Answer 878

Photochemical smog is related to the pollution of -----

(a) soil

(b) water

(c) noise

 

(d) air

4 year ago
pradeep negi
pradeep negi

Water pollution is mainly caused by ----

(a) decay of bodies of aquatic animals

(b) industrial effluents

(c) excessive rain

(d) growth of phytoplankton

4 year ago
pradeep negi
pradeep negi

 Which of the following is not produced as exhaust of vehicles?

(a) sulphur dioxide

(b) carbon dioxide

(c) carbon monoxide

 

(d) fly ash

4 year ago
pradeep negi
pradeep negi

Taj Mahal is threatened due to the effect of-----(a) chlorine

(b) sulphur dioxide

(c) oxygen

(d) hydrogen

4 year ago
pradeep negi
pradeep negi

Which day is Earth Day?

4 year ago
pradeep negi
pradeep negi

What are the four major problem of students?

4 year ago
Shweta Jain
Shweta Jain
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