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Question

Tracheids of angiosperms are recognised by the presence of

A
Bordered pits
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B
Scalariform thickening
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C
Both of the above
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D
None of the above
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Solution

The correct option is C Both of the above
Secondary walls of tracheids are deposited in different manners, so that the tra­cheids may be annular, spiral, reticulate, scalariform or pitted. Bordered pits are most abundant. The communication with neighboring tracheids and with other cells, living or non-living is possible due to the pits.
Thus, the correct answer is option C.

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