IGNOU BBYCT 135 SOLVED ASSIGNMENT

BBYCT 135 Solved Assignment

BBYCT 135: Plant Anatomy and Embryology

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Title Name IGNOU BBYCT 135 SOLVED ASSIGNMENT
Type Soft Copy (E-Assignment) .pdf
University IGNOU
Degree BACHELOR DEGREE PROGRAMMES
Course Code BSCG
Course Name Bachelor of Science
Subject Code BBYCT 135
Subject Name Plant Anatomy and Embryology
Year 2026
Session -
Language English Medium
Assignment Code BBYCT 135/Assignment-1/2026
Product Description Assignment of BSCG (Bachelor of Science) 2026. Latest BBYCT 135 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 135 2025 - English

ASSIGNMENT

Course Code: BBYCT-135

Assignment Code: BBYCT-135/TMA/2025

Maximum Marks: 100

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

1. Write short notes on the following:

i) Plasmodesmata

ii) Plastochron

iii) Statolith

iv) Velamen

v) mycorrhiza

vi) Phylloclade

vii) Dendroclimatology

viii) Tylosis

ix) Cystolith

x) Resurrection plants

2. a) Enlist main characteristics of meristematic tissues.

b) Classify meristems into different types on the basis of the plane of division and function in the plant body.

3.Describe in brief the shoot and root apical organization according to Histogen theory.

4.a) Enlist anatomical characteristics that distinguish a primary root of a seed plant.

b) With the help of a well labeled diagram compare the internal tissue organization of a primary dicotyledonous and monocotyledonous root.

5.a) With the help of well labeled diagram describe the structure of a stomata.

b) Describe the functions of stomata. Classify the stomata on the basis of ontogeny and morphology.

6.What are Trichomes? Describe different types of Trichomes and their role in defense of plants.

7.With the help of well labeled diagram describe the ABC Model of Flower Organization

8.What is Apomixis? Describe the sporophytic and gametophytic apoxixis.


BBYCT 135 (January 2026 - July 2026) - ENGLISH

ASSIGNMENT

Course Code: BBYCT-135

Assignment Code: BBYCT-135/TMA/2026

Maximum Marks: 100

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

1. Define the following terms :

i) Plastochron      ii) Polyspory

iii) Tuber           iv) Areole

v) Tylosis            vi) Stomatal complex

vii) Commensalism    viii) Cleistogamy

ix) Cheiropterophily     x) Apomeiosis

2. Explain the different theories of root apical organization.

3. 

a) Describe in brief the various morphological and anatomical adaptations in xerophytes with diagrams.

b) Describe chronologically the events that enable primary dicot root become secondary roots. Support your answer with suitable labeled diagrams.

4.

a) How do mangroves remove salt?

b) Trichomes play an important role in defense of plants. Explain the statement.

5.

a) Three genes regulate the stages of flower development. Explain.

b) How stigma helps in the process of pollen germination and guidance of pollen tube into the style?

6.

a) What are endosperm haustoria? Describe the different types of endosperm haustoria.

b) Name some of the important genes and factors regulating the development of embryo in Arabidopsis.

7. Write a note on seed development and its structure.

8.

a) What is parthenocarpy? Describe various types of parthenocarpy found in plants.

b) Describe the type of pollination noted in Salvia.

9. Differentiate between:

i) Composite and ruminate endosperm

ii) Companion cell and albuminous cell

iii) Vascular and cork cambium

iv) Stomatal frequency and Stomatal index

v) Psychophily and hymenophily

10. Write short notes on:

i) Double fertilization

ii) Pneumatophores

iii) Pollen sterility

iv) Suspensor

 


BBYCT 135 2025 - Hindi

सत्रीय कार्य

:बीबीवाईसीटी-135

बीबीवाईसीटी-135/टीएमए/2025

नोट: सभी प्रश्न कीजिए। हर प्रश्न के आगे अंक दिए गए हैं।

1. निम्नलिखित पर लघु टिप्पणियां लिखिए।

i) प्लैज्मोडेस्मेटा

ii) प्लास्टोक्रोन

iii) स्टेटोलिथ

iv) वेलामेन

v) कवकमूल

vi)पर्णाभस्तंभ

vii)दुमजलवायु विज्ञान

viii) टाइलोसिस

ix)सिस्टोलिथ

x) पुर्नजीवनी पादप

2.क) विभज्योतकी ऊतकों की मुख्य विशेषताओं को सूचीबद्ध कीजिए।

ख) विभज्योतकों को पादप काया में विभाजन के तल और कार्य के आधार पर विभिन्न प्रकारों में वर्गीकृत कीजिए।

