Tissues in Action — Syllabus
CBSE · Class 9 · Science
What Tissues in Action covers in CBSE Class 9 Science: 4 topics, for the 2026-27 session. Part of the CBSE Class 9 Science syllabus.
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Topics in Tissues in Action
1. Basic idea of tissues and organisation
- A tissue is a group of similar cells working together for a specific function.
- In multicellular organisms, division of labour increases efficiency.
- Cells form tissues, tissues form organs, organs form organ systems, and organ systems form the organism.
2. Meristematic tissue and plant growth
- Meristematic tissue has actively dividing cells.
- It is responsible for plant growth in length, girth, and regrowth after cutting.
- Apical meristem is at root and shoot tips and increases length.
3. Permanent tissues in plants
- Permanent tissues are formed from meristematic tissue after differentiation.
- Permanent tissues may be simple or complex.
- Simple permanent tissues contain one type of cell.
4. Conducting tissues and tissue systems in plants
- Xylem and phloem are complex permanent tissues.
- Xylem transports water and minerals from roots to other parts of the plant and also provides strength.
- Xylem consists of tracheids, vessels, xylem parenchyma, and xylem fibres.
Key Concepts
Central concept: Tissues in Action
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Sources & Official References
- NCERT Official — ncert.nic.in
- CBSE Academic — cbseacademic.nic.in
- CBSE Official — cbse.gov.in
- National Education Policy 2020 — education.gov.in
Content is aligned to the official syllabus. Refer to the board website for the latest curriculum.
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