IGNOU LSE 5 SOLVED ASSIGNMENT
LSE 5: Physiology
₹80 ₹30
| Title Name | IGNOU LSE 5 SOLVED ASSIGNMENT |
|---|---|
| Type | Soft Copy (E-Assignment) .pdf |
| University | IGNOU |
| Degree | BACHELOR DEGREE PROGRAMMES |
| Course Code | BSC |
| Course Name | Bachelor in Science |
| Subject Code | LSE 5 |
| Subject Name | Physiology |
| Year | 2026 |
| Session | - |
| Language | English Medium |
| Assignment Code | LSE 5/Assignment-1/2026 |
| Product Description | Assignment of BSC (Bachelor in Science) 2026. Latest LSE 05 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). |
| Format | Ready-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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• Guidelines: Strictly follows 2025-26 official word limits.
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LSE 5 2025 - English
ASSIGNMENT
(Tutor Marked Assignment)
Course Code: LSE-05
Assignment Code: LSE-05/TMA/2025
Maximum Marks: 100
Instructions: Attempt all questions. Write your answers for part I and II in separate answer books. Draw neat and abeled diagrams wherever necessary. Be precise in your answer. Apart from the content, your answer will be graded for using your own language, clarity and logical presentation.
Part I-(Animal Physiology)
1. Define and describe an O₂ dissociation curve. What are the effects of high temperature and carbon dioxide (CO₂) concentration on this curve?
2 Describe the structure of a nervous system synapse. What happens when an action potential reaches the synapse? Explain with suitable diagrams.
3. Differentiate between:
i) Estrous and Menstrual Cycles
ii) Peptide and Steroid Hormones
iii) Ciliary and Flagellar Movements
iv) Guanotelism and Uricotelism
4. Write short notes on:
i) Neuroendocrine link between hypothalamus and pituitary glands in humans
ii) Physiological thermal regulation in poikilotherms
Molluscan kidney
iv) Lymphatic system
v) Role of calcium in regulation of muscle contraction
5. Where does the absorption of carbohydrates, lipids and amino acids take place in the vertebrate body? Describe the method of glucose absorption.
Part II (Plant Physiology)
6.a) Describe the ways how plant adapt to biological stresses.
b) Describe the role of proton pump in active transport of protons across plasma-membrane.
7.a) Describe the mechanism of stomatal opening.
b) Name the major macronutrients required for plant growth. Describe the role of any two of them.
8. Write short notes on the following:
i) Emerson Enhancement effect
ii) Munch pressure flow model
iii) Phytochrome
iv) Photorespiration
9.a) Describe the applications of plant hormones.
b) Define senescence. How is it regulated in plants?
10. Describe the various steps involved in Calvin cycle with the help of a diagram.
LSE 05 (January 2026 - July 2026) - ENGLISH
ASSIGNMENT
(Tutor Marked Assignment)
Course Code: LSE-05
Assignment Code: LSE-05/TMA/2026
Maximum Marks: 100
Instructions: Attempt all questions. Write your answers for part I and II in separate answer books. Draw neat and abeled diagrams wherever necessary. Be precise in your answer. Apart from the content, your answer will be graded for using your own language, clarity and logical presentation.
Part I-(Animal Physiology)
1. Define and describe an O2 dissociation curve. What are the effects of high temperature and carbon dioxide (CO2) concentration on this curve?
2. Describe the structure of a nervous system synapse. What happens when an action potential reaches the synapse? Explain with suitable diagrams.
3. Differentiate between:
i) Estrous and Menstrual Cycles
ii) Peptide and Steroid Hormones
iii) Ciliary and Flagellar Movements
iv) Guanotelism and Uricotelism
4. Write short notes on:
i) Neuroendocrine link between hypothalamus and pituitary glands in humans
ii) Physiological thermal regulation in poikilotherms
iii) Molluscan kidney
iv) Lymphatic system
v) Role of calcium in regulation of muscle contraction
5. Where does the absorption of carbohydrates, lipids and amino acids take place in the vertebrate body? Describe the method of glucose absorption.
Part II (Plant Physiology)
6. a) Describe the ways how plant adapt to biological stresses.
b) Describe the role of proton pump in active transport of protons across plasma-membrane.
7. a) Describe the mechanism of stomatal opening.
b) Name the major macronutrients required for plant growth. Describe the role of any two of them.
8. Write short notes on the following:
i) Emerson Enhancement effect
ii) Munch pressure flow model
iii) Phytochrome
iv) Photorespiration
9. a) Describe the applications of plant hormones.
b) Define senescence. How is it regulated in plants?
10. Describe the various steps involved in Calvin cycle with the help of a diagram.
LSE 5 2025 - Hindi
सत्रीय कार्य (अध्यापक जांच सत्रीय कार्य)
एलएसई-05
एलएसई-45/टीएमए/202
कुल अंक : 100
निर्देश: सभी प्रश्नों का उत्तर दीजिए। भाग 1 और 2 के प्रश्न अलग-अलग उत्तर पुस्तिका में कीजिए। आवश्यकतानुसार साफ और अंकित आरेख बनाइए।
भाग 1 (प्राणि शरीरक्रिया विज्ञान)
1. ऑक्सीजन वियोजन वक्रा (oxygen dissociation curve) को परिभाषित करके उसका वर्णन कीजिए। यह वक्र उच्च तापमान तथा अधिक कार्बन डाईऑक्साइड (CO₂) सांद्रता से किस प्रकार प्रभावित होता है?
