pollution of air and water

when was the the Ganga action plan launched

• June 9  1969

• January 14  1986

• September 11 2001

• January 19  2000

Characteristics of portable water

• Cloudy, smelly, and full of harmful contaminants
• Clear, odorless, tasteless, and free from harmful contaminants
• Yellow, bitter, and full of chemicals
• Murky, foul-tasting, and contaminated with toxins

the process of Chemical treatment is used to treat only small quantities of water

• true

• false

which of these are true about the Ganga action plan

• Setting up research and development centers to conserve biotic diversity of the river

• Monitor the throwing of unburnt and half burnt bodies into the

• not to Control water pollution caused by agricultural run human defecation and cattle wallowing

modern purifying gadgets such as water filters have the ------------------------ with fine pores For removing suspended impurities when water is poured over these candles the suspended

• ceramic candles

• filter paper

• cloth

• fine filter paper

water should be free from

• pathogenic bacteria

• germs

• minerals

• carbon dioxide

what is meant by wallowing

• To fly in the air
• To dance gracefully
• To climb a mountain
• when large mammals roll about or lie in mud or water, especially to keep cool or avoid biting insects

which gases help aquatic animals to breathe in water

• Nitrogen
• Oxygen
• Methane
• Carbon dioxide

what is potable water

• Safe for drinking and cooking
• Water suitable for swimming
• Water contaminated with chemicals
• Water used for watering plants

when was GAP withdrawn

• GAP was withdrawn in 11 september 2001

• GAP was never withdrawn
• GAP was withdrawn in 29 february 2010

• 31 March 2000.