Explore topic-wise MCQs in Biotechnology.

This section includes 15 Mcqs, each offering curated multiple-choice questions to sharpen your Biotechnology knowledge and support exam preparation. Choose a topic below to get started.

1.

The passage from the stomach to the small intestine is called gastric emptying.

A. True
B. False
Answer» B. False
2.

In infants, the gastric pH is quite low.

A. True
B. False
Answer» C.
3.

The liver is the major site of drug metabolism.

A. True
B. False
Answer» B. False
4.

What is the main role of the large intestine?

A. Absorption of water and electrolytes
B. Absorption of minerals
C. Absorption of glucose
D. Absorption of only water
Answer» B. Absorption of minerals
5.

Up to how much the microvilli in the small intestine increases the relative surface area of the small intestine?

A. 3 times
B. 30 times
C. 100 times
D. 600 times
Answer» E.
6.

How can we study the gastric emptying of a given drug?

A. By mixing the colour with the drug
B. Waiting for the subject man to throw-up
C. Tagging the drug with a radioisotope and scanning the stomach
D. Waiting for the patient to pass feces
Answer» D. Waiting for the patient to pass feces
7.

What is the gastric emptying rate?

A. The time required for the gastric contents to empty into the small intestine
B. Time is taken for half of the contents in the stomach to empty
C. The speed at which the stomach contents empty into the intestine
D. There is no such term
Answer» D. There is no such term
8.

How can we increase the time of gastric emptying?

A. By drinking a lot of water
B. By taking a drug in empty stomach
C. By taking the drug after food
D. Cannot increase the time of gastric emptying at all
Answer» D. Cannot increase the time of gastric emptying at all
9.

Which one of the following is not a characteristic for the small intestine?

A. Peristaltic movement
B. Long transit time
C. High permeability
D. PH 4-9
Answer» E.
10.

Which of the following sentences will be the actual definition of folds of Kerckring?

A. Folds of the intestinal mucosa
B. Finger-like projections whose other name is villi
C. Protruding surface from the villi
D. Cilia over the surface of villi
Answer» B. Finger-like projections whose other name is villi
11.

From the surface of villi protrude smaller projection known as __________

A. Microvilli
B. Villus
C. Fingers
D. Cilia
Answer» B. Villus
12.

Which drugs gets mostly absorbed from the mouth?

A. Acidic drugs and lipophilic drugs
B. Lipophilic drugs and neutral drugs
C. Neutral drugs and lipophilic drugs
D. Lipophilic, neutral, basic drugs
Answer» E.
13.

Which drugs get absorbed in the stomach mostly?

A. Basic drugs
B. Acidic Drugs
C. Neutral drugs
D. No drug gets absorbed in the stomach
Answer» C. Neutral drugs
14.

The entire length of the GI is lined by ___________

A. Blood vessels
B. Nerves
C. Mucopolysaccharides
D. No lining direct contact with the cell
Answer» D. No lining direct contact with the cell
15.

What is the mean length of GIT?

A. 350 cm
B. 200cm
C. 400cm
D. 450cm
Answer» E.