The Process of Digestion

Q. Name the digestive juice secreted by the stomach and give its function?

Q.

The movement of food along the oesophagus and rest of the alimentary canal known as:

1. Contraction

2. Peristalsis

3. Bowel rhythm

4. Mastication

Q.

Starch is acted upon by ___

1. Trypsin

2. Pepsin

3. Lipase

4. Amylase

Q.

The last part of the large intestine is ___ .

1. Rectum

2. Anus

3. Gallbladder

4. Mucosa

Q.

Identify the chemical agent in the stomach that is responsible for killing bacteria present in the food and activating pepsin.

1. Ammonium carbonate

2. Carbonic acid

3. Hydrochloric acid

4. Hydroiodic acid

Q.

The entire process of digestion is both ___ and ___.

1. biochemical, biophysical

2. mechanical, biophysical

3. mechanical, biochemical

4. electrochemical, biophysical

Q.

What is the "U" shaped, short upper part of the small intestine called?

1. Villi

2. Bolus

3. Duodenum

4. Canal

Q.

Saliva contains an enzyme called ___. It acts upon starch and produces ___ .

1. (i) Trypsin
   (ii) Maltose

2. (i) Pepsin
   (ii) Amino Acid

3. (i) Amylase
   (ii) Maltose

4. (i) Sucrase
   (ii) Sugars

Q.

What is the main role of large intestine?

1. Produce enzyme for digestion

2. Absorb water

3. Assimilation

4. Produce bile

Q.

Proteins which act as biocatalysts are known as ___

1. Fatty acids

2. Enzymes

3. Gastric juice

4. Amino acids