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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. | |