2. तंत्रिका तंत्र में पाई जाने वाले अंतर्ग्रथन की संरचना का वर्णन कीजिए। क्या होता है जब कोई क्रिया विभव (action potential) अंतर्सथन पर पहुंचता है? उपयुक्त रेखाचित्रों की सहायता से समझाइए।
3. निम्नलिखित में विभेद कीजिए:
i) मदचक्र तथा रजोचक्र
ii) पेप्टॉइड और स्टेरॉयड हार्मोन
iii)पक्ष्मानी और कशामी गति
iv) ग्वानोउत्सर्जन और यूरिकोउत्सर्जन
4. निम्नलिखित पर संक्षिप्त टिप्पणियां लिखिए :
i) हाइपोथैलमस तथा पीयूष (पिट्यूटरी) ग्रंथि के मध्य तंत्रि-अंतःस्रावी संबंध
ii) असमतापियों में तापमान नियमन
iii) मोलस्का के वृक्क
iv) लसिका तंत्र
v) पेशी-संकुचन के नियंत्रण में कैल्शियम की भूमिका
5. कशेरुकी जीवों के शरीर में कार्बोहाइड्रेट, लिपिड (वसा) व ऐमीनो अम्ल का अवशोषण कहाँ होता है? ग्लकोस अवशोषण की विधि का वर्णन किजिए।
भाग 2 (पादप कार्यकी)
6. क) तनाव की स्थिति में पादप कौन से अनुकूलन के तरीके अपनाता है, वर्णन किजिए।
ख) झिल्ली के पार प्रोटॉनो का परिवहन में प्रोटॉन पम्प की भूमिका का वर्णन कीजिए।
7. क) रंध्र-छिद्रों के खुलने की क्रियाविधि का वर्णन कीजिए।
खा) पादप विकास के लिए अनिवार्य प्रमुख स्थूलोषकों के नाम दीजिए। उनमें से किन्ही दो की भूमिका का संक्षिप्त वर्णन कीजिए।
8. निम्नलिखित पर लघु टिप्पणी कीजिए:
i) एमर्सन संवृद्धि प्रभाव
ii) मन्च का दाब प्रवाह मॉडल
(iii)फाइटोक्रोम
iv) प्रकाश श्वसन
9. क) पादप हार्मोनों के अनुप्रयोगों का वर्णन कीजिए।
ख) जीर्णता क्या है? पादपों में इसका नियमन कैसे होता है?
10. आरेखीय चित्र की सहायता से केल्विन चक्र के विभिन्न चरणों का वर्णन कीजिए।
LSE 05 (January 2026 - July 2026) - HINDI
सत्रीय कार्य
(अध्यापक जांच सत्रीय कार्य)
पाठ्यक्रम कोड : LSE-05
सत्रीय कार्य कोड : LSE-05/TMA/2026
कुल अंक : 100
निर्देश : सभी प्रश्नों का उत्तर दीजिए। भाग 1 और 2 के प्रश्न अलग-अलग उत्तर पुस्तिका में कीजिए। आवश्यकतानुसार साफ और अंकित आरेख बनाइए।
भाग 1 (प्राणी शरीरक्रिया विज्ञान)
1. ऑक्सीजन वियोजन वक्र (oxygen dissociation curve) को परिभाषित करके उसका वर्णन कीजिए। यह वक्र उच्च तापमान तथा अधिक कार्बन डाईऑक्साइड () सांद्रता से किस प्रकार प्रभावित होता है?
2. तंत्रिका तंत्र में पाई जाने वाले अंतर्ग्रथन की संरचना का वर्णन कीजिए। क्या होता है जब कोई क्रिया विभव (action potential) अंतर्ग्रथन पर पहुंचता है? उपयुक्त रेखाचित्रों की सहायता से समझाइए।
3. निम्नलिखित में विभेद कीजिए :
i) मदचक्र तथा रजोचक्र
ii) पेप्टॉइड और स्टेरॉयड हार्मोन
iii) पक्ष्माभी और कशाभी गति
iv) ग्वानोत्सर्जन तथा यूरिकोउत्सर्जन
4. निम्नलिखित पर संक्षिप्त टिप्पणियां लिखिए :
i) हाइपोथैलमस तथा पीयूष (पिट्यूटरी) ग्रंथि के मध्य तंत्रि-अंत:स्रावी संबंध
ii) असमतापियों में तापमान नियमन
iii) मोलस्का के वृक्क
iv) लसिका तंत्र
v) पेशी-संकुचन के नियंत्रण में कैल्शियम की भूमिका
5. कशेरुकी जीवों के शरीर में कार्बोहाइड्रेट, लिपिड (वसा) व ऐमीनो अम्ल का अवशोषण कहाँ होता है? ग्लूकोस अवशोषण की विधि का वर्णन कीजिए।
भाग 2 (पादप कार्यकी)
6. क) तनाव की स्थिति में पादप कौन से अनुकूलन के तरीके अपनाता है, वर्णन कीजिए।
ख) झिल्ली के पार प्रोटॉनों का परिवहन में प्रोटॉन पम्प की भूमिका का वर्णन कीजिए।
7. क) रंध्र-छिद्रों के खुलने की क्रियाविधि का वर्णन कीजिए।
ख) पादप विकास के लिए अनिवार्य प्रमुख स्थूलपोषकों के नाम दीजिए। उनमें से किन्ही दो की भूमिका का संक्षिप्त वर्णन कीजिए।
8. निम्नलिखित पर लघु टिप्पणी कीजिए :
i) एमर्सन संवृद्धि प्रभाव
ii) मन्च का दाब प्रवाह मॉडल
iii) फाइटोक्रोम
iv) प्रकाश श्वसन
9. क) पादप हार्मोनों के अनुप्रयोगों का वर्णन कीजिए।
ख) जीर्णता क्या है? पादपों में इसका नियमन कैसे होता है?
10. आरेखीय चित्र की सहायता से केल्विन चक्र के विभिन्न चरणों का वर्णन कीजिए।
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