vegetable ghee (hydrogenated vegetable oil) and 5 g lignin. How many calories he is likely to get?

1. 126
2. 164
3. 112
4. 144

Which enzymes are likely to act on the baked potatoes eaten by a man, starting from the mouth and as it moves down the alimentary canal?

1. Pancreatic amylase Salivary amylase Lipases
2. Disaccharidase like maltase Lipases Nucleases
3. Salivary amylase Pancreatic amylase Disaccharidases
4. Salivary maltase Carboxy peptidase Trypsinogen

Where do certain symbiotic microorganisms normally occur in human body?

1. Caecum
2. Oral lining and tongue surface
3. Vermiform appendix and rectum
4. Duodenum

Anxiety and eating spicy food together in an otherwise normal human, may lead to

1. indigestion
2. jaundice
3. diarrhoea
4. vomiting