Chapter 5 Transpiration
Scope of syllabus: Loss of water in the form of water vapour from the aerial parts of the plant. Mechanism of stomatal transpiration. Adaptations in plants to reduce transpiration. A brief idea of guttation and bleeding.
1) Introduction
2) The process of transpiration:
- Differences between transpiration and evaporation(table)
3) Types of transpiration
4) Stomatal Apparatus: Mechanism of opening and closing of stomata
5) Mechanism of stomatal transpiration
6) Factors which affect transpiration:
- a) Internal factors
- b) External factors
7) Adaptations in plants to reduce transpiration
8) Significance of transpiration:
- a) Advantages of transpiration
- b) Disadvantage of transpiration
9) Anti-transpirants
10) Exudation of water or guttation
11) Experiments
12) Key Points to remember: (Summary)
13) Key terms
14) BTT(Beyond the text): Extra Info.
15) Assignments:
- 1) Objective type(1 mark each)
- 2) Answer in one or two sentences (1 mark each)
- 3) Give reasons (2 marks each)
- 4) Short notes (2/3 marks each)
- 5) Answer in detail (4/5 marks each)
- 6) Board questions
page revision: 1, last edited: 22 Jun 2010 12:45