Question

4. Name the different types of plant tissues.
5. Where are stomata present in a plant cell?
6. What is the function of stomata?
7. Name the tissue which takes part in the
movement of water and minerals in the body.​

Answer 1

Answer:

4. epidermis, the ground tissue, and the vascular tissue.

5. Stomata are cell structures in the epidermis of tree leaves and needles that are involved in the exchange of carbon dioxide and water between plants and the atmosphere.

6. Stomata have two main functions, namely they allow for gas exchange acting as an entryway for carbon dioxide (CO2) and releasing the Oxygen (O2) that we breath. The other main function is regulating water movement through transpiration.

7. Tracheids and vessel elements: Tracheids (top) and vessel elements (bottom) are the water conducting cells of xylem tissue. Phloem tissue is responsible for translocation, which is the transport of soluble organic substances, for example, sugar.

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Answer 2

Answer:

In biology, tissue is a cellular organizational level between cells and a complete organ. A tissue is an ensemble of similar cells and their extracellular matrix from the same origin that together carry out a specific function. Organs are then formed by the functional grouping together of multiple tissues.

The English word "tissue" derives from the French word "tissu", meaning that something that is "woven", from the verb tisser, "to weave".

The study of human and animal tissues is known as histology or, in connection with disease, as histopathology. For plants, the discipline is called plant anatomy. The classical tools for studying tissues are the paraffin block in which tissue is embedded and then sectioned, the histological stain, and the optical microscope. Developments in electron microscopy, immunofluorescence, and the use of frozen tissue-sections have enhanced the detail that can be observed in tissues. With these tools, the classical appearances of tissues can be examined in health and disease, enabling considerable refinement of medical diagnosis and prognosis.

2 ans-Stomata are cell structures in the epidermis of tree leaves and needles that are involved in the exchange of carbon dioxide and water between plants and the atmosphere.

3 ans-Stomata have two main functions, namely they allow for gas exchange acting as an entryway for carbon dioxide (CO2) and releasing the Oxygen (O2) that we breath. The other main function is regulating water movement through transpiration.

4 ans-vascular tissues helps in the movement of water and minerals .they contain xylem for water transport and phloem for food transport.

more than one type of specialist cells are found in these tissues.someof them are

sieve cells

epidermal cells

paranchymatous cells

sclerenchymatous cells.........

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