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Stratified epithelial cells have limited role in secretion. Justify their role in our skin.

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प्रश्न

Stratified epithelial cells have limited role in secretion. Justify their role in our skin.

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उत्तर

The stratified epithelium is made of more than one layer of cells and thus has a limited role in secretion and absorption. Their main function is to provide protection against chemical and mechanical stresses. They cover the dry surface of the skin.

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अध्याय 7: Structural Organisation in Animals - Exercises [पृष्ठ ३६]

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एनसीईआरटी एक्झांप्लर Biology Exemplar [English] Class 11
अध्याय 7 Structural Organisation in Animals
Exercises | Q 5. | पृष्ठ ३६

वीडियो ट्यूटोरियलVIEW ALL [3]

संबंधित प्रश्न

Describe various types of epithelial tissues with the help of labelled diagrams


Write the name of the following tissue. 

Tissue lining the inner surface of the mouth.


Name any one body part where ciliated epithelium is found in humans. What is its function?


How many types of epithelial tissues have you studied? Write their functions.


Name the tissues found
at the outer layer of skin.


Epithelial cells with cilia are found in ______ of our body.


Lining of small intestine is made up of ______.


Name any four important functions of epithelial tissue and provide at least one example of a tissue that exemplifies each function.


What is an epithelium? Enumerate the characteristic features of different epithelia.


A long tree has several branches. The tissue that helps in the side ways conduction of water in the branches is


Write true (T) or false (F)

Epithelial cells have a lot of intercellular spaces.


Write true (T) or false (F)

Epithelial layer does not allow regulation of materials between body and external environment.


Give reasons for

Meristematic cells have a prominent nucleus and dense cytoplasm but they lack vacuole.


Mention the type of epithelium seen in the alveoli of lungs.


Write the salient features of the compound epithelium.


Identify the following relationship
Cuboidal: Epithelial
Cardiac: ______
Granulocytes: ______
Osteocytes: ______


Identify the types of cell junctions that help to stop the leakage of the substances across tissue and facilitation of communication with neighbouring cells via rapid transfer of ions and molecules.


Write the appropriate type of tissues in column B according to the functions mentioned in column A.

Column A Column B
a. Secretion and absorption i. ______
b. Protective covering ii. ______
c. Linking and supporting framework iii. ______

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