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IGNOU LSE-13 Plant Diversity-II - Latest Solved Assignment

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LSE-13 (January 2025 – December 2025) Assignment Questions

1. Give the botanical names of the following:
i) Gram
ii) Walnut
iii) Cucumber
iv) Cardamom
v) Ergot
vi) Belladonna
vii) Shisham
viii) Rubber
ix) Cinnamon
x) Saffron
2. Briefly explain the following terms and write the name of the family where the structure is found.
i) Diadelphous Stamens
ii) Phylloclade
iii) Verticillaster Inflorescence
iv) Protogynous flowers
v) Gynostegium
3. Depict the following through clear and labeled diagram:
i) T.S. of needle of Pinus
ii) T.S. of coralloid root of Cycas with magnified view of algal zone.
iii) Cross section through the vascular bundle of Zea stem showing Y
shaped xylem.
iv) L.S. of bulb of onion
4. Name the families in which these structures are found:
i) Hypanthodium
ii) Tetradynamous androecium
iii) Convoluted anthers
iv) Capitulum inflorescence
v) Intra-petiolar stipules
vi) Culm
vii) Obdiplostemonous androecium
viii) Jaculator
ix) Gynobasic style
x) Pseudostem
5. Compare and contrast the reproductive structures of Cycas and Pinus with diagrams.
6. Compare the family Asteraceae and Rubiaceae and mention their similarities as well as differences also.
7. Discuss why angiosperms are far more successful than any other plant group in the plant kingdom.
8. Compare the families Arecaceae and Poaceae with the reference to the following features:
Leaf, inflorescence, flowers, androecium, gynoecium
9. Write the steps involved from the time coffee berries are plucked until drinking coffee powder is prepared.
10. Write short notes on the following:
i) Simple tissues
ii) Ginkgo biloba
iii) Ply wood
iv) Jute

LSE-13 (January 2024 – December 2024) Assignment Questions

1. Write short notes on the following:

(a) Mycorrhiza
(b) Microsporogenesis
(c) Embryogeny
(d) Medicinal uses of Taxus
(e) Insectivorous plants
(f) Double fertilization
(g) Haustoria
(h) Phylloclade

2. (a) Write the differences between gymnosperms and angiosperms.
(b) Describe cycles in gymnosperms with proper diagrams.

3. Describe megasporangium, megasporogenesis and female gametophyte.

4. Describe how Gnetum resembles angiosperms in many respects?

5. a) What is resin and what are its sources?
b) Give the name of five major timber yielding conifers of India.

6. Draw the labeled diagram of the following:

a) T.S. of root of Orchid
b) Structure of shoot apex
c) C.S. of hypocotyl of Ricinus
d) Colloroid root of Cycas

7. Write a brief account on the economic importance of families Rubiaceae and Asteraceae.

8. Differentiate between following pair of terms:

a) a) Storied and nonstoried cambium
b) Lamellar and lacunar collenchymas
c) Brachysclereid and macrosclereid
d) Tracheids and vessel elements
e) Simple and compound sieve areas

IGNOU LSE-13 (January 2024 – December 2024) Assignment Questions

1. निम्नलिखित पर लघु टिप्पणियां लिखिए ।

i) कवकमूल
ii) लघुबीजाणुजनन
iii) भ्रूणोद्भव
iv) टैक्सस के औषधीय उपयोग
v) कीटभक्षी पादप
vi) द्विनिषेचन
vii) चूषकांग
viii) पर्णाभवृंत

2. क) जिम्नोस्पर्मस तथा एन्जियोस्पस के बीच में भिन्नताओं को लिखिए।
ख) जिम्नोस्पर्मस में जीवन चक्रों को समुचित आरेखों के साथ वर्णन कीजिए ।

3. गुरूबीजाणुधानी, गुरुबीजाणुजनन और मादा युग्मकोद्भिद का वर्णन कीजिए।

4. वर्णन कीजिए कि कैसे नीटम बहुत से मायनों में एन्जियोस्पस से मिलता है ?

5. क) रेजिन क्या है और उनके स्रोतों का उल्लेख कीजिए ।
ख) भारत के पाँच प्रमुख काष्ठ उत्पादक कॉनिफर वृक्षों के नाम लिखिए ।

6. निम्नलिखित के सुनामांकित चित्र बनाइएः

i) आर्किड की जड़ की अनुप्रस्थ काट
ii) प्ररोह शीर्ष की संरचना
iii) रिसीनस के बीजपत्रााधर (hypocotyl) की अनुप्रस्थ काट
iv) साइकस की प्रवाल मूल

7. रूबिएसी और ऐस्टरेसी कुलों के आर्थिक महत्व के बारे में संक्षेप में लिखिए ।

8. निम्नलिखित शब्दों के युग्मों में अंतर बताइए:

i) स्तरित और अस्तरित एधा
ii) पटलीय और रिक्तका स्थूल कोणोतक
iii) समव्यासी दृढ़क और गुरूदृढ़क
iv) वाहिनी और वाहिका अवयवों
v) सरल और संयुक्त चालनी क्षेत्र

LSE-13 Assignments Details

University : IGNOU (Indira Gandhi National Open University)
Title :Plant Diversity-II
Language(s) : English, Hindi
Code : LSE-13
Degree :
Subject : Life Science
Course : Core Courses (CC)
Author : Gullybaba.com Panel
Publisher : Gullybaba Publishing House Pvt. Ltd.

IGNOU LSE-13 (Jan 25 - Dec 25, Jan 24 - Dec 24) - Solved Assignment

Are you looking to download a PDF soft copy of the Solved Assignment LSE-13 – Plant Diversity-II 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-13 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-II

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