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प्रश्न
Which is not a function of epidermis?
पर्याय
Protection from adverse condition
Gaseous exchange
Conduction of water
Transpiration
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उत्तर
Conduction of water
Explanation -
The epidermis is the outermost layer of cells covering a plant. Its function is principal to protect the plant from injury or adverse conditions and to reduce water loss. It also helps in gaseous exchange and transpiration as it possesses stomata. Conduction of water occurs by xylem which is a complex permanent tissue.
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संबंधित प्रश्न
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.
Fill in the blank
Epithelial tissue is made of cells without any ...................... spaces.
How many types of epithelial tissues have you studied? Write their functions.
The main function of the cuboidal epithelium is
Fats are stored in human body as
Give reasons for
Intercellular spaces are absent in sclerenchymatous tissues.
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.
Which one of the following types of cell is involved in making of the inner walls of blood vessels?
How does a gap junction facilitate intercellular communication?
