1081: Acid rain is caused by pollution of environment by:
(a) Carbon dioxide and nitrogen
(b) Carbon monoxide and carbon dioxide
(c) Ozone and carbon dioxide
(d) Nitrous oxide and sulphur dioxide
1082: Total internal reflection occurs when light travels from:
(a) A rarer medium to a denser medium
(b) A denser medium to a rarer medium
(c) A rarer medium to a denser medium and the angle of incidence is less than the critical angle
(d) A rarer medium to a denser medium and the angle of incidence is greater than the critical angle
1083: If President wants to resign, he should address his resignation letter to the:
(a) Parliament
(b) Prime Minister
(c) Chief Justice of India
(d) Vice-President
1084: Consider the following statements :
1. Natural gas occurs in the Gondwana beds.
2. Mica occurs in abundance in Kodarma.
3. Dharwars are famous for petroleum.
Which of the statements given above is / are correct?
(a) 1 and 2
(b) 2 and 3
(c) 2 only
(d) None
1085: Among the following , which one is not an ape
(a) Gibbon
(b) Langur
(c) Orangutan
(d) Gorilla