Question:medium

Complete the following chart:
table of Permanent tissue

Updated On: Jan 19, 2026
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Solution and Explanation

Permanent Tissues in Plants 

Type of Permanent TissueStructureFunctionExample
ParenchymaThin-walled, loosely packed cells with large intercellular spacesStorage, photosynthesis, support, and wound healingMesophyll of leaves, cortex of stems
CollenchymaCells with thickened cell walls at the corners, usually livingProvides flexible support to growing parts of the plantPetiole of leaves, young stems
SclerenchymaThick-walled, lignified cells, usually dead at maturityProvides mechanical support and strengthFibres of jute, sclereids in seed coats
XylemComposed of tracheids, vessels, xylem parenchyma, and xylem fibresTransport of water and minerals from roots to other partsWood, vascular bundles
PhloemComposed of sieve tubes, companion cells, phloem parenchyma, and fibresTransport of food (sugars) from leaves to other partsVascular bundles in stems and roots

The table of Permanent tissue:
The table of Permanent tissue

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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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