IGNOU BBYET 141 SOLVED ASSIGNMENT
BBYET 141: Cell and Molecular Biology
₹80 ₹30
| Title Name | IGNOU BBYET 141 SOLVED ASSIGNMENT |
|---|---|
| Type | Soft Copy (E-Assignment) .pdf |
| University | IGNOU |
| Degree | BACHELOR DEGREE PROGRAMMES |
| Course Code | BSCG |
| Course Name | Bachelor of Science |
| Subject Code | BBYET 141 |
| Subject Name | Cell and Molecular Biology |
| Year | 2026 |
| Session | - |
| Language | English Medium |
| Assignment Code | BBYET 141/Assignment-1/2026 |
| Product Description | Assignment of BSCG (Bachelor of Science) 2026. Latest BBYET 141 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). |
| Format | Ready-to-Print PDF (.soft copy) |
📅 Important Submission Dates
- January 2026 Session: 31st March, 2026
- July 2026 Session: 30th September, 2026
- January 2026 Session: 31st March, 2026
- July 2026 Session: 30th September, 2026
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• Guidelines: Strictly follows 2025-26 official word limits.
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BBYET 141 2025 - English
ASSIGNMENT
Course Code: BBYET-141
Assignment Code: BBYET-141/TMA/2025
Maximum Marks: 100
Note: Attempt all questions. The marks for each question are indicated against it.
1. Describe the structure of a eukaryotic cell with a properly labeled diagram.
2. Discuss 'Operon Concept'. Describe its structure and role in gene regulation.
3. a) Describe the double helix model of DNA with a neat, well-labelled diagram.
b) How is the organization of DNA in prokaryotes different from that of eukaryotes? Discuss.
4. a) What is Nucleosome? Explain its structure with the help of a suitable diagram.
b) Discuss the main features of the genetic code.
5. a) Enlist the major differences between plant and animal cells.
b) Explain Chargaff's Rule.
6. Describe the structure, composition and functions of mitochondria along with a well-labelled diagram.
7. Describe Griffith's experiment for the demonstration of DNA as a genetic material with a properly labelled diagram.
8. Describe various stages of Meiosis I with the help of a well-labelled diagram.
9. List various models proposed for the structure of cell membranes. Explain the 'Fluid Mosaic Model with the help of a well-labelled diagram.
10. Write short notes on the following:
i) Golgi apparatus
ii) Function of the cell wall in plants
iii) Cloverleaf model of t-RNA
iv) Enzyme telomerase
BBYET 141 (January 2026 - July 2026) - ENGLISH
ASSIGNMENT
Course Code: BBYET-141
Assignment Code: BBYET-141/TMA/2026
Maximum Marks: 100
Note: Attempt all questions. The marks for each question are indicated against it.
1. Describe the basic components of electron microscope and distinguish between transmission and scanning electron microscopy.
2.
a) Discuss the ErvinChargaff's Rule.
b) Give an outline of polypeptide synthesis in bacteria.
3. Discuss the different aspects of cell cycle regulation.
4. Describe the process of translation in eukaryotes.
5. Describe the Fluid Mosaic Membrane Model with the help of diagrams.
6. Describe Griffith's experiment for the demonstration of DNA as a genetic material with a properly labelled diagram.
7. Describe various stages of Meiosis I with the help of a well-labelled diagram.
8. Explain the operon concept. Describe its structure and discuss its role in gene regulation.
9.
a) Discuss the mechanisms involved in gene silencing by RNA interference.
b) Compare the DNA replication in prokaryotes and eukaryotes.
