Class 9 Science — Chapter 6: TISSUES
Chapter 6: TISSUES is a chapter in Class 9 Science (NCERT), part of the CBSE NCERT curriculum followed by over 25 million students across India. This chapter covers 8 topics including Concept of Tissues and Division of Labour, Comparison of Plant and Animal Tissues, Meristematic Tissues in Plants. BrainWeave provides free AI-powered explanations — by voice or text, in Hindi or English — with no signup required.
What you'll learn
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▸Concept of Tissues and Division of LabourCore concepttissuedivision of labourmulticellularspecialized cells
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▸Comparison of Plant and Animal Tissuesplant tissuesanimal tissuessedentarylocomotionsupportive tissue
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▸Meristematic Tissues in PlantsCore conceptmeristematic tissueapical meristemlateral meristemintercalary meristemplant growth
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▸Permanent Tissues and DifferentiationCore conceptpermanent tissuedifferentiationcell maturationspecific function
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▸Parenchyma TissueCore conceptparenchymaintercellular spacesfood storagechlorenchymaaerenchyma
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▸Collenchyma TissueCore conceptcollenchymaflexibilitymechanical supportthickened cornersliving tissue
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▸Sclerenchyma TissueCore conceptsclerenchymaligninstrengthdead cellshusk of coconut
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▸Epidermis and StomataCore conceptepidermiscuticlestomataguard cellsprotection
Chapter Summary
Understand the definition of a tissue as a group of specialized cells working together, and the importance of this division of labour for efficiency in multicellular organisms.
Recognize the key structural and functional differences between plant and animal tissues, relating them to their distinct modes of life, such as mobility, growth patterns, and energy consumption.
Identify the types of meristematic tissues (apical, lateral, intercalary) based on their location in the plant and understand their primary function in plant growth, both in length and girth.
Understand the process of differentiation, where meristematic cells lose the ability to divide and take up a permanent shape, size, and function to form permanent tissues.
Describe the structure (thin walls, living cells, intercellular spaces) and primary functions (food storage) of parenchyma, including its specialized forms like chlorenchyma and aerenchyma.
Identify collenchyma as a living tissue that provides flexibility and mechanical support to plant parts, characterized by its irregularly thickened corners.
Understand the structure (dead cells, thick lignified walls) and function (providing strength and hardness) of sclerenchymatous tissue, citing examples like the husk of a coconut.
Describe the epidermis as the protective outer layer of a plant and explain the structure and function of stomata and guard cells in regulating gas exchange and preventing water loss.
Practice Questions from this Chapter
Tap "Get Solution" on any question to ask our AI tutor.
- Explain tissue differentiation simply. Get Solution →
- Show me a diagram of plant tissues. Get Solution →
- Give examples of animal tissues. Get Solution →
- What is a group of cells that are similar in structure and/or work together to achieve a particular function called? Get Solution →
- Which meristem is present at the growing tips of stems and roots? Get Solution →
- Which simple permanent tissue generally stores food? Get Solution →
- The husk of a coconut is made of which type of tissue? Get Solution →
- What are the small pores found in the epidermis of a leaf called? Get Solution →
Did you know?
- 💡 Our skin completely replaces itself with new tissue every 27 days.
- 💡 A chameleon changes color using special pigment cells in its skin tissue.
- 💡 Trees have dead woody tissue that helps them stand tall for centuries.
- 💡 Scientists can now grow tiny human organ tissues in a lab.
- 💡 The longest single cell in the human body is a nerve cell.
Frequently Asked Questions
How many topics are covered in this chapter?
This chapter covers 8 key topics: Concept of Tissues and Division of Labour, Comparison of Plant and Animal Tissues, Meristematic Tissues in Plants, Permanent Tissues and Differentiation, Parenchyma Tissue, and more. The BrainWeave AI tutor explains each one with examples.
Is Chapter 6: TISSUES important for board exams?
Class 9 is a foundation year. Mastering this chapter now will help you build strong fundamentals for the higher classes.
Can I get NCERT solutions for this chapter in Hindi?
Yes. BrainWeave's AI tutor supports Hindi, English, and Hinglish for both voice and text chat. Just ask your question in your preferred language.
Is BrainWeave free for Class 9?
Yes. BrainWeave's free Spark plan gives generous daily messages — enough for regular homework. Premium features unlock when you bring your own free Google Gemini API key.
Can I use voice chat for this chapter?
Absolutely. Tap the mic, ask any question about Chapter 6: TISSUES, and the AI tutor will explain it back in voice and text.
How is BrainWeave better than static NCERT solutions sites?
Static solution sites give the same answer to everyone. BrainWeave adapts to your question — ask "explain like I'm 12" or "give a real-world example" and get a personalized response. Voice mode and Hindi support work seamlessly.
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