Which of the following chemicals of anthropogenic origin mimics the effect of estrogen in animals ?
“Black Foot” disease in human beings caused due to use of water contaminated with
Largest amount of fresh water is present in
A threatened species is
Mesoscale Meteorological Phenomena occur over areas of
horizontal distance in the range (km)
The Indian monsoon period is from
Answer: June to September
Which of the following is not a reactive oxygen species ?
Azaridine,Ethylene dibromide, Bis(chloromethyl) ether are
Answer: Alkylating agents
Normality of 0.25 M phosphoric acid is
The gaseous material which is used for the synthesis of Methyl isocyanate is
During the determination of COD, sulphanilic acid is added, because
Answer: it oxidises nitrites to nitrates
Which year was declared as International Year of Biodiversity ?
The forest biome characterised by 3-4 tree species/km2 is
Which of the following is a type of biodiversity extinction caused primarily due to anthropogenic activities ?
Answer: Holocene extinction
The chemical used in a fermenter with molasses as a substrate is
Answer: Diammonium phosphate