1: Which one of the following cities is nearest to the equator ?

(a) Jakarta

(b) Colombo

(c) Singapore

(d) Manila
2: The basic reason for the extraordinary sparkle of a suitably cut diamond is that

(a) it has a very high transparency

(b) it has a very high refractive index

(c) it is very hard

(d) it has well-defined cleavage planes
3: A redistribution of income in a country can be best brought about through

(a) progressive taxation combined with progressive expenditure
(b) progressive taxation combined with regressive expenditure
(c) regressive taxation combined with regressive expenditure
(d) regressive taxation combined with progressive expenditure
4: Which one of the following is a modern tank?

(a) Bhim
(b) Akash
(c) Arjun
(d) Prithvi
5: Which one of the following plants is effective in reducing water pollution and is also useful for producing bio gas ?

(a) Eucalyptus

(b) Water hyacinth

(c) Salvinio

(d) Lotus