Tissues in Action-Assignments - What Have You Learned? Science Exploration Class 9 In English-CBSE Notes
Explore NCERT Solutions for Class 9 science exploration Chapter Tissues in Action Topic Assignments - What Have You Learned? with simple explanations and free ncert solution in English.
Class 9 Science Exploration Exploration Chapter 3 Tissues in Action Tendon vs Ligament
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All Topics Chapter Tissues in Action
- 1. Chapter Review and Key Points
- 2. Meristematic Tissue
- 3. Simple Permanent Tissue
- 4. Complex Permanent Tissue
- 5. Tendon vs Ligament
- 6. Assignments - What Have You Learned?
Notes
Tissues in Action-Assignments - What Have You Learned? Science Exploration Class 9 In English-CBSE Notes
Tissues in Action
Assignments - What Have You Learned?
Chapter 3. Tissues in Action
This assignment is based on the complete chapter and follows the latest CBSE competency-based pattern. It is designed to improve conceptual understanding, analytical ability and exam preparation.
Chapter Assignment
1. One Word Answer
- A group of similar cells performing the same function.
- Plant tissue responsible for growth.
- Meristem present at the tip of roots and shoots.
- Tissue that transports water and minerals.
- Tissue that transports prepared food.
- The living simple permanent tissue that stores food.
- The dead tissue that provides mechanical strength.
- The connective tissue that joins muscles to bones.
- The connective tissue that joins one bone to another.
- The structural and functional unit of the nervous system.
2. Fill in the Blanks
- A tissue is a group of __________ cells.
- Meristematic tissue is responsible for __________.
- Parenchyma mainly stores __________.
- Collenchyma provides __________ to plants.
- Sclerenchyma cells are __________ at maturity.
- Xylem transports __________ and minerals.
- Phloem transports prepared __________.
- Blood is a __________ tissue.
- Cardiac muscles are found only in the __________.
- Nerve impulses are transmitted by __________.
3. True or False
- Meristematic cells divide continuously.
- Parenchyma is a dead tissue.
- Phloem transports water.
- Sclerenchyma provides mechanical strength.
- Epithelial tissue covers body surfaces.
- Blood is a connective tissue.
- Skeletal muscles work involuntarily.
- Cardiac muscles are branched.
- Neurons transmit nerve impulses.
- Ligaments connect bone to bone.
4. Match the Following
| Column A | Column B |
|---|---|
| Parenchyma | Storage |
| Collenchyma | Flexibility |
| Sclerenchyma | Mechanical Strength |
| Xylem | Water Transport |
| Phloem | Food Transport |
| Blood | Fluid Connective Tissue |
| Tendon | Muscle to Bone |
| Ligament | Bone to Bone |
| Cardiac Muscle | Heart |
| Neuron | Nerve Impulse |
5. Very Short Answer Questions
- Define tissue.
- Why do multicellular organisms need tissues?
- Name the two main types of plant tissues.
- What is differentiation?
- State one function of parenchyma.
- Why is collenchyma called a supporting tissue?
- What is the main function of xylem?
- Name the four main types of animal tissues.
- What is the function of epithelial tissue?
- What is a neuron?
6. Short Answer Questions
- Explain the importance of division of labour in multicellular organisms.
- Differentiate between meristematic tissue and permanent tissue.
- Describe the structure and functions of parenchyma.
- Write the characteristics of collenchyma.
- Explain the functions of sclerenchyma.
- Differentiate between xylem and phloem.
- Explain the functions of epithelial tissue.
- Describe the different types of connective tissues.
- Differentiate between tendon and ligament.
- Compare skeletal, smooth and cardiac muscles.
7. Long Answer Questions
- Describe the classification of plant tissues with suitable examples.
- Explain the structure and functions of simple permanent tissues.
- Describe the structure and functions of xylem and phloem.
- Explain the different types of animal tissues and their importance.
- Describe the structure and functions of connective tissue.
- Explain the different types of muscular tissues with suitable examples.
- Describe the structure and functions of nervous tissue.
- Differentiate between plant tissues and animal tissues.
- Explain how different tissues work together in multicellular organisms.
- Discuss the importance of tissues in plants and animals.
8. Case Study Questions
Case Study 1
A gardener cuts the tip of a plant. After a few days, new branches begin to grow from the sides of the stem.
- Which tissue is responsible for the growth of the plant?
- Which type of meristem is present at the tip of the shoot?
- Why does growth continue after cutting the tip?
- What is the importance of meristematic tissue?
Case Study 2
A farmer notices that a coconut shell is extremely hard, while the pulp inside is soft and stores food.
- Which tissue makes the coconut shell hard?
- Which tissue stores food inside the coconut?
- State one function of sclerenchyma.
- Why is parenchyma called a living tissue?
Case Study 3
A doctor explains that oxygen, nutrients and hormones are transported throughout the body by a fluid tissue.
- Name the tissue.
- To which category of animal tissue does it belong?
- State two functions of this tissue.
- Why is it called a connective tissue?
Case Study 4
A football player injures the tissue connecting his muscles to the bones during a match.
- Which connective tissue is injured?
- What is its function?
- How is it different from a ligament?
- Why is this tissue important for movement?
Case Study 5
A person quickly removes his hand after touching a hot utensil.
- Which tissue carries the nerve impulse?
- What is the structural and functional unit of this tissue?
- Which tissue helps in the movement of the hand?
- Why is coordination important in such situations?
9. Competency-Based Questions
- Why do plants require both meristematic and permanent tissues?
- How does the structure of parenchyma help in its function?
- Why is sclerenchyma absent in young growing plant parts?
- How do xylem and phloem work together in maintaining plant life?
- Why is epithelial tissue considered a protective tissue?
- How does blood act as a connective tissue?
- Why are cardiac muscles different from skeletal muscles?
- How do neurons help maintain body coordination?
- Why is the division of labour important in multicellular organisms?
- How does the structure of tissues determine their functions?
10. HOTS Questions
- What would happen if plants had no meristematic tissue?
- Why do aquatic plants contain aerenchyma while desert plants generally do not?
- How would a plant be affected if xylem stopped functioning?
- Why are bones hard but cartilage flexible, even though both are connective tissues?
- What problems would arise if ligaments were replaced by tendons?
- Why are smooth muscles unsuitable for voluntary movement?
- How would the human body be affected if nervous tissue stopped transmitting impulses?
- Explain why tissue specialisation is essential for large multicellular organisms.
- How do different tissues work together to produce coordinated movement?
- Do you think the structure of a tissue always determines its function? Justify your answer with suitable examples.
All Topics Chapter Tissues in Action
Tissues in Action-Assignments - What Have You Learned? Science Exploration Class 9 In English-CBSE Notes
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CBSE Notes for Class 9 science exploration Chapter Tissues in Action – Assignments - What Have You Learned?
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