Question

How do guard cells regulate the opening and closing of stomatal pores ?
[ Note: This question is from Class X Science Exampler. ]

Answer 1

Guard cells are the tiny pores on the surface of leaves (Kidney bean shaped ).with these pores gaseous exchange take place in plants.
1. when water flows into these pores then these stomatal pores swells up and get open.
2. when water loses they shrinks & get close.

Answer 2

Answer:

Stomatal pores in plants regulate the amount of water and solutes within them by opening and closing theirguard cells using osmotic pressure. In order for plants to produce energy and maintain cellular function, their cellsundergo the highly intricate process of photosynthesis. Critical in this process is the stoma.