HORTICULTURE

Detailed explanation-1: -A pair of guard cells surrounds each stoma, and these cells control the opening and closing of the stomatal pore between them. Guard cells regulate this opening and closing in response to a wide variety of environmental signals, such as day/night rhythms, CO2 availability, and temperature.

Detailed explanation-2: -23.2. Guard cells are another type of plant single-cell models to study early signal transduction and stress tolerance mechanisms in plants. Guard cells are surrounded by stomatal pores and are located in leaf epidermis. Guard cells control influx and efflux of CO2 and water from leaves, respectively.

Detailed explanation-3: -The cells which surround a stomatal pore are Guard cells. Guard cells are a pair of cells that surround each stomata opening and regulate the rate of transpiration by opening and closing the stomata.

Detailed explanation-4: -Guard cells are kidney shaped cells that surrounds the stomata. They control the opening and closing of the stomata. When the plant has an excess of water, the guard cells swell and create an opening for the exchange of gases.