First slide

Secondary Growth

Question

Lens shaped opening in cork region

Easy

A

perform major function of transpiration.
B

permit gaseous exchange.
C

contains thick lignified living cells.
D

occurs mostly in herbaceous plants.

Solution

At certain regions, the phellogen cuts off closely arranged parenchymatous cells on the outer side instead of cork cells. These parenchymatous cells soon rupture the epidermis, forming a lens-shaped openings called lenticels. Lenticels permit the exchange of gases between the outer atmosphere and the internal tissue of the stem.

Get Instant Solutions

When in doubt download our app. Now available Google Play Store- Doubts App

Recieve an sms with download link

Doubts App

OR

SCAN ME

Doubts App

Doubts App