Structure and Functions of Plant Stems — NEET Biology
📚 Practice ConceptThe main function of the stem is spreading out branches bearing leaves, flowers and fruits. It conducts water, minerals and photosynthates. Some stems perform the function of storage of food, support, protection and of vegetative propagation.
Which of the following statements about the stem are correct? S1: The stem develops from the plumule of the embryo and characteristically possesses regions called nodes where leaves are borne, separated by internodes. S2: Axillary buds, located in the axil of leaves, have the potential to develop into branches, whereas terminal buds contribute to the primary growth of the main stem axis. S3: Besides bearing leaves, flowers, and fruits, stems are also involved in the conduction of water, minerals, and photosynthates. S4: While stems primarily spread branches and conduct substances, they rarely perform functions like food storage, support, or vegetative propagation. S5: Stems are always aerial, erect, and woody, never modified for underground food storage or protection.
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