#1 Best Selling IGNOU Assignments in All Available in Market
Bought By: 6377 Students
Rating: 4.7
Get IGNOU LSE-06 Assignments Soft Copy ready for Download in PDF for (January 2024 - December 2024) in English and Hindi Language.
Are you looking to download a PDF soft copy of the Solved Assignment LSE-06 - Developmental Biology? Then GullyBaba is the right place for you. We have the Assignment available in English and Hindi language.
This particular Assignment references the syllabus chosen for the subject of Life Science, for the January 2024 - December 2024 session. The code for the assignment is LSE-06 and it is often used by students who are enrolled in the B.Sc. 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.
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
Part-I (Plant Developmental Biology)
1. Differentiate between:
(i) Heartwood and sapwood
(ii) Composite and ruminate endosperm
(iii) Recurrent and non-recurrrent apomixis
(iv) Amoeboid and secretory tapetum
2. (a) What is apical dominance? Discuss the role of chemical factors in controlling it.
(b) Define polyembryony and describe its various types.
3. Make well labelled diagrams of the following:
(i) Types of ovules
(ii) Secondary growth in dicot stem
(iii) Syngamy and triple fusion
(iv) Structure of periderm
4. (a) What are cambial variants? Describe some of them with examples.
(b) Describe the major applications of plant tissue and organ culture. (5) (5)
5. Write short notes on the following:
(i) Cellular totipotency
(ii) Commercial cork
(iii) Physiological effects of two naturally occurring plant growth regulators (PGRs)
(iv) Parthenocarpy
Part-II (Animal Developmental)
6. (a) What are the major differences in the development and differentiation of an egg and a sperm?
(b) Define the following terms:
(i) Morphogenetic movements
(ii) Epiblast
7. Discuss the differentiation of an erythrocyte from a pluripotent CFU-S cell.
8. Discuss the process of mesoderm induction in amphibian embryos.
9. What is neoteny? Briefly discuss neoteny in different species of urodeles. What is the significance of neoteny in evolutionary process?
10. Write short notes on:
(i) Interstitial cells of Hydra
(ii) Neoblasts of Planaria
11. Explain that cancer is a multicausal and multistep process.
12. How is the placenta formed? What are its functions?
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
The IGNOU open learning format requires students to submit study Assignments. Here is the final end date of the submission of this particular assignment according to the university calendar.
Here are the PDF files that you can Download for this Assignment. You can pick the language of your choice and see other relevant information such as the Session, File Size and Format.
In this section you can find other relevant information related to the Assignment you are looking at. It will give you an idea of what to expect when downloading a PDF soft copy from GullyBaba.
In addition to this Assignment, there are also other Assignments related to the B.Sc. Life Science you are preparing for. Here we have listed other Assignments that were bought along with this one.