Plant Physiology and Metabolism

Paper Code: 
BOT501
Credits: 
3
Contact Hours: 
45.00
Max. Marks: 
100.00
Objective: 

Course Objectives: 

This course will enable the students to-

  1. To study the vital and the various metabolic activities in plants.
  2. To provide an overview of the plant biochemical and physiological processes that could be exploited both to reduce the environmental impact of modern agricultural practices and to develop strategies and tools to increase plant yield and quality and to illustrates knowledge of stress adaptations in biological systems.

Course Outcomes (COs):

Course

Course Outcomes

Learning and teaching strategies

Assessment Strategies

Paper Code

Paper Title

BOT501

 

Plant Physiology and Metabolism

CO68: Know about the requirement of mineral nutrition for plant growth

CO69: Understand the process of Photosynthesis and Respiration.

CO70: Learn about Sensory photobiology.

CO71:  Know about the Plant Growth hormones (Auxins, Gibberellins, Cytokinins, Ethylene)

CO72:  Stress physiology – Responses of plants to biotic and abiotic stresses

Class lectures

Seminars

Tutorials

Group discussions and Workshops

Question Framing

 

 

Class test, Semester end examinations, Quiz, Solving problems in tutorials, Assignments, Presentation, Individual and group projects
 

 

9.00
Unit I: 
Plant-Water Relations and Mineral Nutrition

Plant-Water relations: Soil water, diffusion and osmosis (DPD, OP, TP, water Potential), imbibition, Plasmolysis, ascent of sap, transpiration: stomatal structure, mechanism and significance of transpiration.

Mineral nutrition: Role of micro and macro elements, ion uptake: chelating reagents and siderophores, deficiency and toxicity symptoms, hydroponics

9.00
Unit II: 
Transport of Organic substances; Photosynthetic machinery

Transport of Organic substances: Mechanism of phloem transport, apoplast and symplast concept, source-sink relationship.

Photosynthetic machinery: Chloroplast structure, chlorophyll and accessory pigments, action and absorption spectra and enhancement effects, photosystems I and II

 

9.00
Unit III: 
Photosynthesis mechanism

photophosphorylation- cyclic and non-cyclic, Calvin cycle, C4 pathway, CAM plants, photorespiration, factors affecting photosynthesis

9.00
Unit IV: 
Respiration

 RQ, ATP-the biological energy currency, fermentation, glycolysis , Kreb’s cycle, Electron transport mechanism, oxidative phosphorylation, pentose phosphate pathway

 

9.00
Unit V: 
Growth and Development:

 Plant growth regulators- Auxins, Gibberellins, Cytokinins, Abscisic acid, Ethylene: biosynthesis, chemistry, mechanism of action and their physiological roles, physiology of flowering: photoperiodism and vernalization, growth movements.

 

Essential Readings: 
  • Dennis, DT; Turpin, DH; Lefebvre, DD and Layzell (eds.). 1997. Plant Physiology
  • Devlin. 1997. Plant Physiology. East-West Press Pvt. Ltd.
  • Gosh, AK. 2005. Plant Physiology. New Central Book Agency (P) Ltd., Calcutta.
  • Hopkins, WG. 1995. Introduction to Plant Physiology. John Wiley & Sons Inc., New York, USA.
  • Taiz, L and Zieger, E. 1998. Plant Physiology (2nd edition). Sinauer Associates, Inc. Publishers Massachusetts, USA.
  • Salisbury, FB and Ross, CW. 1992. Plant Physiology (4th edition). Wadsworth Publishing Co., California, USA.

 

References: 
  • Lawlor and David, W. 2001. Photosynthesis. Viva Books Pvt. Ltd.
  • Lea, PJ and Leegood, RC. 1999. Plant Biochemistry and Molecular Biology. John Wiley & Sons, New York.
  • Mohr, H and Schopfer, P. 1995. Plant Physiology. Springer- Verlag, Berlin, Germany.
  • Pandey, BP. 1998. Plant Physiology. Vikas Publishing House.
  • Sands. 1995. Problems in Plant Physiology. John Murray, London.
  • Srivastava, HN. 2006. Pradeep’s Botany Vol. V. Pradeep Publications, Jalandhar.
  • Verma, SK. Plant Physiology and Biochemistry. S. Chand & Sons, New Delhi.

 

Academic Year: 
2020-2021
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