Download PTU B.Sc-BT 2020 March 3rd Sem 47037 Immunology?I Question Paper

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Roll No. [ TTTTTT] Total No. of Pages : 02
Total No. of Questions : 09

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B.Sc.(BT) (2014 to 2017) (Sem.-3)
IMMUNOLOGY-I
Subject Code : BSBT-205
M.Code : 47037
Time : 3 Hrs. Max. Marks : 60

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INSTRUCTION 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 has to attempt any FOUR questions.
3. SECTION-C contains THREE questions carrying TEN marks each and students has to attempt any TWO questions.

SECTION-A

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1) Answer briefly :

1. Null cells
2. Polymorphs
3. Affinity
4. Naive cells

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5. Complement pathway
6. Bursa of Fabricus
7. Innate Immune system
8. Spleen
9. CDR

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10. Heavy Chain

SECTION-B

2. Elaborate on the features of the immune response.
3. Explain the process of B Cell Maturation.
4. Discuss lymphocyte trafficking.

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5. How are antigens recognized by T cells?
6. Write a note on the heterogeneity of the lymphoid cells.

SECTION-C

7. Write a note on the molecular mechanism of generation of antibody.
8. Discuss the functions of the Antibody.

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9. Explain the lymphatic system and its functions.

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.