IGNOU BSCG BBYCT 137 Plant Physiology and Metabolism Solved Assignment ENGLISH

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BSCG 2026 - ENGLISH
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BBYCT 137: Plant Physiology and Metabolism

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Title Name IGNOU BSCG BBYCT 137 Plant Physiology and Metabolism Solved Assignment ENGLISH
Type Soft Copy (E-Assignment) .pdf
University IGNOU
Degree BACHELOR DEGREE PROGRAMMES
Course Code BSCG
Course Name Bachelor of Science
Subject Code BBYCT 137
Subject Name Plant Physiology and Metabolism
Year 2026
Session -
Language ENGLISH
Assignment Code BBYCT 137/Assignment-1/2026
Product Description Assignment of BSCG (Bachelor of Science) 2026. Latest BBYCT 137 2026 Solved Assignment Solutions
Format Ready-to-Print PDF (.soft copy)

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BBYCT 137 (January 2026 - July 2026) - ENGLISH

ASSIGNMENT

(Tutor Marked Assignment)

Course Code: BBYCT-137

Assignment Code: BBYCT-137/TMA/2026

Maximum Marks: 100

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

1. Differentiate between the following pairs of terms:

i). Photophosphorylation and Oxidative phosphorylation

ii). Competitive and Non-competitive inhibition

iii). Diffusion and Osmosis

iv). C3 and C4 plants

2. Explain Krebs cycle. Highlight the metabolic intermediates and sites for NADH, FADH2 and ATP production.

3.

a). Define the term 'Vernalization'. What role does it play in agriculture?

b). Explain active transport of metabolites through ionic pumps.

4.

a). Explain the mechanism of allosteric enzyme regulation.

b). Discuss the mechanism of opening and closing of stomata.

5.

a). Discuss the functions of essential elements.

b). What is stress? Discuss temperature induced stress.

6.

Write short notes on any two of the following:

i). Protoosmotic model for phloem transport

ii). Photorespiration

iii). Bioassays for auxins

iv). Phytochrome-mediated responses

7. a). State whether the following statements are 'True' or 'False':

i). Hydrophilic amino acids create a water-free zone within protein molecules.

ii). Wavelength greater than 700 nm are utilized by bacteria for photosynthesis.

iii). The upward movement of water is known as the ascent of sap.

iv). Uncompetitive inhibition is observed when substrate and inhibitor compete for the same active site of the enzyme.

b). Fill in the blanks:

i). The response of a plant part towards gravity is called .................  .

ii). In leguminous plants, leghaemoglobin protects ……………… activity.

iii). The net gain of ATP by complete oxidation of one glucose molecule is ………………… .

iv). Cells undergo plasmolysis when kept in a ………………… solution.

c). Match the items given under column ‘A’ with those given under column ‘B’:

Column A Column B
i) Boron a) Component of ferredoxin
ii) Molybdenum b) Needed for synthesis of auxins
iii) Zinc c) Component of nitrogenase
iv) Iron d) Pollen germination

8. a). Give a graphical account of glycolysis.

b). Give an account of Z-scheme involving non-cyclic and cyclic photophosphorylation.

9. a). Discuss various factors that influence Nitrogenase activity.

b). Discuss the importance of plant accessory pigments.

10. a). Explain the polymer trapping model for symplastic loading of phloem.

b). Explain the components of water potential.


BBYCT 137 (January 2026 - July 2026) - ENGLISH

सत्रीय कार्य

(अध्यापक जांच सत्रीय कार्य)

पाठ्यक्रम कोड : BBYCT-137

सत्रीय कार्य कोड: BBYCT-137/TMA/2026

कुल अंक : 100

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

1. पदों के निम्नलिखित जोड़ों के बीच अन्तर बताइए :

i). प्रकाशफोस्फोरिलीकरण और ऑक्सीकारक फोस्फोरिलीकरण

ii). प्रतिस्पर्धी और अ–प्रतिस्पर्धी संदमन

iii). विसरण और परासरण

iv). C3 और C4 पादप

2. क्रैब्स चक्र को समझाइए। equation, equation और equation उत्पादन उत्पादन के उपापचयी मध्यवर्तियों और स्थलों को बताइए।

3. (क) 'बसँतीकरण' शब्द को परिभाषित कीजिए। इसकी कृषि में क्या भूमिका होती है?

