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IGNOU LSE-06 Developmental Biology - IGNOU Solved Assignment (Latest)

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LSE-01
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LSE-06
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PLEASE MATCH YOUR ASSIGNMENT QUESTIONS ACCORDING TO YOUR SESSION

LSE-06 (January 2025 – December 2025) Assignment Questions

Part-I (Plant Developmental Biology)
1. Make neat and labelled diagrams of the following:
i) Types of ovules
ii) Apomixis types
iii) Cross-section of fruit of Pyrus malus
iv) Storied and non-storied cambium
2. Write short notes on the following:
i) Morphological changes accompanying floral induction,
ii) Production of haploids by tissue culture,
iii) Abscission of leaves and fruits, and
iv) Variants of endosperm.
3. Write short notes on the following:
i) Morphological changes accompanying floral induction
ii) Production of haploids by tissue culture
iii) Abscission of leaves and fruits
iv) Variants of endosperm
Part-II (Animal Developmental Biology)
4. a) Describe the process of metamorphosis in urodeles.
b) Describe the various stages in the development of cancer.
5. a) Make a chart to classify the eggs in animals on the basis of:
i) amount of yolk
ii) location of yolk
b) Describe the basic process of oogenesis in animals with the help of suitable diagrams.
6. Giving examples of each, explain the difference between:
a) Totipotency and pluripotency
b) Allometric and isometric growth
c) Morphollaxis and epimrphosis
d) Holoblastic and meroblastic cleavage
7. a) With the help of diagrams explain the steps of nuclear transplantation experiment in frog eggs.
b) Describe the three basic types of regeneration seen in animals. Give one example for each type.
8. Describe the following briefly:
i) Role of morphogenetic field in development of eye
ii) Role of prothoracic gland in insect metamorphosis
iii) Fate of CFU-M, L stem cells in mammals
iv) Test for genomic equivalence

LSE-06 (January 2024 – December 2024) Assignment Questions

Part-I (Plant Developmental Biology)

1. Define megasporogenesis. Why is it considered important for the sexually reproducing plants?

2. Differentate between gametophytic and sporophytic incompatibility.

3. What is vivipary? How does it help the mangrove species to survive in their saline/estuarine habitat?

4. Define dormancy. What is the importance of seed coat in contracting dormancy?

5. Write short note on the following:

a) Parthenocarpy
b) Cellular Totipotency
c) Senescence of Chloroplasts
d) Techniques of Plant Tissue Culture

Part-II (Animal Developmental)

6. Describe the following briefly:

i) Fate of CFU-M, L stem cells in mammals
ii) Test of genomic equivalence
iii) Role of morphogenetic field in development of eye
iv) Role of prothoracic gland in insect metamorphosis

7. Answer the following briefly:

i) List out the different germ layers present in the gastrula.
ii) Name the three zones from the outer to the inner side of neural retina.
iii) List the secondary egg envelopes in chick.
iv) What is blastema? What is its role in the regeneration of the limb in urodele (salamander)?
v) How does the Rubella virus infection in a 4-5 weeks pregnant woman affect the unborn baby?

8. Describe the following briefly:

i) Allometric and isometric growth
ii) Totipotency and pluripotency
iii) Holoblastic and meroblastic cleavage
iv) Morphollaxis and epimorphosis

9. Explain with neat, labelled diagrams the following:

i) Stages in vertebrate spermatogenesis
ii) Circulatory system changes during human development from foetal to infant stage
iii) Incomplete extensive metamorphosis in dragon files
iv) The process of cell death in the control of pattern formation of limbs

IGNOU LSE-06 (January 2024 – December 2024) Assignment Questions

भाग 1 (पादप परिवर्धन)

1. गुरूबीजाणुजनन की व्याख्या कीजिए लैंगिकजनन करने वाले पादपों के लिए इसे महत्वपूर्ण क्यों समझा जाता है?

2. युग्मकोद्भिद् और बीजाणु – उद्भिद् अनिषेच्यता के बीच भेद बताइए ।

3. जरायुजता किसे कहते हैं? कच्छ वनस्पति जातियों को खारे / ज्वारनदमुख आवासों में जीवित रहने में कैसे सहायक हैं?

4. प्रसुप्ति की परिभाषा दीजिए। प्रसुप्ति लाने में बीज आवरण का क्या महत्व है?

5. निम्नलिखित पर संक्षिप्त टिप्पणी लिखिए:

i) अनिषेकफलन
ii) कोशिकीय पूर्णशक्तता
iii) हरितलवकों की जीर्णता
iv) पादप ऊतक संवर्धन की तकनीकें

भाग -2 ( प्राणी परिवर्धन जीवविज्ञान)

6. निम्नलिखित का संक्षिप्त वर्णन कीजिए:

i) स्तनधारी जीवों में CFU-ML कोशिकाओं की नियति
ii) संजीनीय तुल्यता के लिए परीक्षण
iii) नेत्र परिवर्धन में चक्षुशीय क्षेत्र की भूमिका
iv) कीट कायांतरण में प्रोथोरेसिक ग्रंथि की भूमिका

7. निम्नलिखित का संक्षिप्त वर्णन कीजिए:

i) गैस्टुला की तीनों जनन परतों की सूची बनाइए ।
ii) तंत्रिका दृष्टिपटल (neural retina) में बाहर से लेकर अंदर की ओर तक के तीनों क्षेत्रों के नाम लिखिए।
iii) चूजे के द्वितीयक अंडावरणों की सूची बनाइए ।
iv) बलास्टीमा क्या है? यूरोडेला (salamander) के पाद पुनर्जनन में ब्लास्टीमा की क्या भूमिका है?
v) चार से पाँच सप्ताह की गर्भवती महिला में यदि रुबेला वाइरस का संक्रमण हो जाए तो उसके गर्भ स्थित शिशु पर क्या प्रभाव पड़ेगा?

8. उदाहरण देते हुए निम्नलिखित में अंतर लिखिए:

i) सपेक्षमितीय तथा सममितीय वृद्धि
ii) पूर्णशक्तता तथा बहुशक्तता
iii) पूर्णभंजी (Holoblatic) तथा अंशभंजी (Meroblastic) विदलन
iv) अंगातरण (Morphollaxis) तथा अभिरुपी (Epimorphosis)

9. निम्नलिखित के वर्णन स्पष्ट तथा नामांकित चित्रों की सहायता से कीजिए :

i) कशेरूकिओं में शुक्रजनन के विभिन्न चरण
ii) मानव परिवर्धन के दौरान शिशुगर्भस्थ से नवजात शिशु अवस्था में परिचरण तंत्रों में परिवर्तन
iii) ड्रैगन फ्लाई (dragon fly) में विस्तृत, अपूर्ण कायांतरण
iv) पाद अगों के आकृति के नियन्त्रण में ऊतकक्षय की प्रक्रिया

LSE-06 Assignments Details

University : IGNOU (Indira Gandhi National Open University)
Title :Developmental Biology
Language(s) : English, Hindi
Code : LSE-06
Degree :
Subject : Life Science
Course : Core Courses (CC)
Author : Gullybaba.com Panel
Publisher : Gullybaba Publishing House Pvt. Ltd.

IGNOU LSE-06 (Jan 25 - Dec 25, Jan 24 - Dec 24) - Solved Assignment

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

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Assignment-LSE-06-min

Developmental Biology

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