Which of the following pollutants is the major contributor to photochemical smog?
Ozone : • Ozone is an allotrope of Oxygen, with molecular formula 03. • It is stabilised by resonance i.e. delocalisation of electrons. • It is a pale blue coloured gas present in our the stratosphere layer. • It protects us from the harmful Ultraviolet Rays coming from the sun. • The chlorofluorocarbons (CFCs) are the ozone-depleting agents originating from Air Conditioners, Refrigerators and Aerosols. • Montreal Protocol was signed on September 16, 1987, for the protection of Ozone, that entered into force on January 1, 1989. • But when Ozone is present at ground level, instead of atmosphere it acts as a pollutant.
Lumpi-Pro VacInd, a vaccine for Lumpy disease of cattle has been developed by ____
Castration is the removal of testicles which produce male germ cells. ……………………method of castration is bloodless in which the testicles a...
Exposing of milk at 61- 63 degree Celsius for thirty minutes is termed as………………………
National Goat Research Institute is located at -
Which of the following breed of cow is highest milk yielder ?
The average gestation period of goat is …………………………days.
Feeding extra concentrates to pregnant sheeps is known as………………………
First interspecific cross was made by which of the following Scientist?
The deficiency of Mangnese causes a disease in poultry which is known as
Which buffalo breed is characterized by a jet-black colored body coat and short tightly curled horns, as well as being the best in milk production with ...