Answer:
Explanation:Knowledge of biology helps one understand the concepts of health and disease better. A student gets an idea of what the body is made of, its physiology, etc. This helps to understand the disease state and also chances for improvement. It also helps one understand the useful substances from plants and animals which are used for medicine.
CYOKININS is the correct option. Cytokinins is one of the types of plant hormones and it is usually produced in the root apical meristem, that is, at the very tip of the root. The hormone delays aging in plants and it also involve in repair of wounded plant parts.
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