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  4. This is a specialized tissue found in the mesophyll of Cycas and Pinus leaves

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Q. This is a specialized tissue found in the mesophyll of Cycas and Pinus leaves

J & K CETJ & K CET 2007

Solution:

In Cycas, in leaflet, transfusion tissue or hydrostereon are present on each side of the midrib in between the palisade and spongy tissue. Transfusion tissue is made up of horizontally arranged tracheids which supply water and minerals to palisade and spongy tissue upto margins. Transfusion tissue facilitates lateral conduction of water because there is no lateral veins. Leaf of Pinus also consists transfusion tissue (needle).