501: During the time of which Mughal Emperor did the English East India Company establish its first factory in India?

(a) Jahangir

(b) Akbar

(c) Shahjahan

(d) Aurangzeb
502: The release of which one of the following into ponds and wells helps in controlling the mosquitoes?

(a) Gambusia fish
(b) Snail
(c) Crab
(d) Dogfish
503: Match List-I (New Names of the Countries) with List-II (Old Names of the Countries) and select the correct answer using the codes given below the Lists :

List-I List-II

(New Names ) (Old Names )

A. Benin 1. Nyasaland
B. Belize 2. Basutoland
C. Botswana 3. Bechuanaland
D. Malawi 4. British Honduras
5. Dahomey

Codes:

A B C D
(a) 3 1 2 4
(b) 5 4 3 1
(c) 3 4 2 1
(d) 5 1 3 4
504: Where was the selection of suitable candidates for a particular job first started through competitive examinations?

(a) China

(b) Great Britain

(c) U.S.A.

(d) Germany
505: The most important strategy for the conservation of biodiversity together with traditional human life is the establishment of

(a) biosphere reserves
(b) botanical gardens
(c) national parks
(d) wildlife sanctuaries