In higher plants,water is lost from aerial parts mainly through,

The stomata open when guard cells become,

If a well watered potted plants is kept very near to a table fan which is switched on to a high speed,the rate of transpiration will be,

Closure of stomata of normal plants can be induced by,

Guttation occurs through,

In plants,transpiration plays an important role in,

In plants,rate of transpiration is usually maximum in,