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Which of the following is an incorrect difference between sapwood and heartwood?

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Sapwood - Forms the peripheral major portion.Heartwood - Forms the central major portion.

Sapwood - Lighter in colourHeartwood -Darker in colour.

Sapwood - Less durable and susceptible to attack of microorganisms and insects.Heartwood - More durable,and resistant to attack of pathogens.

Sapwood - Physiologically inactive and cannot conduct water.Heartwood - Physiologically active and involved in the conduction of water.

answer is D.

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Detailed Solution

Sapwood is physiologically more active and conducts mineral water. Heartwood is physiologically inactive and does not conduct water due to the formation of tyloses but has commercial value.

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