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प्रश्न
Distinguish between Simple epithelium and compound epithelium
उत्तर
| Simple epithelium | Compound epithelium | |
| 1 | It is composed of only one layer of cells. | It is composed of many layers of cells. |
| 2 | It is mainly involved in the function of absorption and secretion | It is mainly involved in the function of protection and has a limited role in absorption and secretion. |
| 3 | It is present in the lining of the stomach, intestine. | It is present in the lining of the pharynx and buccal cavity. |
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संबंधित प्रश्न
What is the following and where do you find them in animal body?
Ciliated epithelium
Based on the following information, identify the three types of epithelial tissue in the figures given below :
| a |  |
b |  |
c |  |
(1) Cuboidal epithelium: It consists of a single layer of cuboidal cells.
(2) Columnar epithelium: It is composed of tall, cylindrical cells with oval nuclei usually placed at the base of the cells.
(3) Ciliated epithelium: It consists of cells being hair-like cilia on their free surface.
Name the kind of cells found in the following place:
Inner lining of the wind pipe
How many types of epithelial tissues have you studied? Write their functions.
Answer the following question.
Describe different types of cell junctions.
The ciliated epithelium lines the______.
Prevention of substances from leaking across the tissue is provided by ______.
Nerve cell does not contain
The dead element present in the phloem is
Write true (T) or false (F)
Epithelial cells have a lot of intercellular spaces.
Give reasons for
Intercellular spaces are absent in sclerenchymatous tissues.
In a certain type of cell division, the diploid number of chromosomes is reduced to half. This kind of division occurs in ______.
Sieve cells have no companion cells.
Assertion: Materials are exchanged between epithelial and connective tissues by diffusion.
Reason: Blood vessels are absent in epithelial tissue.
Write one point of difference between
Simple and compound epithelial tissue.
Explain simple epithelium and its types.
Stratified epithelial cells have limited role in secretion. Justify their role in our skin.
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. ______ |
Classify and describe epithelial tissue on the basis of structural modifications of cells.
