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BBCCT 127: Immunology

Title Name IGNOU BBCCT 127 SOLVED ASSIGNMENT
Type Soft Copy (E-Assignment) .pdf
University IGNOU
Degree BACHELOR DEGREE PROGRAMMES
Course Code BSCBCH
Course Name B.Sc. Honours in Biochemistry
Subject Code BBCCT 127
Subject Name Immunology
Year 2026
Session -
Language English Medium
Assignment Code BBCCT 127/Assignment-1/2026
Product Description Assignment of BSCBCH (B.Sc. Honours in Biochemistry) 2026. Latest BBCCT 127 2026 Solved Assignment Solutions
Last Date of IGNOU Assignment Submission Last Date of Submission of IGNOU BEGC-131 (BAG) 2025-26 Assignment is for January 2026 Session: 30th September, 2026 (for December 2025 Term End Exam).

Semester Wise
January 2025 Session: 30th March, 2026 (for June 2026 Term End Exam).
July 2025 Session: 30th September, 2025 (for December 2025 Term End Exam).
FormatReady-to-Print PDF (.soft copy)

📅 Important Submission Dates

  • January 2026 Session: 31st March, 2026
  • July 2026 Session: 30th September, 2026

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BBCCT 127 2025 - English

ASSIGNMENT

Immunology

Core Course in Biochemistry

Course Code: BBCCT-127

Assignment Code: BBCCT-127/TMA/2025

Maximum Marks: 100

Note: Attempt all questions. The marks for each question are indicated against it. Write all answers in your own words; do not copy from the course material.

PART-(A)

1. Give an overview of primary and secondary lymphoid organ in adult man.

2. Write short note on the followings:

a) Anatomical and Physiological barrier of Innate Immunity

b) Types of Antigen

3. What are the biological consequences of complement activation.

4. Differentiate between:

a) Isotype and Allotype Determinants

b) Immunoglobulin A and Immunoglobulin E

5. Enumerate Tonegawa and Hozumi Experiment of Two gene model.

PART-(B)

6. Explain B- cell development with a schematic representation.

7. Write short note on the following:

a) Endogenous pathway of antigen presentation

b) Positive T-cell Selection

8. a) Compare NK and NKT cells.

b) Describe mechanism of B-cell tolerance

9. Differentiate between the following:

i) Autograft and Xenograft

ii) Recombinant vaccines and Whole organism as vaccines

10. Give an overview of Type IV hypersensitivity.


BBCCT 127 (January 2026 - July 2026) - ENGLISH

ASSIGNMENT

Immunology

Core Course in Biochemistry

Course Code: BBCCT-127

Assignment Code: BBCCT-127/TMA/2026

Maximum Marks: 100

Note: Attempt all questions. The marks for each question are indicated against it. Write all answers in your own words; do not copy from the course material.

PART-(A)

1. Give an overview of cells of immune system.

2 a) How pathogen is internalised?

b) Describe the traits of Immunogen

3. Explain the classical pathway of complement activation.

4. Differentiate between:

a) Idiotype and Allotype Determinants

b) Immunoglobulin G and Immunoglobulin M

5. Enumerate Dreyer-Bennett Hypothesis.

PART-(B)

6. Explain three important B- cell differentiation events.

7. Write short note on the following:

a) Structure of MHC

b) CD8 Cytotoxic T-cells

8. Give an overview of T-cell development with a schematic representation.

9. Differentiate between the following:

i) Central tolerance and Peripheral tolerance

ii) DNA vaccines and Purified Macromolecules as Vaccines

10. Give an overview of Type III hypersensitivity.


BBCCT 127 2025 - Hindi

बी.एससी.ऑनर्स जैव-रसायन

सत्रीय कार्य

प्रतिरक्षा विज्ञान

कोर्स कोडः बीबीसीसीटी-127

सत्रीय कार्य कोडः बीबीसीसीटी-/127 टीएमए/2025

अधिकतम अंकः 100

नोटः सभी प्रश्नों को हल करें। प्रत्येक प्रश्न के अंक उसके सम्मुख अंकित हैं। सभी उत्तर अपने शब्दों में लिखें। पाठ्यक्रम सामग्री से नकल न करें।

भाग- (क)

1 व्यस्क व्यक्ति में प्राथमिक और द्वितीयक लिम्फोइड अंगों का अवलोकन दीजिये।

2 निम्नलिखित पर संक्षिप्त नोट लिखें।

क) जन्मजात प्रतिरक्षा के संरचनात्मक तथा शरीर क्रियात्मक अवरोधक ।

ख) एन्टीजन के प्रकार।

3 पूरक सक्रियण के जैविक परिणाम क्या है?

4 निम्नलिखित के बीच में अंतर करें :

क) आइसोटाइप और एलोटाइप निर्धारक

ख) इम्युनोग्लोबुलिन ए इम्युनोग्लोबुलिन इ

5 दो जीन मॉडल के टोनोगावा एवं होजूमी परीक्षण के बारे में लिखें।

भाग- (ख)

6 बी-कोशिकाओं के विकास को योजनाबद्ध निरूपण के साथ समझाइए।

7 निम्नलिखित पर संक्षिप्त नोट लिखें :

क) एन्टीजन प्रस्तुति का अंतर्जात मार्ग / पथ

ख) पाजीटिव / सकारात्मक टी-कोशिका चयन

8 क) NK तथा NKT कोशिकाओं की तुलना करें।

ख) बी-कोशिका सहनशीलता की कार्यविधि का वर्णन करें।

9 निम्नलिखित के बीच अंतर करें:

क) आटोग्राफ्ट और जेनोग्राफ्ट

ख) पुनर्योगज टीके और पूर्ण जीव टीके के रूप में।

10 अतिसंवेदनशीलता के प्रकार IV का अवलोकन दीजिये।

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