Related Questions

Air pollution caused by industrial fumes "has" been studied for years, "but " only recently "has" the harmful effects of noise pollution "become" known.
A 1
B 2
C 3
D 4
Lead cadmium and mercury are all examples of water pollutants called:
A Metalloid
B Alkaline metals
C Heavy metals
D Alkaline earth metals
Cadmium in zinc leach liquor is removed by cementation using
A zinc
B iron
C nickel
D copper
Choose the word that best completes the sentence : Noise pollution generally receives less attention than ----- air pollution.
A does
B it does
C over
D it does over
Noise pollution generally receives less attention than------ air pollution.
A does
B it does
C over
D it does over
Which one among the following water-borne diseases is not caused by a bacteria ?
A Cholera
B Typhoid
C Bacillary dysentery
D Hepatitis A
Which one of the following diseases is caused by bacteria and spread through faecal matter by houseflies ?
A Pertussis
B Typhoid
C Diphtheria
D Chickenpox
Which one of the following weeds is effective in controlling water pollution caused by industrial effluents?
A Parthenium
B Elephant grass
C Water hycinth
D Mogar grass
Which of the following diseases is not caused by VIRUS?
A Chicken Pox
B Dengue
C Cholera
D Polio
Which of the following diseases is caused by the deficiency of niacin?
A Scurvy
B Rickets
C Pellagra
D Pernicious anaemia

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