Digestion and Absorption MCQ

Digestion and Absorption MCQ can help students evaluate their knowledge of food digestion, absorption. Answers are also given for MCQ on digestion and absorption to help you remember. Try our MCQ on digestion and absorption to see if you can get all the answers right for the questions below.

MCQ on Digestion and Absorption

The chemical breakdown of ingested food into absorbable molecules is known as digestion. The movement of nutrients, water, and electrolytes from the lumen of the small intestine into the cell and then into the blood is referred to as absorption.

MCQ on Digestion and Absorption

1. Intestine’s epithelial cells involved in food absorption have on their surface?

a. Pinocytic vesicles

b. Phagocytic vesicles

c. Zymogen granules

d. Microvilli

2. Anxiety and eating spicy food together in a normal human may result in?

a. Indigestion

b. Jaundice

c. Diarrhoea

d. Vomiting

3. Which of the following diseases is caused by a protein deficiency?

a. Eczema

b. Cirrhosis

c. Kwashiorkor

d. Night blindness

4. Rennin acts on

a. Milk changing casein into calcium paracaseinate at 7.2 – 8.2 pH

b. Protein in stomach

c. Fat in intestine

d. Milk changing casein into calcium paracaseinate at 1-3 pH

5. Lacteals are found in vertebrates?

a. Ileum

b. Ischium

c. Oesophagous

d. Ear

6. The release of pancreatic juice is induced by?

a. Enterokinase

b. Cholecystokinin

c. Secretin

d. Both A and B

7. The hormone that causes the stomach to secrete gastric juice is known as?

a. Gastrin

b. Renin

c. Enterokinase

d. Enterogasterone

8. Enterokinase is an enzyme that aids in the conversion of?

a. Pepsinogen into pepsin

b. Trypsinogen into trypsin

c. Caseinogen into casein

d. Proteins into polypeptides

9. Cholecystokinin and duocrinin are secreted by the?

a. Adrenal cortex

b. Thyroid gland

c. Pancreas

d. Intestine

10. What do amylase, rennin, and trypsin have in common?

a. These all are proteins

b. These all are proteolytic enzymes

c. These are produced in stomach

d. These act as a pH lower than 7

11. Most of the digestion occurs in? 

a. Rectum

b. Stomach

c. Duodenum

d. Small intestine

12. Lactose is composed of

a. Glucose + Fructose

b. Glucose + Glucose

c. Glucose + Galactose

d. Fructose + Galactose

13. Newborn haemorrhagic disease is caused by a deficiency of?

a. Vitamin-A

b. Vitamin-B1

c. Vitamin-B12

d. Vitamin-K

14. If the pancreas is removed, the compound that is left undigested is?

a. Carbohydrates

b. Fats

c. Proteins

d. All of these

15. Where does protein digestion take place?

a. Stomach

b. lleum

c. Rectum

d. Duodenum

Answer Key

Digestion and Absorption MCQ

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