4121: The surface of a lake is frozen in severe winter, but the water at its bottom is still liquid. What is the reason?
(a) Ice is a bad conductor of heat
(b) Since the surface of the lake is at the same temperature as the air, no heat is lost
(c) The density of water is maximum at 4 degree celcius
(d) None of the statements (a), (b) and (c) given above is correct.
4122: Consider the following pairs :
Regions sometimes mentioned in news Country
1. Catalonia - Spain
2. Crimea - Hungary
3. Mindanao - Philippines
4. Oromia - Nigeria
Which of the pairs given above are correctly matched ?
(a) 1, 2 and 3
(b)) 3 and 4 only
(c) 1 and 3 only
(d) 2 and 4 only
4123: The population growth rate in Kerala is the lowest among major Indian states. Which one of the following is the most widely accepted reason for this ?
(a) Kerala has made the highest investment in family planning
(b) Kerala has the highest literacy rate in India
(c) Kerala has invested heavily in promoting literacy and public health and placed high priority on social policies
(d) The population pyramid in Kerala has relatively fewer women in the reproductive age-group
4124: The term apabhramsa was used in medieval Sanskrit texts to denote
(a) outcastes among the Rajputs
(b) deviations from Vedic rituals
(c) early forms of some of the modern Indian languages
(d) non-Sanskrit verse metres
4125: In the series POQ, SRT, VUW, ? The blank space refers to
(a) XYZ
(b) XZY
(c) YXZ
(d) YZX