Explore topic-wise MCQs in Biology.

This section includes 13 Mcqs, each offering curated multiple-choice questions to sharpen your Biology knowledge and support exam preparation. Choose a topic below to get started.

1.

Which of the following is not the secretion released into the small intestine?

A. Bile
B. Pancreatic juice
C. Salivary amylase
D. Intestinal juice
Answer» D. Intestinal juice
2.

Which layer of the alimentary canal generates various types of movements in the small intestine?

A. Mucosa
B. Sub-mucosa
C. Muscularis
D. Serosa
Answer» D. Serosa
3.

What is the milk digesting enzyme of infants?

A. Lipases
B. Lactose
C. Rennin
D. Pepsin
Answer» D. Pepsin
4.

4.5 pH is optimal for the action of pepsin.

A. True
B. False
Answer» C.
5.

For how much time stomach stores food?

A. 2-3 hours
B. 3-4 hours
C. 4-5 hours
D. 6-7 hours
Answer» D. 6-7 hours
6.

Pepsinogen is activated by which of the following secretions?

A. Trypsin
B. Salivary amylase
C. Hydrochloric acid
D. Rennin
Answer» D. Rennin
7.

Which of the following types of cells is not present in the stomach?

A. Neck cells
B. Chief cells
C. Parietal cells
D. Paneth cells
Answer» E.
8.

What per cent of starch is hydrolysed by salivary amylase?

A. 30 %
B. 70%
C. 80%
D. 95%
Answer» B. 70%
9.

Which of the following is not an electrolyte present in saliva?

A. Na<sup>+</sup>
B. Ca<sup>2+</sup>
C. K<sup>+</sup>
D. Cl<sup> </sup>
Answer» C. K<sup>+</sup>
10.

What is deglutition?

A. Mastication of food
B. Secretion of saliva
C. Swallowing of food
D. Mixing of food
Answer» D. Mixing of food
11.

What are the two major functions performed by the buccal cavity in digesting food?

A. Secretes mucus and bile
B. Facilitation of swallowing and mastication of food
C. Secretion of amylases and juices
D. Secretion of mucus and deglutition
Answer» C. Secretion of amylases and juices
12.

Which part of the pancreas produces hormones?

A. Endocrine part
B. F cells
C. Exocrine part
D. cells
Answer» B. F cells
13.

What is the structural and functional unit of the liver?

A. Hepatic lobules
B. Hepatic cells
C. Hepatic ducts
D. Cystic duct
Answer» B. Hepatic cells