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IGNOU BZYET-141 Immunology - IGNOU Solved Assignment (Latest)

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IGNOU - BZYET-141 (Jan 26 - Dec 26, Jan 25 - Dec 25) Solved Assignment

Are you looking to download a PDF soft copy of the Solved Assignment BZYET-141 - Immunology? Then GullyBaba is the right place for you. We have the Assignment available in English and Hindi language. This particular Assignment references the syllabus chosen for the subject of Zoology, for the January 2024 - December 2024 session. The code for the assignment is BZYET-141 and it is often used by students who are enrolled in the BSCG Degree. Once students have paid for the Assignment, they can Instantly Download to their PC, Laptop or Mobile Devices in soft copy as a PDF format. After studying the contents of this Assignment, students will have a better grasp of the subject and will be able to prepare for their upcoming tests.

PLEASE MATCH YOUR ASSIGNMENT QUESTIONS ACCORDING TO YOUR SESSION

IGNOU BZYET-141 (January 2026 – December 2026) Assignment Questions

1.a) Draw the structure of the MHC class-II molecules and write any three functions.
b) Define cytokines. Mention their role in immunity.

2.a) What is the complement system? Describe the lectin pathway.
b) How does our immune system prevent autoimmunity? Explain in brief.

3.Differentiate between the following pairs of terms:
i) Humoral immunity and Cell-mediated immunity
ii) Antigen and Hapten
iii) Inactivated vaccine and attenuated vaccine
iv) B-lymphocyte and T-lymphocyte

4.a) Explain the basic structure of an immunoglobulin with a suitable diagram.
b) What is an isotype? Explain different types of isotypes.

5.a) Define Innate immunity. Explain its barriers that provide immunity.
b) What are adjuvants? Write their functions.

6.a) Discuss the properties of B-cell epitopes.

b) Name the immunological conditions that cause the following autoimmunity disorders.
i) Grave’s disease
ii) Myasthenia Gravis
iii) Rheumatoid arthritis
iv) Multiple sclerosis
v) Hashimoto’s thyroiditis

7.a) Discuss in brief about the mucosal-associated lymphoid tissue.
b) Explain HLA typing.

8.a) According to Gell and Coombs, classify hypersensitivity with a suitable example.
b) Give a detailed account on the functions of cytokines.

9.a) Describe the structure and functions of the IgG molecule.
b) Explain the principle of ELISA (Enzyme-linked Immunosorbent Assay) and RIA (Radioimmunoassay).

10. What is Vaccination? Explain the different types of vaccines.

IGNOU BZYET-141 (January 2025 – December 2025) Assignment Questions

1. a) List various innate immune system barriers and protection mechanisms.
b) Give a brief account of the secondary lymphoid organs of the Immune System.

2. a) What is immune deficiency? Explain how our immune system prevents autoimmunity?
b) What are the different types of hypersensitivity, according to Gell and Coombs? Briefly explain.

3. Define the following terms:

i) Mucosa Associated Lymphoid Tissue (MALT)
ii) Haematopoiesis
iii) Hinge region of the antibody
iv) Human Leucocyte Antigen (HLA)

4. Write short notes on the following:

i) Monoclonal antibodies
ii) Opsonization
iii) DNA Vaccines
iv) Agglutination Reactions

5. Differentiate between the following pairs of terms:

i) Helper “T” cells and cytotoxic “T” cells
ii) Active and Passive immunity
iii) MHC class-I and II molecules
iv) Self and non-self antigens

6. What is the vaccine? Explain the mode of action of vaccine. Write about the advantages and disadvantages of vaccination.

7. a) Write the various steps in the establishment of bacterial infection.
b) Explain the neutralization mechanism of bacteria by antibodies.

8. a) Define autoimmunity. Describe any two autoimmune disorders.
b) Describe the steps involved in the immunoelectrophoresis technique.

9. a) Define antibodies and draw the structure of immunoglobulin.
b) Explain the significance of the different classes of antibodies.

