TEST IMMUNE FOR CLASS XI IPA

TEST IMMUNE 3
TES IMMUNE 2

1.Which of these cells is a phagocytic leukocyte that can engulf a foreign bacterium?
A. B cell
B. cytotoxic T cell
C. plasma cell
D. helper T cell
E. macrophage

2._____ interact with the antigen-class II MHC complex presented by macrophages.
A. B cells
B. Bacterial cells
C. Helper T cells
D. Epithelial cells
E. Cytotoxic T cells

3.B cells that have been stimulated by interleukin-2 develop into _____.
A. Macrophages
B. helper T cells
C. cytotoxic T cells
D. antigens
E. plasma cells


4. The role of cytotoxic T cells is the secretion of _____, which plays a role in the _____ immune response.
A. antibodies ... antibody-mediated
B. antibodies ... humoral
C. perforin ... cell-mediated
D. perforin ... humoral
E. interleukin-2 ... humoral

5. Clonal selection is the division of _____ that have been stimulated by binding to an antigen, which results in the production of cloned _____.
A. helper T cells ... plasma cells
B. B cells ... plasma cells and memory cells
C. T cells ... B cells
D. B cells ... macrophages
E. macrophages ... B cells and T cells

6. Which of these cells is responsible for the rapidity of the secondary immune response?
A. memory cells
B. cytotoxic T cells
C. macrophages
D. cytokines
E. plasma cells

7. Which of these cells produce and secrete antibodies?
A. Macrophages
B. cytotoxic T cells
C. helper T cells
D. bacterial cells
E. plasma cells

8. The genetic material of HIV consists of _____.
A. single-stranded DNA
B. single-stranded RNA
C. double-stranded DNA
D. double-stranded RNA
E. none of the above

9. Which of these binds to receptor molecules on the host cell membrane?

A. A
B. B
C. C
D. D
E. E

10. What is the function of reverse transcriptase?
A. catalyzing the formation of a polypeptide from a RNA template
B. catalyzing the formation of DNA from a polypeptide template
C. catalyzing the formation of RNA from a polypeptide template
D. catalyzing the formation of RNA from a DNA template
E. catalyzing the formation of DNA from a RNA template

11. What is the source of a viral envelope?
A. host cell DNA
B. prophages
C. provirus
D. host cell membrane
E. viral glycoproteins

12. Which of these is reverse transcriptase?


A. A
B. B
C. C
D. D
E. E

13. Which of these is the viral genome?

A. A
B. B
C. C
D. D
E. E

14. Click on the diagram to start the animation. What enzyme is responsible for the process seen here?

A. RNA polymerase
B. DNA polymerase
C. reverse transcriptase
D. endonuclease
E. DNA ligase


15. Double-stranded viral DNA is incorporated into a host cell as a _____.
A. promoter
B. provirus
C. transposon
D. lac
E. homeoboxes