10. Write short notes on the following:
i) Genetic Code
ii) Shadow casting
iii) Ribosomes
iv) Function of the cell wall in plants
BBYET 141 2025 - Hindi
सत्रीय कार्य
पाठ्यक्रम कोड: BBYET-141
सत्रीय कार्य कोड: BBYET-141/TMA/2025
कुल अंक : 100
नोट: सभी प्रश्नों के उत्तर दीजिए। प्रत्येक प्रश्न के लिए अंक उसके समक्ष अंकित हैं।
1. ससीमकेन्द्रकी कोशिका की संरचना का वर्णन उचित सुनामांकित चित्र के साथ कीजिए।
2. 'ओपेरॉन संकल्पना की विवेचना कीजिए। इसकी संरचना और जीन नियंत्रण में भूमिका का वर्णन कीजिए।
3.क) स्वच्छ सुनामांकित चित्र के साथ डी.एन.ए. के द्विकुंडलिनी मॉडल (संरचना) का वर्णन कीजिए।
ख) पूर्वकेन्द्रकी जीवों में डी.एन.ए. का संगठन किस प्रकार ससीमकेन्द्रकी जीवों के संगठन से भिन्न है? चर्चा कीजिए।
4.क) न्यूक्लियोसोम क्या है? उपयुक्त चित्र की सहायता से इसकी संरचना को स्पष्ट कीजिए।
ख) जेनेटिक कोड की मुख्य विशेषताओं की चर्चा कीजिए।
5.क) पादप और जंतु कोशिका के बीच मुख्य अंन्तरों को सूचीबद्ध कीजिए।
ख) चारगाफ नियम को समझाइए।
6. माइटोकॉन्ड्रिया की संरचना, संयोजन और कार्यों का सुनामांकित चित्र के साथ वर्णन कीजिए।
7. आनुवंशिक पदार्थ के रूप में डी.एन.ए. के ग्रिफिथ परीक्षण का वर्णन उचित सुनामांकित चित्र की सहायता से कीजिए।
8. सुनामांकित चित्र की सहायता से अर्धसूत्री विभाजन । के विभिन्न चरणों का वर्णन कीजिए।
9. कोशिका कला की संरचना के लिए सुझाए गए विभिन्न मॉडलों के नाम बताइए। सुनामांकित चित्र की सहायता से 'तरल मोज़ेक मॉडल की व्याख्या कीजिए।
10. निम्नलिखित पर संक्षिप्त टिप्पणी लिखिएंः
i) गॉल्जी एपरेटस (उपकरण)
ii) पादपों में कोशिका भित्ति के कार्य
iii) टी-आरएनए का क्लोवर पर्ण (चतुष्पर्णी) मॉडल
iv) एनजाइम 'टेलोमरेज़
BBYET 141 (January 2026 - July 2026) - HINDI
सत्रीय कार्य
पाठ्यक्रम कोड: BBYET-141
सत्रीय कार्य कोड: BBYET-141/TMA/2026
कुल अंक : 100
नोट: सभी प्रश्नों के उत्तर दीजिए। प्रत्येक प्रश्न के लिए अंक उसके समक्ष अंकित हैं।
1. इलेक्ट्रॉन सूक्ष्मदर्शी के मूलभूत घटकों का वर्णन कीजिए और संचरण (ट्रांसमीशन तथा क्रमवीक्षण (स्कैनिंग) सूक्ष्मदर्शीकी के बीच अन्तर बताइए।
2. क) इर्विन चारगाफ के नियमों को लिखिए।
ख) जीवाणु में पॉलीपेप्टाइड संश्लेषण की रूपरेखा दीजिए।
3. कोशिका चक्र नियंत्रण के विभिन्न पहलुओं के विवेचना कीजिए।
4. ससीमकेंद्रकी जीवों में ट्रांसलेशन की प्रक्रिया का वर्णन कीजिए।
5. तरल मोजैक झिल्ली मॉडल को चित्रों सहित वर्णित कीजिए।
6. आनुवंशिक पदार्थ के रूप में डी.एन.ए. के ग्रिफिथ परीक्षण का वर्णन उचित सुनामांकित चित्र की सहायता से कीजिए।
7. सुनामांकित चित्र की सहायता से अर्धसूत्री विभाजन-I के विभिन्न चरणों का वर्णन कीजिए।
8. ओपेरॉन संकल्पना को समझाइए। इसकी संरचना का वर्णन कीजिए और जीन नियंत्रण में इसकी भूमिका की चर्चा कीजिए।
9. क) RNA अंतरक्षेप द्वारा जीन साइलेंसिंग में सम्मिलित क्रियाविधियों का वर्णन कीजिए।
ख) पूर्वकेन्द्रकी और समीमकेंद्रकी में डीएनए प्रतिकृति के बीच तुलना कीजिए।
10. निम्नलिखित पर संक्षिप्त टिप्पणी लिखिएं:
i) जेनेटिक / आनुवंशिक कोड
ii) शेडो कॉस्टिंग / छाया क्षेपण
iii) राइबोसोम
iv) पादपों में कोशिका भित्ति के कार्य
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