10. How is the classical complement pathway activated? Discuss with a suitable diagram.

IGNOU BZYET-141 (January 2025 – December 2025) Assignment Questions

1. क) विभिन्न जन्मजात प्रतिरक्षा प्रणाली अवरोधों और सुरक्षा की क्रियाविधियों को सूचीबद्ध कीजिए।
ख) प्रतिरक्षा प्रणाली के द्वितीयक लसीकाभ अंगों का संक्षिप्त विवरण दीजिए।

2. क) प्रतिरक्षा हीनता क्या होती है? हमारा प्रतिरक्षा तन्त्र किस प्रकार स्वप्रतिरक्षा को रोकता है? वर्णन कीजिए।
ख) गेल एवं कूम्बस के अनुसार विभिन्न प्रकार की अतिसंवेदनशीलता कौन-सी है? संक्षेप में वर्णन कीजिए।

3. निम्नलिखित शब्दों को परिभाषित कीजिए:

i) श्लेष्मिका से सम्बद्ध लसीकाभ ऊतक (MALT)
ii) रक्तोत्पति
iii) एन्टीबॉडी/प्रतिरक्षी का हिंज क्षेत्र
iv) मानव श्वेताणु ऐन्टीजन (HLA)

4. निम्नलिखित पर संक्षिप्त टिप्पणी लिखिएंः

i) मोनोक्लोनीय प्रतिरक्षी
ii) ओपसनीकरण
iii) डी.एन.ए.टीका
iv) स्मूहन अभिक्रिया

5. निम्नलिखित पदों के युग्मों के बीच अंतर बताइएः

i) हेल्पर ‘TH’ कोशिकाएं और साइओटॉक्सिक ‘T’ कोशिकाएं
ii) सक्रिय प्रतिरक्षा और निष्क्रय प्रतिरक्षा
iii) एम.एच.सी वर्ग-1 और 2 अणु
iv) स्वयं और गैर-स्वतः प्रतिजन

6. टीका (वैक्सीन) क्या है? टीके के कार्य करने के तरीके का वर्णन कीजिए। टीकाकरण के लाभ और हानियों के बारे में लिखिए।

7. क) जीवाणु सक्रमण की स्थापना के विभिन्न चरण लिखिए।
ख) एंटीबॉडी द्वारा जीवाणु की विभिन्न निष्प्रभावन क्रियाविधियां स्पष्ट कीजिए।

8. क) स्वप्रतिरक्षा को परिभाषित कीजिए। किन्हीं दो स्वप्रतिरक्षा विकारों का वर्णन कीजिए।
ख) प्रतिरक्षा वैद्युत कण संचलन तकनीक के चरणों को वर्णित कीजिए।

9. क) प्रतिरक्षी को परिभाषित कीजिए और प्रतिरक्षीग्लोबुलिन की संरचना का आरेख बनाइए।
ख) प्रतिरक्षी के विभिन्न वर्गों के महत्व को विवरण दीजिए।

10. क्लासिकल पूरक (काम्प्लीमेन्ट) पथ किस प्रकार सक्रियित होता है? उपयुक्त चित्रों के साथ वर्णन कीजिए।

BZYET-141 Assignments Details

University : IGNOU (Indira Gandhi National Open University)
Title :Immunology
Language(s) : English, Hindi
Code : BZYET-141
Degree :
Subject : Zoology
Course : Discipline Specific Electives (DSE)
Author : Gullybaba.com Panel
Publisher : Gullybaba Publishing House Pvt. Ltd.

Assignment Submission End Date-upto

The IGNOU open learning format requires students to submit study Assignments. Here is the final end date of the submission of this particular assignment according to the university calendar.

  • 30th April (if Enrolled in the June Exams)
  • 31st October (if Enrolled in the December Exams).

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  • All Solved Answers By IGNOU Experts.
  • Available for 3 Times for Download.
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Immunology

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