Biology, asked by fbibi2004, 11 months ago

Name the tissue where the element sieve tube is one of the component-a)phloem,b)xylem,c)colenchyma,d)parenchyma.​

Answers

Answered by minajjariya47
2

Answer:

collenchyma tissue the element tube is one of the compose

Answered by Anonymous
5

Answer:

Plant tissues can be broadly classified based on the ability of the cells to divide into Merismatic tissue and Permanent tissue.

What is Dermal Tissue System?

Merismatic tissues consist of a group of cells that have the ability to divide. These tissues are small, cuboidal, densely packed cells which keep dividing to form new cells. These tissues are capable of stretching, enlarging and differentiating into other types of tissues as they mature. Meristematic tissues give rise to permanent tissues. Merismatic tissues can be of three types depending on the region where they are present: Apical meristems, lateral meristems, and intercalary meristems.

Permanent tissues are derived from the merismatic tissues and have lost their ability to divide. They have attained their mature form. They are further classified into two types: Simple and complex permanent tissues.

Permanent Tissues

The permanent tissues form the major portion of the plant.

Simple Permanent tissues

Parenchyma– These tissues are found in the soft parts of a plant such as the roots, stems, leaves, and flowers. The cells of this tissue are loosely packed and contain large intercellular spaces between them. Each cell has a vacuole at the center. The functions of parenchyma tissues are storage, photosynthesis, and to help the plant float on water.

Collenchyma- Are similar to parenchyma cells with thicker cell walls. They are meant to provide mechanical support to the plant structure in parts such as petiole of the leaf.

Sclerenchyma- The cells of this tissue are dead. They are rigid, contain thick and lignified secondary walls. Their main function is to provide strength and support to parts of the plant.

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