IGNOU BSCFBC BBYCT 131 SOLVED ASSIGNMENT

BBYCT 131 Solved Assignment

BBYCT 131: Biodiversity (Microbes, Algae, Fungi and Archegoniates)

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Title Name IGNOU BSCFBC BBYCT 131 SOLVED ASSIGNMENT
Type Soft Copy (E-Assignment) .pdf
University IGNOU
Degree BACHELOR DEGREE PROGRAMMES
Course Code BSCFBC
Course Name Bachelor of Science (Biochemistry)
Subject Code BBYCT 131
Subject Name Biodiversity (Microbes, Algae, Fungi and Archegoniates)
Year 2026
Session -
Language English Medium
Assignment Code BBYCT 131/Assignment-1/2026
Product Description Assignment of BSCFBC (Bachelor of Science (Biochemistry)) 2026. Latest BBYCT 131 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).
FormatReady-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

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BBYCT 131 2025 - English

ASSIGNMENT

Course Code: BBYCT-131

Assignment Code: BBYCT-131/TMA/2025

Maximum Marks: 100

Note: Attempt all questions. The marks for each question are indicated against it.

1.a) Give a brief account on lytic or lysogenic replication in viruses with suitable diagrams.

b) Discuss the role of bryophytes as ecological indicators

2.a) Define heterospory. What is its biological significance?

b) List the mechanisms of genetic exchange in bacteria and describe any one of them in detail

3.a) Trace the development of female gametophytes in Cycas

b) Enumerate the medical value of Gymnosperms.

4. Differentiate between the following pairs of terms:

i) Bacterial cell and Archaeal cell

ii)Liverworts and Mosses

iii)Transformation and Transduction

iv) Petrifaction and Compression

5. Prepare clear and well-labelled diagrams of the following

i) Clamp connection formation in Basidiomycetes.

ii) V.S. thallus through a gemma cup in Marchantia.

iii) T.S. needle of Pinus.

iv) L.S. microsporangium of Selaginella.

6. a) Describe the internal and external structure of a typical bacterium.

b) Differentiate a bacterial cell from an archaeal cell.

7.a) Discuss different types of steles found in pteridophytes along with suitable diagrams.

b) Briefly describe the economic importance of Pteridophytes or Gynosperms.

8.Prepare a detailed account of occurrence, morphology and ultrastructure in Cyanophyta.

9. Define the transformation. How Griffith's experiment was carried out to discover bacterial transformation?

10. Write notes on the following:

i) Biofertilizer

ii) Polyembryony in gymnosperms

iii)Alternation of generations

iv) Coralloid roots of Cycas


BBYCT 131 (January 2026 - July 2026) - ENGLISH

ASSIGNMENT

Course Code: BBYCT-131

Assignment Code: BBYCT-131/TMA/2026

Maximum Marks: 100

Note: Attempt all questions. The marks for each question are indicated against it.

1.

a) "Bacteria have a major impact on human life by their beneficial activities". Elaborate with examples.

b) Discuss the lysogenic cycle with a neat diagram.

2.

a) Write a short note on Siphonogamous and Zoidogamous plants.

b) Describe mycorrhiza. How does it help the host?

3.

Write a detailed account on occurrence, morphology and ultrastructure in Cyanophyta.

4.

a) Explain the mechanisms of pollination and fertilization in gymnosperms.

b) Define heterospory. Explain its biological significance.

5.

a) Describe in brief structure and anatomy of crustose or foliose lichens.

b) Why bryophytes are considered as pioneers of vegetation? How do they help in preventing soil erosion and recycling of nutrients?

6.

a) Enumerate the characteristics of Lycophyta.

b) How do pollination and fertilisation occur in Pinus? Explain.

7.

a) Describe economic importance of Pteriodophytes or Gymnosperms.

b) Compare the male reproductive structure of Cycas and Pinus.

8.

a) With the help of diagrams, describe the sexual reproduction in Polysiphonia.

b) Justify gymnosperm seed have remarkable combination of two generations.

9.

a) Describe the mechanisms of genetics recombination in bacteria with suitable diagrams.

b) With the help of suitable diagram, explain the sexual reproduction in Funaria.

10. Write notes on the following:

i) Fungal antibiotics and drugs

ii) HIV virus.

iii) Clamp connection formation in Basidiomycetes.

iv) T.S. of coralloid root of Cycas.


BBYCT 131 2025 - Hindi

सत्रीय कार्य

एमवायसीटी-131

बीबीवाईसीटी-13ए/टीएमए/2005

नोट: सभी प्रश्नों को करना अनिवार्य है। हर प्रश्न के अंक उसके सामने दिए गए हैं।

1.क) लयन अथवा लयजनक विषाणु की पुनरावृत्ति का संक्षिप्त विवरण दीजिए।

ख) पारिस्थितिक सूचकों के रूप में ब्रायोफाइट्स की भूमिका की चर्चा कीजिए।

2. क) विषमबीजाणुता को परिभाषित कीजिए। इसका जैविक महत्त्व क्या है?

