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Assertion : Tyloses plug the tracheids ...

Assertion : Tyloses plug the tracheids and vessels.
Reason : Tyloses are in growth of xylem cells.

A

If both the assertion and the reason are true and the reason is a correct explanation of the assertion

B

If both the assertion and reason are true but the reason is not a correct explanation of the assertion

C

If the assertion is true but the reason is false

D

If both the assertion and reason are false

Text Solution

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The correct Answer is:
C

The tracheids and vessels of the hard wood get pluged by growth of the adjacent parenchyma cells into there cavities through the pits. These in growths are called tyloses. Ultimately, the parenchyma cells become lignified and dead.
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