IGNOU LSE 7 SOLVED ASSIGNMENT
LSE 7: Taxonomy and Evolution
₹80 ₹30
| Title Name | IGNOU LSE 7 SOLVED ASSIGNMENT |
|---|---|
| Type | Soft Copy (E-Assignment) .pdf |
| University | IGNOU |
| Degree | BACHELOR DEGREE PROGRAMMES |
| Course Code | BSC |
| Course Name | Bachelor in Science |
| Subject Code | LSE 7 |
| Subject Name | Taxonomy and Evolution |
| Year | 2026 |
| Session | - |
| Language | English Medium |
| Assignment Code | LSE 7/Assignment-1/2026 |
| Product Description | Assignment of BSC (Bachelor in Science) 2026. Latest LSE 07 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
Why Choose Our Solved Assignments?
• Guidelines: Strictly follows 2025-26 official word limits.
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📋 Assignment Content Preview
LSE 7 2025 - English
ASSIGNMENT
(Tutor Marked Assignment)
Course Code: LSE-07
Assignment Code: LSE-07/TMA/2025
Max. Marks: 100
1.a) How is Palynological evidence useful in taxonomy?
b) Describe the merits and demerits of Linnaeus & Bentham, and Hooker's system of classification.
2.a) Explain taxonomic hierarchy with an example.
b) Explain the term homology and analogy with proper examples.
c) Give the full form of
(i)ICZN
(ii) IUBS
(iii) ICBN
(iv) ICNCP
d) What are the keys?
e)What is the role of a Botanical Garden?
3 . a)What were the main problems in having two kingdoms system of classification of living organisms? Discuss how the five-kingdom system of classification was able to cope up with the main problems of the two-kingdom system of classification.
b) Describe with examples how morphological, paleobotanical and anatomical evidence can become a tool for a taxonomist.4.
4.a)Differentiate between Alpha and Omega taxonomy.
b) List the principles of Numerical taxonomy.
c) Describe the procedures adopted in numerical taxonomy.
5.a) Discuss how the biochemical approach can be utilized for the identification of organisms.
b) Write notes on:
(i) Herbarium ethics
(ii) Punch card
6. Differentiate between Lamarckism and Darwinism with the help of examples.
7. a) Give an account of the geological time scale citing the biological features.
b) Discuss the role of Cytochrome C in establishing the evolutionary relationship among various species.
8. a) Discuss the sources and expression of variability.
b) With the help of an example, explain how interspecific competition results in the evolution of co-adapted communities.
9.a) Describe the mechanisms of speciation.
b) Explain how genetic repatterning can occur during isolation.
10. a) Explain industrial melanism with the help of the example of peppered moth, Biston betularia.
b) List any three merits and any two demerits of Engler and Pranti's system of classification.
LSE 07 (January 2026 - July 2026) - ENGLISH
ASSIGNMENT
(Tutor Marked Assignment)
Course Code: LSE-07
Assignment Code: LSE-07/TMA/2026
Max. Marks: 100
1.
(a) Define classification. What are the aims, objectives and importance of taxonomy? Describe briefly plant taxonomy in ancient India.
(b) Describe the merits and demerits of Linnaeus and Bentham and Hooker's system of classification.
2.
a) Explain taxonomic hierarchy with example.
b) Explain the term homology and analogy with proper examples.
c) Give the full form of
(i) ICZN
(ii) 1UBS
(iii) ICBN
(iv) ICNCP
d) What are the keys?
e) What is the role of Botanical garden?
3.
(a) What were the main problems in having two kingdoms system of classification of living organisms? Discuss how five kingdom system of classification was able to cope up with main problems of two kingdom system of classification.
(b) Describe with examples how morphological, paleobotanical and anatomical, evidences can become a tool for a taxonomist.
4.
(a) Differentiate between Alpha and Omega taxonomy.
(b) List the principles of Numerical taxonomy.
(c) Describe the procedures adopted in numerical taxonomy.
5.
(a) Discuss how biochemical approach can be utilized for identification of organisms.
