Q4 of 86 Page 148

Transpiration is best defined as __________.

Transpiration is the loss of water in form of water vapours from the aerial parts of the plant like leaves, stem etc. There are minute openings called stomata on leaves surface and lenticels on surface of old, woody stem through which water is lost.

More from this chapter

All 86 →
2

The tropic movement that helps the climbing vines to find a suitable support is __________.

 3

The chemical reaction occurs during photosynthesis is _____________.

 1

The response of a plant part to the chemical stimulus is called phototropism.

 2

Shoot is positively phototropic and negatively geotropic.