1.  noise pollution

2.  soil pollution

3.  water pollution

4.  air pollution

4
Correct Answer :

air pollution


Explanation :
No Explanation available for this question

1.  SO2

2.  CO2

3.  NO2

4.  SO3

4
Correct Answer :

SO2


Explanation :
No Explanation available for this question

1.  50%

2.  70%

3.  80%

4.  100%

4
Correct Answer :

80\%


Explanation :
No Explanation available for this question

1.  killing of intestinal bacteria

2.  upsetting enzyme production

3.  converting nitrates into nitrites which harms haemoglobin leading to anaemia

4.  producing more amino acids

4
Correct Answer :

converting nitrates into nitrites which harms haemoglobin leading to anaemia


Explanation :
No Explanation available for this question

1.  Lead

2.  CFCs

3.  Abestos

4.  DDT

4
Correct Answer :

Abestos


Explanation :
No Explanation available for this question

1.  of food scarcity

2.  of game lovers

3.  of exessive use of poisoned pesticides

4.  very few dead animals are found in the fields

4
Correct Answer :

of exessive use of poisoned pesticides


Explanation :
No Explanation available for this question

1.  CO

2.  SO2

3.  Ozone

4.  NO2

4
Correct Answer :

Ozone


Explanation :
No Explanation available for this question

1.  Sea

2.  Air

3.  Jet aeroplane emission

4.  Soil

4
Correct Answer :

Jet aeroplane emission


Explanation :
No Explanation available for this question

1.  it has no residual germicidal effect

2.  it is not effective against most micro-organisms

3.  colour and turbidity of water reduces its disinfection potential

4.  Both (1) and (3)

4
Correct Answer :

it is not effective against most micro-organisms


Explanation :
No Explanation available for this question

1.  CO2

2.  Insecticide

3.  Plastic

4.  Both (2) and (3)

4
Correct Answer :

Both (2) and (3)


Explanation :
No Explanation available for this question

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