Transport in Plants — Class 11 Bio-Botany (Samacheer Kalvi)
TN State Board (Samacheer Kalvi) Class 11 Bio-Botany, Chapter 11. Absorption, ascent of sap, stomatal movement and phloem transport.
1. About this chapter
This chapter covers Transport in Plants as part of the Class 11 Samacheer Kalvi Bio-Botany curriculum. It deals with absorption, ascent of sap, stomatal movement and phloem transport and builds conceptual understanding essential for the TN HSC Public Exam.
By the end of this chapter, students will be able to:
- Explain osmosis and water potential
- Describe ascent of sap and phloem translocation
2. Key concepts
- Concept 1: Explain osmosis and water potential.
- Concept 2: Describe ascent of sap and phloem translocation.
3. Important terms and formulas
| Term / Formula | Description |
|---|---|
| Explain osmosis and water… | Explain osmosis and water potential |
| Describe ascent of sap… | Describe ascent of sap and phloem translocation |
4. Worked examples
Example 1. Applying a key concept from this chapter.
Solution: Identify the relevant principle → apply the formula or rule → state the answer with correct units.
Example 2. A typical exam-style question on transport in plants.
Solution: Break the problem into steps, use the appropriate formula and verify the answer.
5. Common mistakes
- Mistake: Skipping units or forgetting to state them. Fix: Always write units alongside every quantity and answer.
- Mistake: Confusing similar terms or concepts in this chapter. Fix: Make a comparison table of the terms during revision.
6. Practice (exam-style)
- Define the main term or principle covered in Chapter 11.
- Give two real-life examples related to transport in plants.
- Solve a short numerical or descriptive question from this chapter.
- State one important formula and explain each symbol.
7. Answer key (hints)
- Refer to section 2 (Key concepts) above for the definition.
- Examples should be drawn from daily experience and local context.
- Apply the formula from section 3, show all steps clearly.
- Formula with units — refer to the textbook glossary for symbol meanings.
8. Quick revision
- Class 11 Bio-Botany — Chapter 11: Transport in Plants.
- Core idea: Absorption, ascent of sap, stomatal movement and phloem transport.
- Key outcomes: Explain osmosis and water potential; Describe ascent of sap and phloem translocation.
- Always revise diagrams / tables from the Samacheer Kalvi textbook before the exam.
