Chapter 6 of 12
Revision Notes
Tissues — Revision Notes
Gujarat Board · Class 9 · Science
Tissues revision notes for Gujarat Board Class 9 Science: 4 topics in quick points. Key terms: A tissue is a group, Active and Parenchyma (thin.
45 questions25 flashcards5 concepts
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Key Topics to Revise
1
Introduction to Tissues
- A tissue is a group of cells similar in structure and/or work together to achieve a particular function
- Multicellular organisms show division of labour - different groups of cells perform different functions
- Specialised cells grouped together form tissues for maximum efficiency
2
Differences Between Plant and Animal Tissues
- Plants are stationary, animals move - this affects their tissue structure
- Plants have more supportive tissue (often dead cells) to remain upright
- Animals have more living tissues as they need more energy for movement
3
Plant Tissues - Meristematic Tissue
- Located only at specific growing points in plants
- Cells are very active with dense cytoplasm, thin cell walls, prominent nuclei
- Lack vacuoles (to allow space for rapid division)
4
Plant Tissues - Simple Permanent Tissue
- Formed from meristematic tissue after differentiation
- Three main types: Parenchyma, Collenchyma, and Sclerenchyma
- Parenchyma: most common, thin-walled living cells, stores food
Get complete notes with diagrams and examples
Full NotesKey Concepts
A tissue is a groupActiveParenchyma (thinXylem (transports water and minerals upwardProtective covering tissue with tightly packed
Frequently Asked Questions
What are the important topics in Tissues for Gujarat Board Class 9 Science?
Key topics in Tissues include Introduction to Tissues, Differences Between Plant and Animal Tissues, Plant Tissues - Meristematic Tissue, Plant Tissues - Simple Permanent Tissue. Study these first, then practise questions on each for Class 9 exams.
How should I revise Tissues for Class 9 exams?
Learn the core ideas first, then work through the 45 practice questions on Tissues. Revise definitions regularly and use flashcards for quick recall before the exam.
Sources & Official References
Content is aligned to the official syllabus. Refer to the board website for the latest curriculum.
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