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Name the regions in which parenchyma tissue is present.

Updated On: Jan 19, 2026
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Solution and Explanation

Parenchyma Tissue and Its Regions in Plants

1. What is Parenchyma? 

Parenchyma is a simple, living plant tissue consisting of thin-walled, isodiametric cells with large central vacuoles. It is the most common and versatile tissue in plants, performing functions like photosynthesis, storage, and secretion.

2. Regions Where Parenchyma is Present

Parenchyma is found in almost all parts of a plant. Major regions include:

  • Cortex: Between the epidermis and vascular tissue in stems and roots; stores food and water.
  • Pith: Central part of the stem; mainly for storage of nutrients.
  • Mesophyll of Leaves: Palisade and spongy parenchyma; responsible for photosynthesis.
  • Pericycle: Inner layer of root cortex; involved in secondary growth.
  • Vascular Tissue: As medullary rays between xylem and phloem for lateral transport.
  • Fruit and Seed Tissue: Endosperm and pericarp contain parenchyma for storage of food and water.

3. Summary

Parenchyma is ubiquitous in plants and performs multiple functions such as:

  • Photosynthesis (in leaves)
  • Storage of food and water (in cortex, pith, fruits, seeds)
  • Support and regeneration (healing wounds and regeneration of tissues)
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Top Questions on Plant Tissues

Questions Asked in CBSE Class IX exam

(Street Plan) : A city has two main roads which cross each other at the centre of the city. These two roads are along the North-South direction and East-West direction.

All the other streets of the city run parallel to these roads and are 200 m apart. There are 5 streets in each direction. Using 1cm = 200 m, draw a model of the city on your notebook. Represent the roads/streets by single lines. There are many cross- streets in your model. A particular cross-street is made by two streets, one running in the North - South direction and another in the East - West direction. Each cross street is referred to in the following manner : If the 2nd street running in the North - South direction and 5th in the East - West direction meet at some crossing, then we will call this cross-street (2, 5). Using this convention, find: 

(i) how many cross - streets can be referred to as (4, 3). 

(ii) how many cross - streets can be referred to as (3, 4).

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