(ख) आयनी पम्पों के द्वारा उपापचयजों के सक्रिय अभिगमन का वर्णन कीजिए।

4. (क) एलोस्टेरिक एन्जाइम नियंत्रण की क्रियाविधि को समझाइए।

(ख) रंध्रों के खुलने और बंद होने की क्रियाविधि की विवेचना कीजिए।

5. (क) अनिवार्य तत्वों के कार्यों को बताइए।

(ख) तनाव क्या है? तापमान प्रेरित तनाव की चर्चा कीजिए।

6. निम्नलिखित में से किन्हीं दो पर संक्षिप्त टिप्पणियाँ लिखिए:

i). फ्लोएम अभिगमन के लिए प्रोटोपरासरणी मॉडल

ii). प्रकाशश्वसन

iii). ऑक्सिन के लिए बायोऐसे

iv). फाइटोक्रोम-मध्यस्थ अनुक्रिया

7. (क) बताइए कि निम्नलिखित कथन 'सत्य' है या 'असत्य' :

i). जलरागी ऐमीनों अम्ल प्रोटीन अणुओं के अंदर जल-मुक्त क्षेत्र निर्मित करते हैं।

ii).  से अधिक के तरंगदैर्घ्यों को उपयोग जीवाणुओं द्वारा प्रकाशसंश्लेषण के लिए किया जाता है।

iii). जल की उपरिगामी गति रसारोहण कहलाती है।

iv). अप्रतिस्पर्धी संदमन में क्रियाधार और संदमक एन्जाइम के एक ही सक्रिय स्थान के लिए स्पर्धा करते हैं।

(ख) रिक्त स्थानों को भरिए :

i). गुरुत्व के प्रति पादप भाग की अनुक्रिया ............................ कहलाती है।

ii). फलीदार पौधों में, लेगहीमोग्लोबिन ............................ क्रिया की सुरक्षा करता है।

iii). ग्लूकोज के एक अणु के पूर्ण ऑक्सीकरण द्वारा ATP की नेट उपलब्धि ............................ है।

iv). कोशिकाएँ ............................ विलयन में रखे जाने पर जीवद्रव्यकुंचन करती हैं।

(ग) कॉलम 'क' में दी गई वस्तुओं का कॉलम 'ख' की वस्तुओं से मिलान कीजिए :

कॉलम क कॉलम ख
i). बोरॉन क) फैरोडॉक्सिन का घटक
ii). मोलिब्डेनम ख) ऑक्सिन के संश्लेषण के लिए आवश्यकता होती है
iii). जिंक ग) नाइट्रोजिनेज का घटक
iv). आयरन घ) परागकण अंकुरण

8. (क) ग्लाइकोलिसिस का ग्राफीय विवरण दीजिए।

(ख) अचकिक और चक्रिक प्रकाशफॉस्फोरिलीकरण समेत Z-योजना का वर्णन कीजिए।

9. (क) नाइट्रोजिनेज क्रिया को प्रभावित करने वाले विभिन्न कारकों पर चर्चा कीजिए।

(ख) पादप के सहायक वर्णकों के महत्त्व पर चर्चा कीजिए।

10. (क) फ्लोएम (पोषवाह) के संद्रव्यी (सिम्प्लास्टिक) भारण के बहुलक पाशन मॉडल को समझाइए।

(ख) जल विभव के घटकों का वर्णन कीजिए।

 


BBYCT 137 2025 - English

ASSIGNMENT

(Tutor Marked Assignment)

Course Code: BBYCT-137

Assignment Code: BBYCT-137/TMA/2025

Maximum Marks: 100

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

1. Define the following terms:

i) Matric potential

ii) Holochrome

iii) Holozyme

iv) Heterocyst

v) Fluorescence

2. How enzyme activity gets altered by inhibitors? Explain.

3. Describe the biochemistry of ammonia assimilation in plants.

4. What are photosynthetic and non-photosynthetic pigments? Discuss their distribution and role in plant kingdom.

5. Describe the role that macro and micro nutrients play in the growth and development of plants. Describe the deficiency symptoms of various elements in plants.

