Tracheids do not collapse under extreme tensi | vedclass

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Question

(A) Tracheids are dead cells at maturity that form the primary water-conducting elements in gymnosperms and pteridophytes. They possess a thick,lignif

Vedclass · Accepted Answer

Strong,elastic lignocellulosic secondary cell wall

Vedclass · Answer

(A) Tracheids are dead cells at maturity that form the primary water-conducting elements in gymnosperms and pteridophytes. They possess a thick,lignified secondary cell wall,which provides high mechanical strength and elasticity. This lignocellulosic secondary wall prevents the tracheids from collapsing under the extreme negative pressure (tension) generated during the transpiration pull.

Tracheids do not collapse under extreme tension due to the presence of

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