Microscopic Observation of Stem Tissues

Plant Stem Structure and Functions

• The main purpose of the epidermis in plant stems is to provide a protective layer and regulate water loss.
• Tracheids are responsible for conduction of water in plant stems.
• Collenchyma cells provide mechanical support, flexibility, and tensile strength to plant stems.
• Phloem cells are responsible for transport of food in plant stems.
• The main function of parenchyma cells in plant stems is to store food, water, and other substances.
• The meristematic tissue group in a plant organ helps in the growth of the organism.

Explore the study of stem tissues under the microscope and compare the observations with a provided figure. Answer questions related to the types of cells, their structure, and reasons for the diversity of cell types in sunflower stems.