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11th Standard English Medium Biology (Zoology) Subject Tissue Level of Organisation Creative 3 Mark Questions with Solution Part - II updated Creative Questions

Published on: 13/05/2022

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Std: 11th Standard - Biology

chapter: - Creative Questions

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Questions:

Generic 3

5 x 3 = 15

What is the main function of compound epithelium and what are its types?

List the unique features of cardiac muscles.

A player has sustained a severe injury during football practice and was told that he has a torn knee cartilage. Can he expect a quick uneventful recovery? Explain your response.

What is meant by 'living fabrics'?

Differentiate Tendons and Ligaments

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Answers Key:

Generic 3

5 x 3 = 15

(i) Compound epithelium is made of more than one layer (multi-layered) of cells and thus has a limited role in secretion and absorption.
(ii) Their main function is to provide protection against chemical and mechanical stresses. There are four types of compound epithelium namely, stratified squamous epithelium, cuboidal epithelium, columnar epithelium and transitional epithelium.

1. These fibres never get fatigue.
2. Blood capillaries penetrate the cardiac muscle fibres, hence they have very rich blood supply.
3. These muscle fibres are supplied with both central and autonomic nervous system.
4. These muscle are not under the will of the animal.

1. The recovery would depend on severity and location of injury.
2. Minor and moderate tears can be treated by non-surgical methods.
3. Recovery period may be from 6-8 weeks.
4. In severe cases, surgery may be repaired.
5. Healing period may extend upto 3 months in this case

Tissues are organized in specific proportions and patterns to form organs like lungs, heart, stomach, kidneys, ovaries, testes etc. Hence the tissues are called the 'living fabrics'.

Tendons	Ligaments
1. The Tendons are dense regular connective tissues which attach muscles to bones.	The ligaments are dense regular connective tissues which attach the bone at the joints.
2. It is formed of white fibrous connective tissue.	It is formed of yellow elastic connective tissue.