Chapter 6: Tissues Application Questions | science Class 9 CBSE

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Chapter 6: Tissues Application Questions | science Class 9 CBSE | ByteNotes.in

Application Question

Concept in a practical situation

Application

Question 1

Applied Concept

Q1. Define tissue. Why is it important in multicellular organisms?

A group of similar cells performing a specific function.
Leads to division of labor in complex organisms.
Increases efficiency of biological processes.
Helps in body organization and specialization.
Found only in multicellular organisms.

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Application Question

Concept in a practical situation

Application

Question 2

Applied Concept

Q2. Differentiate between meristematic and permanent tissue.

Meristematic: dividing cells; permanent: non-dividing.
Meristematic found in growing regions; permanent everywhere else.
Meristematic cells are small with dense cytoplasm.
Permanent tissues are differentiated for specific roles.
Examples: apical meristem vs parenchyma/sclerenchyma.

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Application Question

Concept in a practical situation

Application

Question 3

Applied Concept

Q3. What are simple permanent tissues? Give types and functions.

Composed of only one type of cell.
Three types: parenchyma, collenchyma, sclerenchyma.
Parenchyma: storage and photosynthesis.
Collenchyma: flexibility and support.
Sclerenchyma: rigidity and strength.

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Application Question

Concept in a practical situation

Application

Question 4

Applied Concept

Q4. Explain the structure and function of xylem.

Complex tissue made of tracheids, vessels, fibres, parenchyma.
Transports water and minerals from roots to leaves.
Most xylem cells are dead except parenchyma.
Tracheids and vessels form tubes for conduction.
Provides mechanical support to plant.

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Application Question

Concept in a practical situation

Application

Question 5

Applied Concept

Q5. What are the components of phloem and their roles?

Sieve tubes: conduct food.
Companion cells: control sieve tube function.
Phloem parenchyma: storage.
Phloem fibres: mechanical support.
All except fibres are living cells.

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Application Question

Concept in a practical situation

Application

Question 6

Applied Concept

Q6. Define connective tissue. Name four types with one function each.

Connects and supports body parts.
Bone – provides structural framework.
Blood – transports substances.
Cartilage – flexible support in joints.
Ligaments – connect bones at joints.

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Chapter sections

Chapter 6: Tissues | Application Questions

Q1. Define tissue. Why is it important in multicellular organisms?

Q2. Differentiate between meristematic and permanent tissue.

Q3. What are simple permanent tissues? Give types and functions.

Q4. Explain the structure and function of xylem.

Q5. What are the components of phloem and their roles?

Q6. Define connective tissue. Name four types with one function each.

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