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Which of the following is a simple tissue?
Question



Which of the following is a simple tissue?

A.

Xylem

B.

Phloem

C.

Sclerenchyma

D.

None of these

Correct option is C


The correct answer is Sclerenchyma.
Permanent tissue:
· The meristematic cells gradually differentiate and lose the ability to divide. Such cells are termed as mature or permanent cells.
· The permanent tissues are actually composed of cells in which the growth has stopped.
· Permanent tissues can be divided into two types.
· Simple tissue – parenchyma, collenchyma and sclerenchyma
· Complex tissue – xylem and phloem
· Simple tissue:
· The permanent tissue having all cells similar in structure and function are called simple tissues.
Parenchyma:
· It is a living, simple permanent tissue composed of thin-walled cells.
· Parenchyma is also called primary tissue or ground tissue.
· It is present in cortex, pith, palisade, mesophyll, and some other parts of the flower.
· It is mostly produced by the ground tissue. The parenchyma forms the major part of the plant organs.
Collenchyma:
· Collenchyma is a simple, living mechanical tissue.
· Its cells are composed of more or less elongated cells with thick, primary non-lignified walls.
· Intercellular spaces are found to be absent.
Sclerenchyma:
· The sclerenchyma consists of long, narrow cells with thick and lignified cell walls having a few or numerous pits.
· These are dead cells and do not perform any metabolic function.
· It provides mechanical strength and support.
Information Booster
· A tissue is a group of cells having common origin and usually performing a common function.
· They form a cellular organizational level, intermediate between the cells and organ systems.
· Organs are then created by combining the functional groups of tissues.
· The plant body is made up of different kinds of tissues.
· The plant tissues can be divided into two main types:
· Meristematic tissue
· Permanent tissue
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