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IGNOU LSE-12 Plant Diversity-I Notes - IGNOU Solved Assignment (Latest)

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LSE-12 (January 2025 – December 2025) Assignment Questions

1. Describe the Endosymbiont Theory. Write the evidences that support this theory.
2. Citing examples and making labelled diagrams, explain the isomorphic and heteromorphic alternation of generation.
3. What is heterospory? Describe how it has led to the evolution of seed habit in plants?
4. Describe the various uses of algae.
5. a) Explain the life cycle of Neurospora with the help of a well labelled diagram.
b) What is the causal agent of wheat rust? Briefly describe its disease cycle.
6. a) Give an account of the importance of lichens.
b) Describe the role of bryophytes as indicators.
7. Draw well labelled diagrams of the following:
i) L.S. of the mature sporophyte of Marchantia
ii) Antheridium in Sphagnum
iii) Mature archegonium of Funaria
iv) Capsule of Funaria
8. a) Explain the process of development of gametophyte in Pteris.
b) Describe the characteristics of Rhyniagwynne – vaughani.
9. Explain the telome concept.
10. Enumerate the uses of bryophytes as medicinal agents.

LSE-12 (January 2024 – December 2024) Assignment Questions

1. Describe the Endosymbiont Theory. Write the evidences that support this theory.

2. Citing examples and making labelled diagrams, explain the isomorphic and heteromorphic alternation of generation.

3. With the help of a diagram, describe the life cycle of a heteroecious fungus.

4. Trace by giving suitable examples, the evolutionary sequence of sporophytes in bryophytes.

5. What is heterospory? Describe how it has led to the evolution of seed habit in plants?

6. By making labelled diagrams and giving appropriate examples, detail the range of thallus structure in various algal groups.

7. Illustrate the reproductive structures of Marchantia and describe its sexual reproduction.

8. Draw labelled diagrams of T.S. of internode of an aerial branch of Equisetum and T.S. of stem of Selaginella. Compare the features of the two.

9. Detail the disease cycle of ‘Late Blight of Potato’. Mention the measures for control of this disease.

10. Elaborate the structure and anatomy of the major morphological forms of lichens. Support your answer with examples and diagrams.

IGNOU LSE-12 (January 2024 – December 2024) Assignment Questions

1. अंतःसहजीवन सिद्धांत का वर्णन कीजिए। इस सिद्धांत की पुष्टि करने वाले प्रमाणों की चर्चा कीजिए ।

2. उदाहरणों तथा नामांकित चित्रों द्वारा समरूपी तथा विषमरूपी पीढ़ियों के प्रत्यावर्तन को समझाइए ।

3. चित्रों की सहायता से एक भिन्नाश्रयी कवक के जीवन चक्र का वर्णन कीजिए ।

4. ब्रायोफाइटों में बीजाणु-उद्भिदों के विकास अनुक्रम की रूपरेखा उचित उदाहरणों सहित दीजिए ।

5. विषमबीजाणुता की व्याख्या कीजिए। इससे पौधों में बीज प्रकृति का विकास कैसे हुआ, समझाइए ।

6. विभिन्न शैवालीय समूहों में थैलस संरचना परिसर का नामांकित चित्रों एवं उदाहरणों की सहायता से वर्णन कीजए।

7. मार्केन्शिया की जननीय संरचनाओं के नामांकित चित्र बनाइए तथा इसके लैंगिक प्रजनन का वर्णन कीजिए |

8. एक्वीसीटम की वायवीय शाखा के पर्व की अनुप्रस्थ काट तथा सैलाजिनेला के तने की अनुप्रस्थ काट को नामांकित चित्रों द्वारा दर्शाइए। इन दोनों के लक्षणों की तुलना भी कीजिए ।

9. आलू की विलंबित अंगमारी के रोग चक्र का विस्तृत वर्णन कीजिए। इसके नियंत्रण के उपायों का उल्लेख कीजिए ।

10. लाइकेनों के प्रमुख प्रकारों की संरचना तथा शरीर को विस्तार से बताइए। अपने उत्तर को उदाहरणों तथा चित्रों की सहायता से स्पष्ट कीजिए।

LSE-12 Assignments Details

University : IGNOU (Indira Gandhi National Open University)
Title :Plant Diversity-I Notes
Language(s) : English, Hindi
Code : LSE-12
Degree :
Subject : Life Science
Course : Core Courses (CC)
Author : Gullybaba.com Panel
Publisher : Gullybaba Publishing House Pvt. Ltd.

IGNOU LSE-12 (Jan 25 - Dec 25, Jan 24 - Dec 24) - Solved Assignment

Are you looking to download a PDF soft copy of the Solved Assignment LSE-12 – Plant Diversity-I Notes Then GullyBaba is the right place for you. We have the Assignment available in Urdu language. This particular Assignment references the syllabus chosen for the subject of English, Hindi, for the Jan 25 - Dec 25, Jan 24 - Dec 24 session. The code for the assignment is LSE-12 and it is often used by students who are enrolled in the B.Sc., IGNOU Solved Assignments 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.

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

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Plant Diversity-I Notes

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