3786: What is the approximate mean velocity with which the Earth moves round the Sun in its orbit ?
(a) 20 km/s
(b) 30 km/s
(c) 40 km/s
(d) 50 km/s
3787: Consider the following statements :
Regional disparities in India are high and have been rising in recent years because
I. there is persistent investment over time only in select locales.
II. some areas are agro-climatically less conducive to development.
III. some areas continue to face little or no agrarian transformation and the consequent lack of social and economic opportunities.
IV. some areas have faced continuous political instability.
Which of the above statements are correct ?
(a) I, II and III
(b) I, II and IV
(c) I, III and IV
(d) II, III and IV
3788: Assertion (A):
Harshavardhana convened the Prayag Assembly.
Reason (R):
He wanted to popularise only the Mahayana form of Buddhism.
(a) Both A and R are individually true, and R is the correct explanation of A
(b) Both A and R are individually true, but R is NOT a correct explanation of A
(c) A is true, but R is false
(d) A is fasle, but R is true
3789: Which of the following political parties/organisations were established by Dr. B. R. Ambedkar?
1. Swaraj Party
2. Samaj Samata Sangh
3. All India Scheduled Castes Federation
4. The Independent Labour Party
(a) 1, 2 and 4
(b) 1,3 and 4
(c) 2, 3 and 4
(d) 1, 2 and 3
3790: 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.