(b) Write notes on
(i) Herbarium ethics
(ii) Punch card
(iii) Type specimens
(iv) Importance of national parks
6. Compare between Lamarckism and Darwinism with the help of examples.
7. (a) Give an account of geological time scale citing the biological features.
(b) Discuss the role of Cytochrome C in establishing the evolutionary relationship among various species.
8. (a) Discuss the sources and expression of variability.
(b) With the help of an example explain how interspecific competition results in evolution of co adapted communities.
9. (a) Describe the mechanisms of speciation.
(b) Explain how genetic repatterning can occur during isolation.
10. (a) Discuss the trends in human evolution.
(b) Describe two specific skills of Homo erectus that make the species stand apart from all the predecessors.
(c) Explain the role of language in evolution of human culture.
LSE 7 2025 - Hindi
सत्रीय कार्य (अध्यापक जांच सत्रीय कार्य)
पाठ्यक्रम कोड: LSE-07
सत्रीय कार्य कोड: LSE-07/MTA/2025
कुल अंक : 100
1.(क) परागाणुविज्ञानीय प्रमाण वर्गिकी में किस प्रकार से उपयोगी है?
(ख) लिनियस एवं बंधन और हुकर की वर्गीकरण प्रणालियों के गुणों एवं दोषों का वर्णन कीजिए।
2.(क) वर्ग पदानुक्रम को उपयुक्त उदाहरणों के साथ समझाया गया है।
(ख) समवृत्ति एवं रागजातता की व्याख्या उचित उदारणों सहित कीजिए।
(ग) निम्नलिखित का पूरा स्वरूप लिखिए।
(i) ICZN
(ii) IUBS
(iii) ICBN
(iv) ICNP
(ध) कुंजिया क्या होती है?
(च) वनस्पतिक उद्यान की भूमिका बताइए।
3(क) दो जगत की वर्गीकरण प्रणाली का उपयोग करने से कौन सी मुख्य समस्याएं आती है? व्याख्या कीजिए की पाँच जगत की वर्गीकरण प्रणाली किस प्रकार से इन मुख्य समस्याओं का समाधान कर सकी?
(ख) आकारिकीय, शारीरिक एवं पुरावनस्पतिकीय प्रमाण किस प्रकार से एक वर्गिकीविद् के कार्य साधन बन सकते है? उदाहरण सहित विवरण दिजिए।
4(क) ऐल्फा एवं आयेगा वर्गिकी में अन्तर बताइए।
(ख) संख्यात्गक वर्गिकी के सिद्धांतों की सूची बनाइए।
(ग) संख्यात्गक वर्गिकी में अपनाई जाने वाली प्रविधियों का वर्णन कीजिए।
5.(क) विवेचना कीजिए कि कैसे जैवरसायन विधि का प्रयोग जीयों के अभिनिर्धारण में किया जाता है।
(ख) टिप्पणी कीजिए:
(i) हब्रेरियम का प्रयोग-आचार
(ii) पंच कार्ड
6 लामार्कवाद तथा वार्विनवाद में तुलना उदाहरणों की सहायता से कीजिए।
7 (क) जीव -वैज्ञानीक विशेषताओं को दर्शाते हुए मू-वैज्ञानिक राग गापक्रम का विवरण दीजिए।
(ख) विभिन्न जातियों में परस्पर विकाशीय सम्बन्ध स्थापित करने में साइटाकोग सी की भूमिका की विवेचना कीजिए।
8. (क)विविधता के स्त्रोत तथा उसकी अभिव्यक्ति की विवेचना कीजिए।
