CBSE Class 9  >  Class 9 Notes  >  Science   >  Worksheet: Tissues

Worksheet: Tissues

Multiple Choice Questions (MCQs)

Q 1. Which of the following is a type of connective tissue that transports substances in the body?
(a) Bone
(b) Blood
(c) Cartilage
(d) Tendon

Q 2. What is the main function of ligaments in the body?
(a) Connect muscles to bones
(b) Provide flexibility to bones
(c) Connect bones to other bones
(d) Store minerals like calcium and phosphorus

Q 3. Which of the following tissues is responsible for the transport of water and minerals in plants?

(a) Phloem
(b) Parenchyma
(c) Collenchyma
(d) Xylem

Q4. Which of the following tissues provides protection to organs and forms a barrier in the body?

(a) Muscular tissue
(b) Nervous tissue
(c) Epithelial tissue
(d) Connective tissue

Q5. Which of the following tissues makes the plant hard and stiff, and is found in the husk of a coconut?

(a) Parenchyma
(b) Collenchyma
(c) Sclerenchyma
(d) Phloem

Fill in the blanks

(i)  ________________ tissue is found between the skin and muscles, around blood vessels and nerves and in the bone marrow.

(ii) The signal that passes along the nerve fibre is called a  _______________.

(iii) Xylem and phloem together form a __________ in plants.

(iv) __________ is the most common simple permanent tissue, consisting of unspecialized cells with thin cell walls.

(v) The flexibility in plants is due to permanent tissue named ____________.

Short Answer Questions

Q1. Water hyacinth floats on the water surface. Explain.

Q2. What are the different types of connective tissue?

Q3. Define the process of differentiation.

Q4. How does the cork act as a protective tissue?

Q5. What are complex permanent tissues? Name their types and describe their functions.

Q6. If a potted plant is covered with a glass jar, water vapour appears on the wall of the glass jar. Explain why?

Q7. What is the utility of tissues in multicellular organisms?

Q8. Give three features of cardiac muscles. 

Q9: What is glandular epithelium, and how is it formed?

Q10. Draw a labelled diagram of a Neuron.

Crossword Puzzle

Crossword Puzzle

Across Clues

3. A component of the waxy outer coating of aquatic plant leaves.

9. Tissue is only meant for growth.

11. Conducts dissolved food materials produced by photosynthesis.

12. Most abundant of the cell types found in the major parts of higher plants.

Down Clues

1. Thick, tough secondary walls impregnated with lignin

2. Certain cells are associated with the sieve tube

4. Tubes with pits rather than openings at the ends

5. Provide flexible support for growing and mature plant organs. An extra primary wall in the corners

6. Parenchyma tissue with connected air spaces

7. Outermost layer of cells

8. Pairs of cells that border stomata

10. Chief conducting tissue of water and minerals

You can access the solutions to this worksheet here.

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FAQs on Worksheet: Tissues

1. What are the different types of plant tissues and how do they work differently?
Ans. Plant tissues are classified into meristematic and permanent tissues. Meristematic tissues contain actively dividing cells for growth, while permanent tissues provide structure and function. Permanent tissues include dermal, ground, and vascular tissues-each specialising in protection, storage, or nutrient transport. Understanding these distinctions helps explain how plants grow and survive.
2. How do animal tissues differ from plant tissues in CBSE Class 9?
Ans. Animal tissues lack cell walls and contain specialised structures like centrioles absent in plants. The four main animal tissue types-epithelial, connective, muscular, and nervous-perform distinct functions like protection, support, movement, and signal transmission respectively. Plant tissues focus on growth and transport; animal tissues prioritise coordination and structural support.
3. What exactly is epithelial tissue and where is it found in the human body?
Ans. Epithelial tissue is a protective covering layer composed of tightly packed cells with minimal intercellular space. It lines body surfaces including skin, digestive tract, and respiratory passages. This tissue serves barrier and absorption functions. Different epithelial types-simple cuboidal, columnar, and stratified-vary based on their protective or secretory roles in specific body regions.
4. Why do plant cells have cell walls while animal cells don't?
Ans. Cell walls in plant cells provide rigid structural support, preventing excessive water loss and maintaining shape-essential for stationary organisms. Animal cells lack walls because they're surrounded by flexible membranes, allowing movement and shape changes necessary for locomotion and varied functions. This fundamental difference reflects each organism's survival needs and lifestyle requirements.
5. How can I distinguish between different connective tissues like bone, cartilage, and blood in my exams?
Ans. Bone contains a hard mineral matrix with osteocytes in lacunae, providing rigid support. Cartilage has a flexible matrix with chondrocytes, allowing movement without breaking. Blood is a fluid connective tissue transporting oxygen and nutrients. Memorising these structural differences-matrix composition, cell types, and functions-helps students accurately identify tissues in diagrams and written answers during assessments.
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