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IGNOU LSE-05 Physiology - Latest Solved Assignment

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IGNOU - LSE-05 (Jan 24 - Dec 24, Jan 23 - Dec 23) Solved Assignment

Are you looking to download a PDF soft copy of the Solved Assignment LSE-05 - Physiology? Then GullyBaba is the right place for you. We have the Assignment available in English 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-05 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.

PLEASE MATCH YOUR ASSIGNMENT QUESTIONS ACCORDING TO YOUR SESSION

LSE-05 (January 2024 – December 2024) Assignment Questions

Part I-(Animal Physiology)

1. a) Define the following:

i) Stroke volume
ii) Action Potential
iii) Cardiac output
iv) Pulse rate
v) Glial Cells

b) What is the sliding filament model of movement of muscles? How does the sliding movement occur at molecular level?

2. a) Compare the types of nitrogenous wastes observed in animals. Identify which compounds can be excreted with a minimum of water, which is most toxic and which waste product is found in fish, insects and mammals. Data regarding velocity of conduction and diameter of nerve fibre of two species A and B is given below. Which species is an invertebrate?
b) Explain why the velocity of nerve impulse conduction in species B is more than species A?

3. a) Define the following:

i) Anatomical dead space
ii) Cardiac output
iii) Resting potential in a nerve cell
iv) Parthenogenesis
v) Pheromones

b) What do you understand by blood pressure? Explain the process of fluid transfer between the capillaries and tissue.

4. a) What does an oxygen dissociation curve show? Draw and compare the oxygen dissociation curves of haemoglobin and myoglobin.
b) Why do animals exhibit differences between their essential food requirements? Where does the absorption of carbohydrates, lipids and amino acids take place in the vertebrate body? Describe the method of glucose absorption.

5. a) Discuss the nature and functions of estrogen in mammals.
b) With the help of a diagram, discuss the formation and secretion of amino acid based hormones.

Part II-(Plant Physiology)

6. a) List the function of essential elements and describe any one of them.
b) Differentiate between macro nutrient and micro nutrient. Describe the role of any two micronutrients in plant metabolism.

7. Write notes on the following:

i) Biological clocks
ii) C4 plants
iii) Vernalization
iv) Senescence

8. a) Discuss Red Drop and Emerson Enhancement effect.
b) Draw and describe Z scheme to illustrate the movement of electron in PS I (Photosystem I) & PS II (Photosystem II).
c) Describe loading and unloading in sieve tubes.

9. a) What is the role of plant hormones in development and growth? Describe the effect of auxins and cytokinins plant parts.
b) Describe the ways how plant adapts to biological stresses.

10. a) List the main function of stomata. Describe the mechanism of stomatal opening with labeled diagram.
b) Describe the role of proton pump in active transport of protons across plasma-membrane.

IGNOU LSE-05 (January 2023 – December 2023) Assignment Questions

Part I-(Animal Physiology)

1. What are the end-products of food that can be absorbed by the body? Explain how absorption of fats differs from absorption of proteins and-sugars.

2. What are the advantages of a closed circulatory system? In your opinion which is superior-closed or open circulatory system?

3. What is the role of following in osmoregulation?

(i) The cuticle of insect
(ii) Temporal countercurrent system
(iii) Spiracular muscle

4. Discuss the role of haemoglobin in transfer of oxygen and compare it with the transport of carbon dioxide in blood.

5. Explain at least two ways by which homeotherms produce heat and lose heat in order to regulate their body temperature.

6. Explain the action of insect hormones in controlling metamorphosis.

7. Explain briefly the role of loop of Henle in the formation of urine.

8. Make a diagram to summarise the major events between the arrival of action potential in an axonal terminal and the generation of another in the axon hillock of a receiving neuron.

Part II-(Plant Physiology) 

9. (a) Describe the mechanism of stomatal opening.
(b) Name the major macronutrients required for plant growth. Describe the role of any two of them.

10. Write short notes on the following:

(i) Emerson Enhancement effect
(ii) Munch pressure flow model
(iii) Phytochrome iv) Photorespiration

11 (a) Describe the applications of plant hormones.
(b) Define senescence. How is it regulated in plants?

12. Describe various steps involved in the Calvin cycle with the help of a diagram.

13. (a) Differentiate between the following:

(i) Long day and short day plants
(ii) Photosystem I and Photosystem II
(iii) Capillary water and hygroscopic water

(b) Describe in brief the plant responses to water stress

IGNOU LSE-05 (January 2024 – December 2024) Assignment Questions

भाग 1 (प्राणी शरीरक्रिया विज्ञान)

1. क) निम्नलिखित की परिभाषा दीजिए

i) स्ट्रोक आयतन
ii) क्रिया विभव
iii) हृदयी निर्गम
iv) पल्स रेट
v) ग्लीयल कोशिकाएं

ख) माँस पेशियों के संचलन का स्लाइडिंग फिलामेंट क्या है? यह प्रक्रिया आण्विक स्तर पर किस प्रकार होती हैं?