(ख ) किस प्रकार अंतरााजातीय प्रतियोगिता से सहानुकूलित समुदायों का विकास होता है उदारणों की सहायता से समझाइए।
9 (क) जाति उद्गवन की क्रियोविधियों का वर्णन कीजिए।
(ख) किया प्रकार पृथक्करण के दौरान आनुवंशिक पुनरप्रतिरूपण होता है? समझाइए।
10 (क) औद्योगिक अतिकृष्णता की विवेचना पतन पेटुमेरिका के उदाहरण द्वारा कीजिए।
(ख) ऐंग्लर एवं प्राटंल की वर्गीकरण प्रणाली के तीन गुर्गों एवं दो दोषों की सूची बनाइए।
LSE 07 (January 2026 - July 2026) - HINDI
सत्रीय कार्य
(अध्यापक जांच सत्रीय कार्य)
पाठ्यक्रम कोड : LSE-07
सत्रीय कार्य कोड : LSE-07/TMA/2026
कुल अंक : 100
1 (क) वर्गिकी की परिभाषा दीजिए। वर्गिकी के लक्ष्य, उद्देश्य एवं महत्व को बताइए। प्राचीन भारत में पादप वर्गिकी का संक्षिप्त वर्णन दीजिए।
(ख) लिनियस एवं बेंथम और हुकर की वर्गीकरण प्रणालियों के गुणों एवं दोषों का वर्णन कीजिए।
2 (क) वर्गिकीय पदानुक्रम का उचित उदाहरण सहित व्याख्या कीजिए।
(ख) समवृत्ति एवं समजातता की व्याख्या उचित उदाहरणों सहित कीजिए।
(ग) निम्नलिखित का पूरा स्वरूप लिखिए।
(i) ICZN
(ii) IUBS
(iii) ICBN
(iv) ICNP
(ध) कुंजिया क्या होती है?
(च) वनस्पतिक उद्यान की भूमिका बताइए।
3 (क) दो जगत की वर्गीकरण प्रणाली का उपयोग करने से कौन सी मुख्य समस्याएं आती है? व्याख्या कीजिए की पाँच जगत की वर्गीकरण प्रणाली किस प्रकार से इन मुख्य समस्याओं का समाधान कर सकी?
(ख) आकारिकीय, शारीरिक एवं पुरावनस्पतिकीय प्रमाण किस प्रकार से एक वर्गिकीविद् के कार्य साधन बन सकते है? उदाहरण सहित विवरण दीजिए।
4 (क) ऐल्फा एवं आमेगा वर्गिकी में अन्तर बताइए।
(ख) संख्यात्मक वर्गिकी के सिद्धांतों की सूची बनाइए।
(ग) संख्यात्मक वर्गिकी में अपनाई जाने वाली प्रविधियों का वर्णन कीजिए।
5 (क) विवेचना कीजिए कि कैसे जैवरसायन विधि का प्रयोग जीवों के अभिनिर्धारण में किया जाता हैं।
(ख) टिप्पणी कीजिए:
(i) हर्ब्रेरियम का प्रयोग-आचार
(ii) पंच कार्ड
(iii) प्रारूप नमूने
(iv) राष्ट्रीय उपवन
6 लामार्कवाद तथा डार्विनवाद में तुलना उदाहरणों की सहायता से कीजिए।
7 (क) जीव-वैज्ञानिक विशेषताओं को दर्शाते हुए भू-वैज्ञानिक समय मापक्रम का विवरण दीजिए।
(ख) विभिन्न जातियों में परस्पर विकासीय सम्बन्ध स्थापित करने में साइटोक्रोम सी की भूमिका की विवेचना कीजिए।
8 (क) विविधता के स्रोत तथा उसकी अभिव्यक्ति की विवेचना कीजिए।
(ख) किस प्रकार अंतराजातीय प्रतियोगिता से सहानुकूलित समुदायों का विकास होता है उदाहरणों की सहायता से समझाइए।
9 (क) जाति उद्भवन की क्रियाविधियों का वर्णन कीजिए।
(ख) किस प्रकार पृथक्करण के दौरान आनुवंशिक पुनरप्रतिरूपण होता हैं? समझाइए।
10 (क) मानवविकास की प्रवृत्तियों की विवेचना कीजिए।
(ख) मानवीय संस्कृति के विकास में भाषा की भूमिका की व्याख्या कीजिए।
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