BZYET-141 IMMUNOLOGY in English Solved Question Paper June 2023
IMMUNOLOGY
Course Code: BZYET-141
| Title Name |
BZYET-141 Solved Question Paper June 2023 |
| University | IGNOU |
| Service Type | Solved Question Paper (Soft copy/PDF) |
| Course | BSCG |
| Language | English |
| Year | June 2023 |
| Course Code | BZYET-141 |
| Product | Solved Question Paper (IGNOU) |
1. Fill in the blanks : 10×1=10
(i) Diphtheria toxin is an …………. .
(ii) The term “complement” was coined
by …………. .
(iii) …………. pH of sebum discourages microbial
growth.
(iv) …………. is the main cell involved in acute
inflammation.
(v) …………. vaccine stimulates production to
anti-tetanus antibodies that prevents the
entry of toxin in neurons.
(vi) A longer lag phase is observed in the
…………. immune response.
(vii) …………. antibody predominates in the
blood during secondary response.
(viii) The primary stage of tumor is also known
as …………. .
(ix) …………. oncoprotein is abundant in the
fetus.
(x) The practice of inoculation of dried
pustules is called …………. .
2. Differentiate between the following pairs of
terms : 5×2=10
(i) B cell and T cell
(ii) Hapten and immunogen
(iii) Class I MHC and Class II MHC
(iv) Positive selection within thymus and
negative selection within thymus
(v) Active immunity and passive immunity
3. (a) Write the various steps in the
establishment of bacterial infection. 5
(b) Explain the neutralization mechanism of
bacteria by antibodies. 5
4. Describe the structure of bone marrow with a
neat and well-labelled diagram. 5+5=10
5. (a) Define antibodies and draw the structure
of immunoglobulin. 5
(b) Explain the significance of the different
classes of antibodies. 5
6. What is Vaccination ? Explain the different
types of vaccines. 2+8=10
7. (a) What is immune deficiency ? Explain how
our immune system prevents
autoimmunity ? 5
(b) What are the different types of
hypersensitivity according to Gell and
Coombs ? Briefly explain.
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