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Timber from heart wood is:...

Timber from heart wood is:

A

more fragile and resistant to the attack of insects

B

more durable and more resistant to the attack of micro organism and insects

C

more hard and less resistant to the attack of micro organism

D

less durable and more resistant to the attack of micro organism and insects

Text Solution

Verified by Experts

The correct Answer is:
B
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Give the proper botanical term for heart wood and sap wood ?

Heart wood differs from sapwood in

Assertion (A) : Heart wood is the dead part of wood . Reason (R ) : It resists microorganisims

Describe the formation of sap wood and heart wood with suitable diagram.

Assertion (A) : Sap wood is vital to the plant but heart wood is not . Reason (R ) : When the heart wood of the tree is destroyed, no vital function of the plant is affected , when the sap wood is destroyed the plant will die, conduction of water is blocked.

Why the heart wood is unable to conduct water ?

Blood vessel which carries impure blood from heart to the lungs

What do heart wood and sap wood stand for ?

Bring out the differences between sap wood and heart wood