Immunoglobulins and Antigens Practice Questions
20 free Immunoglobulins and Antigens practice questions for the Zoology, each with the correct answer and a detailed explanation. Open any question below, or take the full set as an interactive quiz.
Questions
20 questions
All Immunoglobulins and Antigens questions
- Q1. Immunoglobulins are best described as:
- Q2. The basic structure of an immunoglobulin molecule consists of:
- Q3. The antigen-binding site of an antibody is formed by:
- Q4. Which class of immunoglobulin is most abundant in human serum?
- Q5. Which immunoglobulin is the first to be produced during a primary immune response?
- Q6. Which immunoglobulin is mainly found in mucosal secretions such as saliva and milk?
- Q7. The Fc region of an antibody is primarily involved in:
- Q8. Which immunoglobulin class is associated with allergic reactions?
- Q9. An antigen is defined as a substance that:
- Q10. The specific region of an antigen recognized by an antibody is called:
- Q11. Haptens differ from complete antigens because they:
- Q12. Which immunoglobulin exists mainly as a pentamer?
- Q13. Disulfide bonds in immunoglobulins mainly provide:
- Q14. Which immunoglobulin can cross the placental barrier?
- Q15. The variability in antibodies is mainly due to differences in:
- Q16. Which immunoglobulin is present on the surface of immature B cells?
- Q17. Antigen-antibody interaction is primarily based on:
- Q18. Which immunoglobulin is present in very low concentration in serum but acts as a B-cell receptor?
- Q19. The term 'isotype' refers to:
- Q20. Which function of antibodies helps in marking pathogens for phagocytosis?