Mitochondria Class 9
What is Guard Cells ? Definition,Location, Structure Function and Diagram of Guard Cells

Guard Cells – Definition, Location, Structure, Function and Diagram of Guard Cells

Guard cells are specialised plant cells responsible for regulating the opening and closing of stomata, small pores on plant surfaces. They have a characteristic structure in the shape of a kidney or dumbbell and are located in the epidermis of leaves, stems and other plant organs. Their functions include the control of gas exchange, water balance and transpiration. The diagram of guard cells illustrates their unique shape and location.

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Describe the Structure and Functioning of Nephrons

Nephron is a long coiled tubule whose one end is connected to the double walled cup-shaped structure called Bowman’s capsule and the other end to a urine collecting duct.
Structure and Functioning of Nephron Described with diagram

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