First slide
The Tissues
Question

Select the correct matching: 

 Column I Column II 
ATracheids i Elongated and tube like cells with thick and lignified wall and tapering ends. 
BVessels ii Tube like structure made up of many cells, each cell with lignified wall and large central cavity. 
CXylem fibre iii Highly thickened walls and obliterated central lumen. 
DXylem parenchyma iv Living cell with thin cell wall made up of cellulose. 
 ABCD
1iiiiiiiv
2iiiiiiiv
3iiiiiiiv
4iiiiiiiv

Easy
Solution

Tracheids are elongated or tube like cells with thick and lignified walls and tapering ends.

Vessel is a long cylindrical tube-like structure made up of many cells called vessel members, each with lignified walls and a large central cavity.

Xylem fibres have highly thickened walls and obliterated central lumens.

Xylem parenchyma cells are living and thin-walled, and their cell walls are made up of cellulose.

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