596: Alauddin Khilji maintained control on price during his reign because:
(a) He wanted to keep large army at lower expenses.
(b) He had mercy with poor people.
(c) He wanted to gain popularity.
(d) All of the above
597: Match the international events listed below with their respective places labelled as 1,2, 3, 4 and 5 in the given map and select the correct answer using the codes given below the list
International Events :
A. Venue of Commonwealth Conference held in 1999.
B. Venue of World Trade Organisation meeting held in 1999.
C. Place of Israel-Syria Peace talks held in January 2000.
D. Place of military action by Russian troops in January 2000.
Codes :
(a) A-2, B-1, C-5, D-3
(b) A-3, B-4, C-2, D-1
(c) A-4, B-1, C-2, D-3
(d) A-4, B-3, C-5, D-2
598: A married couple adopted a male child. A few years later twin boys were born to them. The blood group of the couple is 'AB' positive and 'O' negative. The blood group of the three sons is A positive, B positive, and 'O' positive. The blood group of the adopted son is
(a) A positive
(b) B positive
(c) O positive
(d) Cannot be determined
599: Consider the following statements :
Chlorofluorocarbons, known as ozone-depleting substances, are used
1. in the production of plastic foams
2. in the production of tubeless tyres
3. in cleaning certain electronic components
4. as pressurizing agents in aerosol cans
Which of the statements given above is/are correct?
(a) 1, 2 and 3 only
(b) 4 only
(c) 1, 3 and 4 only
(d) 1, 2, 3 and 4
600: Which one of the following is the correct sequence in the decreasing order of production (in million tonnes) of the given foodgrains in India?
(a) Wheat-Rice-Pulses-Coarse
(b) Rice-Wheat-Pulses-Coarse
(c) Wheat-Rice-Coarse-cereals-Pulses
(d) Rice-Wheat-Coarse-cereals-Pulses