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प्रश्न
Prevention of substances from leaking across the tissue is provided by ______.
विकल्प
Tight junction
Adhering junction
Gap junction
Elastic junction
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उत्तर
Prevention of substances from leaking across the tissue is provided by Tight junction.
संबंधित प्रश्न
Distinguish between Simple epithelium and compound 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 one place in living organisms where the following tissue is located:
Ciliated epithelium
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:
in the testes and ovaries.
Epithelial cells with cilia are found in ______ of our body.
The ciliated epithelium lines the______.
Which is not a function of epidermis?
Nerve cell does not contain
Write true (T) or false (F)
The lining of blood vessels, lung alveoli and kidney tubules are all made up of epithelial tissue.
Differentiate between sclerenchyma and parenchyma tissues. Draw well labelled diagram.
Describe the structure and function of different types of epithelial tissues. Draw diagram of each type of epithelial tissue.
Give reasons for
Meristematic cells have a prominent nucleus and dense cytoplasm but they lack vacuole.
The ______ epithelium is also known as the pavement membrane.
Glandular epithelium gives a stratified appearance.
Assertion: Materials are exchanged between epithelial and connective tissues by diffusion.
Reason: Blood vessels are absent in epithelial tissue.
Identify the following relationship
Cuboidal: Epithelial
Cardiac: ______
Granulocytes: ______
Osteocytes: ______
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. ______ |
