36: Consider the following:

Carbon monoxide
Methane
Ozone
Sulphur dioxide
Which of the above are released into atmosphere due to the burning of crop/biomass residue?

(a) 1 and 2 only

(b) 2, 3 and 4 only

(c) 1 and 4 only

(d) 1, 2, 3 and 4
37: The Narimanam oil field is located in:

(a) Mahanadi delta

(b) Krishna delta

(c) Cauvery delta

(d) Godavari delta
38: Dehydration in the human body results due to loss of:

(a) Salts

(b) Water

(c) Vitamins

(d) Hormones
39: In an examination, every candidate took Physics or Mathematics or both 65.8% took Physics and 50.2% took Mathematics. The total number of candidates was 2000. How many took both Mathematics and Physics ?

(a) 750

(b) 700

(c) 550

(d) 500
40: Who of the following is the author of the book "The Audacity of Hope"?

(a) Bill Clinton
(b) Al Gore
(c) Barack Obama
(d) Hillary Clinton