2. क) जन्तुओं में पाये जाने वाले नाइट्रोजनी उत्सर्जनों का तुलनात्मक विवरण दीजिए। बताइए कौन से मिश्रण कम से कम पानी के साथ उत्सर्जित होते है, कौन से सबसे अधिक विषाक्त होते हैं और कौन से उत्सर्गी पदार्थ मछलियों, कीटों तथा स्तनधारियों में पाये जाते है?

ख) A तथा B दो जन्तु जातियों की तंत्रिकाओं से संबंधित डाटा निम्नलिखित है

3. क) निन्नलिखित की परिभाषा दीजिए:

i) शरीरीय डेड स्पेस
ii) हृदयी निर्गम
iii) तंत्रिका कोशिका में विराम झिल्ली विभव
iv) अनिषेकजनन
v) फेरोमोन

ख) रक्त दाब से आप क्या समझते हैं? कोशिकाओं और ऊतकों के बीच द्रव विनिमय को लिखिए।

4. क) ऑक्सीजन वियोजन चक्र क्या दर्शाता है? हीमोग्लोबिन और माइग्लोबिन के आक्सीजन वियोजन चक्र बना कर उनकी तुलना कीजिए।
ख) विभिन्न जन्तु अपने अनिवार्य पोषक की आवश्यकता में अंतर क्यों दर्शाते हैं? कार्बोहाइड्रेट, लिपिड तथा अमीनो अम्ल का अवशोषण कशेरूकियों के आहार नाल में कहाँ होता है? ग्लूकोस के अवशोषण की प्रक्रिया का वर्णन कीजिए।

5. क) स्तनधारी जीवों में एस्ट्रोजन वर्ग के हार्मोनों की प्रकृति एवं प्रभाव की विवेचना कीजिए ।
ख) उपयुक्त चित्र बना कर अमीनों अम्ल पर आधारित हार्मोनों की रचना तथा स्रवण की विवेचना कीजिए।

भाग 2 (पादप कार्यकी )

6. क) अनिवार्य तत्वों के प्रकार्यों की सूची बनाइए एवं उनमें से किसी एक का वर्णन कीजिए ।
ख) स्थूलपोषक एवं सूक्ष्मपोषक में अन्तर बताइए । किन्हीं दो सूक्ष्मपोषक की पादप उपापचय में भूमिका का वर्णन कीजिए।

7. निम्नलिखित पर टिप्पणी लिखिए।

क) जैविक घड़ियां
ख) C पौधे
ग) पूर्व द्रुतशीतन
घ) जीर्णता

8. क) रेड ड्राप एवं एमर्सन संवृद्धि प्रभाव की व्याख्या कीजिए ।
ख) प्रकाश तंत्र-1 व प्रकाश तंत्र – II में इलेक्ट्रान के परिवहन की व्याख्या हेतू Z योजना का सचित्र वर्णन कीजिए।
ग) चालनी नलिकाओं के भारण और अभारण का वर्णन कीजिए ।

9. क) वृद्धि एवं परिवर्धन में पादपो हॉर्मोनों की क्या भूमिका है। ऑक्सिन तथा जिबरलिन का विभिन्न पादप भागों पर प्रभाव का वर्णन कीजिए।
ख) तनाव की स्थिति में पादप कौन से अनुकूलन के तरीके अपनाता है, वर्णन किजिए ।

10. क) रंधों के प्रमुख कार्य की सूची बनाइए। रंध्र-छिद्रों के खुलने की क्रियाविधि चित्रांकित आरेख द्वारा कीजिए।
ख) झिल्ली के पार प्रोटॉनो का परिवहन में प्रोटॉन पम्प की भूमिका का वर्णन कीजिए ।

LSE-05 Assignments Details

University : IGNOU (Indira Gandhi National Open University)
Title :Physiology
Language(s) : English, Hindi
Code : LSE-05
Degree :
Subject : Life Science
Course : Core Courses (CC)
Author : Gullybaba.com Panel
Publisher : Gullybaba Publishing House Pvt. Ltd.

Assignment Submission End Date-upto

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.

  • 30th April (if Enrolled in the June Exams)
  • 31st October (if Enrolled in the December Exams).

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Physiology

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