Most interesting topic of biology : Biotechnology.

BIOTECHNOLOGY : 1. Biotechnology is the new advancing field of science. 2. Rare and endangered species are protected with the help of biotechnology. 3. Local species show many favourable characteristics such as resistance to disease, survival in adverse conditions and shorter life cycles. 4. These local species are crossed with new ones to get the advantages of such characteristics. 5. For this, strains of local species have to be preserved carefully. For this purpose seed banks have been established. Gene banks have also been started to preserve the advantageous genes of local varieties. In this way biotechnology is used for preserving biodiverty.