The importance is that,, the world with its rich in bio, eg, plant nutrition, life, reproduction, importance to man, medicinal purposes, ecological balance, etc botany gives the study of all-these which are a primary needs and compulsory neede of it. Without of which a single human cannot survive.
Knowing about plants helps in its application in various fields to increase the food production.
Botany is a significant but a little tough subject. Though there are some things in it which are hard to learn but still it is nice. Firstly, it tells you about the main food crops, their uses, there effects as well as their requirements. Secondly, it tells you the most common, nutritious and delicious plants. Last but not the least, it warns you from different poisonous and harmful plants.