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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


Fill in the blank  

Epithelial tissue is made of cells without any ...................... spaces.


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


Give structure, types and functions in brief  of the following:
Epithelial tissue


Name the tissues found
at the outer layer of skin.


Name the tissues found:
at the inner lining of the trachea.


Name the tissues found:
in the testes and ovaries.


State whether true or false. If false, correct the statement.

Epithelial tissue is protective tissue in animal body.


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


Nerve cell does not contain


The dead element present in the phloem is


If a potted plant is covered with a glass jar, water vapours appear on the wall of glass jar. Explain why?


Write true (T) or false (F)

The lining of blood vessels, lung alveoli and kidney tubules are all made up of epithelial tissue.


Write true (T) or false (F)

Epithelial layer is permeable layer.


In a certain type of cell division, the diploid number of chromosomes is reduced to half. This kind of division occurs in ______.


The ______ epithelium is also known as the pavement membrane.


An epithelial layer does not allow the regulation of materials between the body and the external environment.


Assertion: Materials are exchanged between epithelial and connective tissues by diffusion.
Reason: Blood vessels are absent in epithelial tissue.


Write the salient features of the compound epithelium.


Match List I with List II.

List I List II
A. Mast cells I. Ciliated epithelium
B. Inner surface of bronchiole II. Areolar connective tissue
C. Blood III. Cuboidal epithelium
D. Tubular parts of nephron IV. specialised connective tissue

Choose the correct answer from the options give below:


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