ख) बैक्टीरिया में जीन विनियम की विधियों की सूची बनाइए एंव किसी एक का वर्णन कीजिए।

3.क) साइकस में मादा युग्मको‌द्भिद् के विकास का वान कीजिए।

ख) जिम्नोस्पर्म्स के औषधीय उपयोगों को बताइए।

4. निम्नलिखित पदों के युग्मों के बीच अंतर बताइए

i) जीवाणवीय कोशिका और आर्किया की कोशिका

ii) लिवरवर्ट और मॉस

iii) पारगमन और पारक्रमण

iv) अश्मीभवन और संपीडन

5. निम्नलिखित के स्वच्छ व सुनामांकित चित्र बनाइएः

i) बेसीडियोमाइसिटस में क्लैम्प सम्बन्धनों का बनाना।

ii) मार्कन्शिया के गैमा कप की खड़ी काट।

iii) पाइनस की सुई की अनुप्रस्थ काट।

Iv) सिलेोजिनेला के लघुबीजाणुधानी की अनुदैर्ध्य काट

6. क) जीवाणु के आंतरिक संरचना का नांमाकित रेखाचित्र की सहायता से वर्णन कीजिए।

ख) आक्रिया और जीवाणु कोशिका के बीच अंतर बताइए।

7. क) टेरिडोफाइट्स में पाई जाने वाली रंभोग संरचना को यथोचित चित्रों द्वारा वर्णन कीजिए।

ख) टेरिडोफराइट्स या जिम्नोस्पर्म्स के आर्थिक महत्व का संक्षिप्त में वर्णन कीजिए।

8. सायनोफाइटा के ठार-ठिकाने, आकारिकी तथा परासंरचना को विस्तार से समझाइए।

9. परिगमन को परिभाषित कीजिए। ग्रिफिथ के परीक्षण से किस प्रकार जीवाणुओं में परिगमन की खोज हुई?

10. निम्नलिखित पर टिप्पणी कीजिए:

i) जैवउर्वरक 

ii) जिम्नोस्पर्म में बहुभ्रूणता

iii) पीढ़ियों का एकांतरण

iv) साइकस के प्रवाल मूल


BBYCT 131 (January 2026 - July 2026) - HINDI

सत्रीय कार्य

पाठ्यक्रम कोड: BBYCT-131

सत्रीय कार्य कोड: BBYCT-131/TMA/2026

कुल अंक : 100

नोट: सभी प्रश्नों को करना अनिवार्य हैं। हर प्रश्न के अंक उसके सामने दिए गए हैं।

1. क) "जीवाणुओं का मानव जीवन पर उनके लाभदायक क्रियाकलापों के द्वारा अत्यधिक प्रभाव होता है।" इसे उदाहरणों के साथ वर्णित कीजिए।

ख) स्वच्छ चित्र के साथ लयजनक (लाइसोजेनिक) चक्र को बताइए।

2. क) नालयुग्मी (साइफोनोगेमस) और सरचयुग्मी (जोइडोगेमस) पादपों पर एक लघु टिप्पणी लिखिए।

ख) कवकमूल (माइकोराइजा) का वर्णन कीजिए। यह किस प्रकार परपोषी की सहायता करता है ?

3. सायनोफाइटा के ठार–ठिकाने, आकारिकी तथा परासंरचना को विस्तार से लिखिए।

4. क) जिम्नोस्पर्म्स (आवृत्तबीजियों) में परागण और निषेचन की क्रियाविधियों को समझाइए।

ख) विषमबीजाणुता को परिभाषित कीजिए। इसके जैविक महत्व को व्याख्या कीजिए।

5. क) पर्पटमय या पणिल लाइकेनों की संरचना और शरीर को संक्षेप में वर्णन कीजिए।

ख) ब्रायोफाइटों को वनस्पति का अग्रणी क्यों माना जाता है? वे मिट्टी के कटाव की रोकथाम तथा पोंषकों के पुनः चक्रण में किस प्रकार सहायक हैं?

6. क) लाइकोफाइटा की विशेषताएँ बताइए।

ख) पाइनस में परागण और निषेचन कैसे होता है? व्याख्या कीजिए।

7. क) टेरिडोफाइट्स या जिम्नोस्पर्म्स के आर्थिक महत्व का वर्णन कीजिए।

ख) साइकस और पाइनस के नर जननांगों की तुलना कीजिए।

8. क) चित्रों की सहायता से पोलीसाइफोनिया लैंगिक जनन का वर्णन कीजिए।

ख) सिद्ध कीजिए कि जिम्नोंस्पर्म के बीज में दोनों पीढ़ियों का उत्कृष्ट संयोजन होता है।

9. क) जीवाणुओं में आनुवंशिक पुनयोग की क्रियाविधियों का उपयुक्त चित्रों सहित वर्णन कीजिए।

ख) उपयुक्त चित्र की सहायता से, फ्यूनेरिया में लैंगिक जनन की व्याख्या कीजिए।

10. निम्नलिखित पर टिप्पणी कीजिए:

i) कवकीय एन्टीबायोटिक्स और औषधियाँ ।

ii) HIV विषाणु

iii) जन्तुओं और मनुष्यों में कवकीय रोग।

iv) बेसीडियोमाइसिटम में क्लैम्प सम्बन्धनों का बनना।

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