6. Describe the role of auxin and cytokinin in plant development.

7.a) Describe the Munch Mass Flow model of translocation of solutes.

b) Discuss the 'sink' to 'source' transition during phloem unloading.

8.a) Distinguish between short day and long day plants giving two examples of each. What is the role of phytochrome in flowering?

b) What are allosteric enzymes? Discuss with the help of an example.

9.a) What are the different biochemical and morphological changes recorded in plants in response to stress conditions? Discuss.

b) How does ABA act as a stress hormone?

10.a) Describe the structure of mycorrhiza. Comment on the role of mycorrhizal root association in mineral nutrition.

b) Describe the process of glycolysis with the help of a labelled diagram.

 


BBYCT 137 2025 - Hindi

सत्रीय कार्य (अध्यापक जांच सत्रीय कार्य)

:बीबीवाईसीटी-137

सत्रीय कार्य को BBYCT-137/TMA/2025

कुल बंक : 100

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

1. निम्नलिखित शब्दों की परिभाषा दीजिए।

i) मैट्रिक विभव

ii) होलोक्रोम

iii) होलोजाइम

iv) हेटेरोसिस्ट

v) प्रतिदीप्ति

2. संदमक एंजाइमों की गतिविविध को कैसे बदलते है? समझाइए।

3. पादपों में अमोनियम स्वांगीकरण की जैवरसायनिक प्रक्रिया का वर्णन कीजिए।

4. प्रकाशसंश्लेषी और अ-प्रकाशसंश्लेषी वर्णक क्या होते हैं? पादप जगत् में उनके वितरण और भूमिका पर चर्चा कीजिए।

5. पादप वृद्धि और विकास में स्थूलपोषकों और सूक्ष्मपोषकों की भूमिका का वर्णन कीजिए। विभिन्न तत्वों की कमी होने पर लक्ष्णों का वर्णन कीजिए।

6. पादप विकास में ऑक्सिन और साइटोकाइनिन की भूमिका का वर्णन कीजिए।

7. a) विलेयों के स्थानांतरण के मुंच स्थूल प्रवाह मॉडल का वर्णन कीजिए।

b) पोषवाह अभारण के समय 'सिंक' से 'स्रोत' स्थानांतरण की विवेचना कीजिए।

8. a) अल्पदीप्तिकालिक और दीर्घदीप्तिकालिक पादपों के बीच अन्तर बताइए और प्रत्येक के दो उदाहरण दीजिए। पुष्पन में फाइटोक्रोम की क्या भूमिका होती है?

b) एलोस्टेरिक एन्जाइम क्या होते है? उदाहरण देकर विवेचना कीजिए।

9. a) पादपों में तनाव की स्थितियों की अनुक्रिया में कौन से भिन्न जैवरासायनिक और आकारिकीय परिवर्तन रिकॉर्ड किए गए है, व्याख्या कीजिए।

b) ए.बी.ए किस प्रकार तनाव हार्मोन की भांति कार्य करता है?

10. a) कवकमूल की संरचना का वर्णन कीजिए। खनिज पोषण में कवकमूली मूल संबन्धन की भूमिका पर टिप्पणी लिखिए।

b) सुनामांकित चित्र की सहायता से ग्लाइकोलिसिस की प्रक्रिया का वर्णन कीजिए।

 

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Course: Bachelor of Science (BSCG)
Subject: BBYCT 137 - Plant Physiology and Metabolism
Session: January 2026 - December 2026
Language: ENGLISH

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Subject Code BBYCT 137
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