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Online Course

Biology XI Part-II

NCERT via Swayam

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Found in Biology Courses

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Overview

The reductionist approach to study of life forms resulted in increasing use of physio-chemical concepts and techniques. Majority of these studies employed either surviving tissue model or straightaway cell free systems. An explosion of knowledge resulted in molecular biology. Molecular physiology became almost synonymous with biochemistry and biophysics. However, it is now being increasingly realised that neither a purely organismic approach nor a purely reductionistic molecular approach would reveal the truth about biological processes or living phenomena. Systems biology makes us believe that all living phenomena are emergent properties due to interaction among components of the system under study. Regulatory network of molecules, supra molecular assemblies, cells, tissues, organisms and indeed, populations and communities, each create emergent properties. This course brings to you the chapters various physiological processes like digestion, exchange of gases, blood circulation, locomotion and movement, coordination and regulation of body events at the organismic level. The description of structure and variation of living organisms over a period of time, ended up as two, apparently irreconcilable perspectives on biology. The two perspectives essentially rested on two levels of organisation of life forms and phenomena. One described at organismic and above level of organisation while the second described at cellular and molecular level of organisation. The first resulted in ecology and related disciplines. The second resulted in physiology and biochemistry. Description of physiological processes, in flowering plants as an example, is what is given in the chapters in this unit. The processes of mineral nutrition of plants, photosynthesis, transport, respiration and ultimately plant growth and development are described in molecular terms but in the context of cellular activities and even at organism level. Wherever appropriate, the relation of the physiological processes to environment is also discussed.  

Syllabus

COURSE LAYOUT

Weeks

Module

Week 0

Introduction of the course

Week 1

Transport in plants (Short distance transport) – Part 1 (kebo_21101)

Week 2

Transport in plants (Long distance transport in xylem): Part – 2 (kebo_21102)
Transport in plants (Phloem translocation): Part– 3 (kebo_21103)

Week 3

Plant Physiology (Mineral Nutrition): Part – 1 (kebo_21201)
Plant Physiology (Mineral Nutrition): Part – 2 (kebo_21202)

Week 4

Early Experiments: Part – 1 (kebo_21301)

Week 5

Light Reactions of Photosynthesis: Part – 2 (kebo_21302)

Week 6

Respiration in Plants: Part – 1 (kebo_21401)

Week 7

Respiration in Plants: Part – 2 (kebo_21402)
Respiration in Plants: Part – 3 (kebo_21403)

Week 8

Plant Growth and Development: Part – 1 (kebo_21501)

Week 9

Plant Growth and Development: Part – 2 (kebo_21502)

Week 10

Human Physiology: Part – 1 (kebo_21601)

Week 11

Human Physiology: Part – 2 (kebo_21602)
Human Physiology: Part – 3 (kebo_21603)

Week 12

Breathing and Exchange of Gases: Part – 1 (kebo_21701)
Breathing and Exchange of Gases: Part – 2 (kebo_21702)

Week 13

Body Fluids and Circulation: Part – 1 (kebo_21801)
Body Fluids and Circulation: Part – 2: (kebo_21802)

Week 14

Body Fluids and Circulation: Part – 3 (kebo_21803)
Body Fluids and Circulation: Part – 4 (kebo_21804)

Week 15

Excretory Products and Their Elimination: Part – 1 (kebo_21901)

Week 16

Excretory Products and their Elimination: Part – 2 (kebo_21902)

Week 17

Locomotion and Movement: Part – 1 (kebo_22001)

Week 18

Locomotion and Movement: Part – 2 (kebo_22002)

Week 19

Locomotion and Movement: Part – 3 (kebo_22003)
Locomotion and Movement: Part – 4 (kebo_22004)

Week 20

Neural Control and Coordination: Part – 1 (kebo_22101)
Neural Control and Coordination: Part – 2 (kebo_22102)

Week 21

Neural Control and Coordination: Part – 3 (kebo_22103)

Week 22

Chemical Coordination and Integration: Part – 1 (kebo_22201)
Chemical Coordination and Integration: Part – 2 (kebo_22202)

Week 23

Chemical Coordination and Integration: Part – 3 (kebo_22203)

Taught by

Dr. Sunita Farkya

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