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Question

Outer lighter coloured$$/$$alburnum region of wood is


A
Autumn wood
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B
Spring wood
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C
Heart wood
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D
Sapwood
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Solution

The correct option is C Sapwood

A.Autumn wood – small amount of Secondary xylem or wood formed during autumn season is called autumn wood or late wood.

B.Spring wood – large amount of secondary xylem or wood formed during spring season is called spring wood or late wood.

C.Heart wood – the inner or central dark coloured non functional secondary xylem or wood is called Heart wood or duramen.

D.Sap wood – the outer light coloured, functional secondary xylem or wood is called sap wood or alburnum.

So, the correct option is ‘Sap wood’.

Biology

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