Hydro-energy Hydro-energy is the cheapest, and cleaner and hence the best source of energy. Water power is developed by allowing water to fall under ...

Solar energy is the most readily available abundant source. It is free as it does not belong to anybody. It is also non-polluting. Solar energy has the ...

The term ‘Energy’ is derived from the greek ‘energon’ meaning work. It is utilized by every one in the world. We use energy in our day-to-day life, in our ...

Chernobyl Disaster. The worst nuclear accident in history occurred on April 26, 1986 at the 1000 megawatt Reactor IV at the multiunit Chernobyl Power ...

Fertilization in humans occurs in fallopian tube of the female reproductive system. It is the process of fusion of a haploid sperm and a haploid ovum to form ...

Biochemical Effects of Arsenic:  The insecticides, fungicides and herbiacides contain arsenic. Among the compounds of arsenic, those of As (III) are most ...

The main steps in breeding a new genetic variety of a crop are: Collection of variability:  Collection and preservation of all the different wild ...

S.F. Griffith demonstrated bacterial transformation experimentally by performing experiments on Diplococcus pneumonia. It has two distinct forms – one form ...

Lac operon consists of regulator gene, promoter gene, operatoral gene and structural gene. The E. coli bacterium carries numerous genes and these genes ...

Fungicides:  These are used to check the growth of fungi. Fungi are plants without chlorophyll. So they cannot use solar energy to convert ...