2266: Consider the following:

1. Oxides of Hydrogen

2. Oxides of Nitrogen

3. Oxides of Sulphur

Which of the above causes/cause acid rain ?

(a) 1 and 2 only
(b) 2 and 3 only
(c) 3 only
(d) 1, 2 and 3
2267: Given below is a map of some countries which were parts of the erstwhile Soviet Union with water bodies shown by shaded areas :

The countries marked 1, 2, 3, 4 and 5 are respectively

(a) Tajikistan, Turkmenia, Uzbekistan, Kirgizia, Kazakhstan
(b) Turkmnia, Kirgizia, Tajikistan, Uzbekistan, Kazakhstan
(c) Kazakhstan, Uzbekistan, Tajikistan, Kirgizia, Turkmenia
(d) Kazakhstan, Turkmenia, Uzbekistan, Kirgizia, Tajikstan
2268: What is Agent Orange?

(a) An ace spying group trained by the Police in London

(b) A weed-killing chemical used by the US Military in the Vietnam War

(c) A technique used in the advanced railway safety procedure

(d) A special chemical used in making alloy steel
2269: The minimum possible temperature beyond which matter cannot be cooled is

(a) -98.10° C

(b) -100.00° C

(c) -273.15° C

(d) -459.40° C
2270: India has the maximum volume of foreign trade with

(a) USA
(b) Japan
(c) Germany
(d) UAE