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Question:
Why Softwood is called non porous Wood and Hard wood is called porous Wood .How the presence of tracheids and Vessels determines there Porous and non porousness
Answer:

Non porous describe materials that do not permit the transfer of eater or air. Non porous woods do not have many vessels within wood fibre.cells are typically smaller, the grain of wood is wide and open. They are soft woods for eg. Pine , cedar.

Porous woods has trachieds and vessels , generally known as hard wood. Xylem fibres are many eg. Teak wood. Water transportation is here because of trachieds and vessels.

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