541: Which substance is commonly used in refrigerators?
(a) Freon
(b) Oxygen
(c) Ammonia
(d) Sulphur dioxide
542: India is an important member of the 'International Thermonuclear Experimental Reactor'. If this experiment succeeds, what is the immediate advantage for India?
(a) It can use thorium in place of uranium for power generation
(b) It can attain a global role in satellite navigation
(c) It can drastically improve the efficiency of its fission reactors in power generation
(d) It can build fusion reactors for power generation
543: Which one of the following was the contemporary Bengal king during the time of Harsha of Kannauj ?
(a) Bhaskaravarman
(b) Divakaramitra
(c) Devagupta
(d) Sasanka
544: The planning process in the industrial sector in India has assumed a relatively less important position in the nineties as compared to that in the earlier period. Which one of the following is not true in this regard ?
(a) With the advent of liberalisation, industrial investments/development have largely been placed within the domain of private and multinational sectors
(b) With markets assuming a central place, the role of central planning in many sectors has been rendered redundant
(c) The focus of planning has shifted to sectors like human resource development, infrastructure, population control and welfare
(d) The nation's priorities have shifted away from industrial development to rural development
545: Match List I with List II and select the correct answer using the codes given below the Lists :
List I-------------------List II
I. German Silver---------(A) Tin
II. Solder----------------(B) Nickel
III. Bleaching Powder-----(C) Sodium
IV. Hypo-----------------(D) Chlorine
Codes:
(a) I-A, II-B, III-D, IV-C
(b) I-B, II-A, III-C, IV-D
(c) I-A, II-B, III-C, IV-D
(d) I-B, II-A, III-D, IV-C