The field of biology is very old foundation and touches us closely in our day to day life. Problems related to health are increasing day by day and biology is the only scope to fight against that. Biology can help in development of drugs against diseases, in development of foodstuff verities, maintenance of environment, controlling pollution and such other activities.
It is necessary to know in detail about all kind of organisms which are beneficial or harmful to us. To fight against harmful diseases like Cancer, Aids, Malaria, Hepatitis, Pneumonia etc, the knowledge of biology is necessary. With the help of biological knowledge, we can develop the medicines that respond to the diseases.