Join 60,000+ competitive exam aspirants
or with email
Your Cart
SubtotalтВ╣0
TotalтВ╣0
Examoogle тАв User тАв info@examoogle.com тАв EE-2024-8821
Chapter 1 of 12 тАв Page 1 of 248ЁЯФТ Protected PDF тАв Watermarked
Join 60,000+ competitive exam aspirants
__________ are found in the epidermis of a leaf.
Vascular bundle
Aerenchyma
Stomata
Chlorenchyma
Stomata
Stomata are specialized microscopic pores found primarily in the epidermis of a plant leaf. These structures consist of two guard cells that regulate the opening and closing of the pore, facilitating gaseous exchange and transpiration.
Stomata are specialized microscopic pores found primarily in the epidermis of a plant leaf. These structures consist of two guard cells that regulate the opening and closing of the pore, facilitating gaseous exchange and transpiration.
Stomata are like tiny, automated doors in a building's wall that open when the interior needs fresh air (COтВВ for photosynthesis) and close during a heatwave to prevent air conditioning loss (water evaporation).
STOMA = STO (Stop water loss) + MA (Maintain air exchange).
6CO2тАЛ+6H2тАЛOLightтАЛC6тАЛH12тАЛO6тАЛ+6O2тАЛ тАФ Photosynthesis reaction requiring COтВВ entry through stomata
Stomata function through the osmotic movement of water into and out of guard cells. When guard cells take in water and become turgid, they curve outward, opening the stoma. Conversely, when they lose water and become flaccid, the pore closes to prevent excessive water loss.
Stomata are mainly located on the lower epidermis of dicot leaves.
Guard cells are the only epidermal cells containing chloroplasts.
The process of water vapor release through stomata is called transpiration.
Enables photosynthesis by allowing CO2тАЛ entry.
Allows O2тАЛ release as a byproduct.
Essential for cooling the plant via transpiration.
Primary site of water loss, which can lead to wilting in dry conditions.
Regulation of plant hydration.
Control of photosynthetic efficiency.
Vascular bundles transport water and nutrients (Xylem/Phloem).
Aerenchyma is a spongy tissue with large air spaces in aquatic plants.
Chlorenchyma is parenchyma tissue containing chloroplasts for photosynthesis.
C is correct тАФ Stomata are the specialized microscopic pores found in the epidermis of a leaf.
Remember that stomata are specialized epidermal cells; do not confuse them with vascular tissues (xylem/phloem) or photosynthetic parenchyma (chlorenchyma).
Get instant step-by-step AI explanations, full shift Previous Year Papers (SSC GD, RRB, SSC JE), and regional rank analysis on the official Examoogle App.
Free Download тАв 100K+ Aspirants