3. ऊतकजन सिद्धान्त के अनुसार प्ररोह और मूल शीर्ष संगठन का संक्षेप में वर्णन कीजिए।

4.क) बीजीय पादप की प्राथमिक जड़ को विभेदित करने वाली शारीरीय विशेषताओं को सूचीबद्ध कीजिए।

ख) सुनामांकित चित्र की सहायता से एक प्राथमिक द्विबीजपत्री और एकबीजपत्री जड़ के आंतरिक ऊतक संगठन का तुलनात्मक वर्णन कीजिए।

5.क) सुनामांकित चित्र की सहायता से एक रंध्र की संरचना का वर्णन कीजिए।

ख) रंध्र के कार्यों का वर्णन कीजिए। रंधों का व्यक्त्तिवृत और आकारिकी के आधार पर वर्गीकरण कीजिए।

6. त्वचारोम क्या है? विभिन्न प्रकार के त्वचारोम और पादपों की सुरक्षा में उनकी भूमिका का वर्णन कीजिए।

7. सुनामांकित चित्र की सहायता से पुष्पीय संगठन का एबीसी (ABC) मॉडल का वर्णन कीजिए।

8. असंगजनन क्या है? बीजाणुउ‌द्भिदी और युग्मकोद्भिदी असंगजनन का वर्णन कीजिए।


BBYCT 135 (January 2026 - July 2026) - ENGLISH

सत्रीय कार्य

पाठ्यक्रम कोड: BBYCT-135

सत्रीय कार्य कोड: BBYCT-135/TMA/2026

कुल अंक : 100

नोट: सभी प्रश्न कीजिए। हर प्रश्न के आगे अंक दिए गए हैं।

1. निम्नलिखित शब्दों को परिभाषित कीजिए :

i) प्लास्टोक्रोन

ii) बहुबीजाणु

iii) कंद

iv) एरिओल

v) टाइलोसिस

vi) रंध्रीय कॉम्प्लेक्स

vii) सहभोजिता

viii) अनुन्मील परागण

ix) जंतु परागण

x) अपअर्धसूत्रण

2. मूल शीर्ष संगठन की विभिन्न सिद्धांतों की व्याख्या कीजिए।

3. क) मरुद्भिदों में विभिन्न आकारिकीय और शारीरिक अनुकूलनों का सचित्र वर्णन संक्षेप में कीजिए।

ख) उन घटनाओं का क्रमवार वर्णन कीजिए जो प्राथमिक द्विबीजपत्री जड़ का द्वितीयक जड़ें बनना संभव बनाती हैं। अपने उत्तर के साथ उचित सुनामांकित चित्रों को भी बनाइए।

4. क) मैंग्रोव किस प्रकार लवणों का निष्कासन करते हैं?

ख) त्वचारोम पादपों की सुरक्षा में महत्वपूर्ण भूमिका निभाते हैं। इस कथन की व्याख्या कीजिए।

5. क) पुष्प विकास की अवस्थाओं को तीन जीन नियंत्रित करते हैं। व्याख्या कीजिए।

ख) वर्तिकाग्र किस प्रकार परागकण के अंकुरण और परागनली के वर्तिका में प्रवेश के मार्गदर्शन की प्रक्रिया में सहायता करता है?

6. क) भ्रूणपोष चुषकांग क्या हैं? विभिन्न प्रकार के भ्रूणपोष चुषकांगों का वर्णन कीजिए।

ख) ऐरेबीडोप्सिस में भ्रूण के विकास को नियंत्रित करने वाले कुछ महत्वपूर्ण जीन्स और कारकों का नाम बताइए।

7. बीज के विकास और उनकी संरचना पर टिप्पणी लिखिए।

8. क) अनिषेकफलन क्या है? पादपों में पाए जाने वाले विभिन्न प्रकार के अनिषेकफलन का वर्णन कीजिए।

ख) साल्विया में पाए जाने वाले परागण के प्रकार का वर्णन कीजिए।

9. निम्न के बीच अन्तर कीजिए:

i) संयुक्त और चर्बिताभ भ्रूणपोष

ii) सहचर कोशिका और एल्ब्यूमिनी कोशिका

iii) संवहनी और कॉर्क कैम्बियम

iv) रंध्र बहुलता (आवृत्ति) और रंध्रांक

v) तितली परागण (साइकोफिली) और मधुमक्खी परागण (हाइमीनोफिली)

10. निम्न पर लघु टिप्पणियां लिखिए :

i) द्विनिषेचन

ii) श्वसन मूल

iii) परागकण बंध्यता

iv) निलंबक

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