Explore topic-wise MCQs in Biology.

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

1.

What is the function of GLUT-4?

A. Enables transport of both insulin and glucose into cells
B. Enables glucose transport into cells
C. Enables glucose transport out of cells
D. Enables transport of both sodium and glucose out of cells
Answer» C. Enables glucose transport out of cells
2.

Which of these proteins help in recognition of sensory signals?

A. Receptor proteins
B. Structural proteins
C. Hormones
D. Nucleoproteins
Answer» B. Structural proteins
3.

What is the function of antibody?

A. Acts as tissue toxins
B. Degrades old erythrocytes
C. Fights infectious agents
D. Helps in growth of cells
Answer» D. Helps in growth of cells
4.

Which of these is a hormone?

A. Collagen
B. Keratin
C. Insulin
D. GLUT-4
Answer» D. GLUT-4
5.

Which of these is an enzyme?

A. GLUT-4
B. Collagen
C. Insulin
D. Trypsin
Answer» E.
6.

Dietary proteins are the source of non-essential amino acids. True or false?

A. True
B. False
Answer» C.
7.

Collagen is a(n) ______

A. hormone
B. intracellular ground substance
C. intercellular ground substance
D. enzyme
Answer» D. enzyme
8.

A continuous strand of the same amino acids linked to each other forms a _____

A. dimer
B. monomer
C. heteropolymer
D. homopolymer
Answer» E.
9.

Amino acids are linked together by _____

A. peptide bonds
B. hydrogen bonds
C. glycosidic linkages
D. hydrophobic interactions
Answer» B. hydrogen bonds
10.

A protein is a _____

A. monomer
B. homopolymer
C. heteropolymer
D. dimer
Answer» D. dimer
11.

How are essential amino acids obtained?

A. Produced in the body
B. Through diet
C. Its levels remain constant
D. From plants
Answer» C. Its levels remain constant
12.

Which of these is not a function of protein?

A. Major constituent of the cell membrane
B. Transport of nutrients
C. Defense against pathogens
D. Regulation of homeostasis
Answer» B. Transport of nutrients
13.

Which protein is most abundant in the animal world?

A. Actin
B. Keratin
C. Collagen
D. Histone
Answer» D. Histone
14.

Which protein is the most abundant?

A. ATP synthase
B. Collagen
C. RuBisCO
D. NADPH oxidase
Answer» D. NADPH oxidase
15.

What is the full form of RuBisCO?

A. Ribosome bisphosphate Carboxylase-Oxidase
B. Ribulose bisphosphate Carboxylase-Oxidase
C. Ribosome bisphosphate Carboxy-Oxygenase
D. Ribulose bisphosphate Carboxylase-Oxygenase
Answer» E.