Biology
Transpiration is significant for all except:
- Cooling effect
- Suction pull
- Ascent of sap
- Translocation of food
Related Questions
Which of the following is an external factor affecting the rate of transpiration ?
- Number of stomata
- Exposed surface
- Humidity
- Sunken stomata
The upper layer of mesophyll in a leaf consists of elongated ground tissue called:
- Spongy parenchyma.
- Palisade cells
- Xylem cells
- Phloem cells
Hydathodes are located on:
- At the petiole
- Upper surface of leaves
- Lower surface of leaves
- Margins of leaves
When guard cells are flaccid, the stoma must be:
- Open
- Neither open nor closed
- Closed
- None of these