641: Which of the following stream systems dissects Aravalli range?
(a) Narmada, Son
(b) Banas, Luni
(c) Betwa, Koina
(d) Ganga, Saraswati
642: In India people migrate from the countryside to the towns while in the U.S.A. it is just the other way. What is the reason for this?
(a) In U.S.A. people like the countryside more than the cities
(b) Use of urban land for purposes other than that of residence
(c) Lack of security of life and property in cities
(d) Lack of employment opportunities in cities
643: Tamil Nadu is a leading producer of mill made cotton yam in the country. What could be the reason ?
1. Black cotton soil is the predominant type of soil in the State.
2. Rich pool of skilled labour is available.
Which of the above is/are the correct reasons ?
(a) 1 only
(b) 2 only
(c) Both 1 and 2
(d) Neither 1 nor 2
644: 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
645: The theme of Indian Science Congress, 2001 was
(a) Food Nutrition and Environmental Security
(b) Arrest declining interest in pure sciences
(c) Make India energy self-sufficient
(d) Make India IT Superpower