Download PTU B.Sc-BT 2020 March 3rd Sem 76609 Immunology Question Paper

Download PTU (I.K. Gujral Punjab Technical University Jalandhar (IKGPTU) B.Sc. in Biotechnology 2020 March Previous Question Papers

1 | M-76609 (S2)- 771
Roll No. Total No. of Pages : 02
Total No. of Questions : 09
B.Sc. (BT) (2018 Batch) (Sem.?3)
IMMUNOLOGY
Subject Code : BSBT-302-18
M.Code : 76609
Time : 3 Hrs. Max. Marks : 60
INSTRUCTIONS TO CANDIDATES :
1. SECTION-A is COMPULSORY consisting of TEN questions carrying TWO marks
each.
2. SECTION-B contains FIVE questions carrying FIVE marks each and students
have to attempt any FOUR questions.
3. SECTION-C contains THREE questions carrying TEN marks each and students
have to attempt any TWO questions.

SECTION-A
1. Write briefly :
a) What weakens the immune system? What are the signs of weak immune system?
b) Who is the father of immunology?
c) Define specific and non-specific immunity.
d) Describe the role of spleen in immune system.
e) What is the difference between antibody affinity and avidity?
f) What do you mean by complement fixation?
g) What is HLA?
h) What are cytokines?
i) Define immunomodulation.
j) What are Peyer?s patches?
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1 | M-76609 (S2)- 771
Roll No. Total No. of Pages : 02
Total No. of Questions : 09
B.Sc. (BT) (2018 Batch) (Sem.?3)
IMMUNOLOGY
Subject Code : BSBT-302-18
M.Code : 76609
Time : 3 Hrs. Max. Marks : 60
INSTRUCTIONS TO CANDIDATES :
1. SECTION-A is COMPULSORY consisting of TEN questions carrying TWO marks
each.
2. SECTION-B contains FIVE questions carrying FIVE marks each and students
have to attempt any FOUR questions.
3. SECTION-C contains THREE questions carrying TEN marks each and students
have to attempt any TWO questions.

SECTION-A
1. Write briefly :
a) What weakens the immune system? What are the signs of weak immune system?
b) Who is the father of immunology?
c) Define specific and non-specific immunity.
d) Describe the role of spleen in immune system.
e) What is the difference between antibody affinity and avidity?
f) What do you mean by complement fixation?
g) What is HLA?
h) What are cytokines?
i) Define immunomodulation.
j) What are Peyer?s patches?
2 | M-76609 (S2)- 771
SECTION-B
2. What are specific functions of MHC molecules?
3. Describe the different components of immune system.
4. What is complement system? Describe pathways of complement activation.
5. Differentiate between T-dependent and T-independent antigens.
6. Describe the contributions of different scientists in the development of immunology.

SECTION-C
7. Describe the differentiation of T-cells. What are the different subsets of T-cells?
8. What are the different lines of defense of body?
9. Describe the mechanism of humoral immune response.






NOTE : Disclosure of Identity by writing Mobile No. or Making of passing request on any
page of Answer Sheet will lead to UMC against the Student.



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