Digestive System in Humans

Q.

Which one of the following enzymes carries on the initial step in the digestion of milk in humans?

1. Rennin

2. Pepsin

3. Lipase

4. Trypsin

Q.

Where does digestion of proteins take place inside the body?

1. Stomach and large intestine

2. Stomach and small intestine

3. Large intestine and small intestine

4. Mouth and stomach

Q.

The exocrine part of pancreas secretes

1. None of the above

2. Pancreatic juice

3. Gastric juice

4. Bile juice

Q. Select the part of the alimentary canal where no digestion occurs.

1. Small intestine
2. Oesophagus
3. Large intestine
4. Mouth

Q. Which enzyme converts milk into curd?

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

Q.

List the end products of carbohydrates, protein and fat digestion.

Q. Excess glucose in the human body is stored as ___ in the liver.

1. Glucose
2. Glycerol
3. Glycogen
4. Glycerine

Q. Where does absorption of most of the food take place?

1. Stomach
2. Large Intestine
3. Small Intestine
4. Oesophagus

Q.

Function of bile juice is:

1. to catalyse chemical reaction.
2. to emulsify the fats.
3. absorption of fast soluble nutrients.
4. converting proteins into simpler proteins.

Q. What is bile?

1. A digestive juice which helps in digestion of milk.
2. A digestive juice which helps in digestion of proteins.
3. A digestive juice which helps in emulsification of fats.
4. A digestive juice which helps in digestion of carbohydrate.

Q.

The pancreas secretes bile juice. Say true or false.

1. True

2. False

Q. The function of the salivary gland is to ___ .

1. digest protein
2. get rid of starch
3. secrete bile
4. secrete saliva

Q. The opening at the end of the digestive tract through which solid wastes are eliminated is called

1. Mucosa
2. Anus
3. Liver
4. Mouth

Q.

Which of the following is chiefly digested in the stomach?

1. Protein

2. Carbohydrate

3. Lipids

4. Fats

Q.

Bile juice helps in the digestion of protein.

1. True
2. False

Q. Trypsin and lipase are produced by the pancreas and they breakdown and respectively.

1. carbohydrates
2. fats
3. protiens
4. minerals

Q. Rhythmic contraction and relaxation of the muscles of oesophagus help in

1. passage of food
2. digestion of food
3. absorption of food
4. assimilation of food

Q. ___ secretes gastric juice which contains hydrochloric acid.

1. Stomach
2. Small intestine
3. Large intestine
4. Oesophagus

Q.

Which part of the alimentary canal is involved in the reabsorption of water and minerals from undigested food?

1. Stomach
2. Small intestine
3. Oesophagus
4. Large intestine

Q. Which of these statement(s) about pancreatic juice is correct?

1. Amylase digests protein and lipase digests carbohydrate.
2. Protease and lipase digest fats.
3. Amylase digest carbohydrates and lipase digest proteins.
4. Protease digests protein and lipase emulsify fats.

Q.

Saliva helps in the process digestion. Say true or false.

1. True

2. False

Q. Salivary glands are present in which part of the alimentary canal?

1. Stomach
2. Large intestine
3. Small intestine
4. Mouth

Q. Movement of food from mouth to stomach is an active process.

1. True
2. False

Q. Which of these secretions do not act on chyme?

1. Bile juice
2. Pancreatic juice
3. Gastric juice
4. Intestinal juice

Q. The first part of the small intestine is called _____.

1. duodenum
2. ileum
3. caecum
4. jejunum

Q.

Pick out the correct statement(s).

Statement 1: Saliva contains salivary amylase.

Statement 2: Salivary amylase hydrolyses starch into maltose.

1. Both the statements are incorrect

2. Both the statements are correct

3. Only statement 1 is correct

4. Only statement 2 is correct

Q.

The small intestine is designed to have a large surface area.

1. True

2. False

Q.

Which of the following human system includes oesophagus?

1. Respiratory system

2. Circulatory system

3. Digestive system

4. Reproductive system

Q. Bile juice helps in the digestion of _______ .

1. starch
2. vitamins
3. fats
4. proteins

Q. An internal organ 'X' is the largest gland of the body. Secretion of this gland breaks down the large fat globules into small fat molecules.
Identify the organ 'X'.

1. Pancreas
2. Liver
3. Stomach
4. Kidney