371: Kalhana's Rajatarangini (twelfth century) contains
(a) A collection of stories preaching morals
(b) The history of the dynasties of Kashmir
(c) The history of early Muslim rule in India
(d) An account of the early Indian voyages
372: For developing inbred lines in farm animals, following factors are taken into consideration :
1. The crossbreds should be of outstanding type.
2. They should not carry any detrimental genes.
3. Progeney tested animals.
4. Herd size should be large.
Of the statements given above, which one of the following combinations of factors is most essential ?
(a) 1 and 3
(b) 2 and 3
(c) 1 and 4
(d) 2 and 4
373: Which of the following Acts gave representation to Indians for the first time in legislatures?
(a) The Indian Councils Act. 1909
(b) The Indian Councils Act, 1919
(c) The Government of India Act, 1935
(d) None of the above
374: What is land ceiling?
(a) To fix a land area for irrigation purposes
(b) To fix rural land holdings at the existing level
(c) To fix urban land holdings at the existing level
(d) To fix the quantum of land held by a family
375: Total internal reflection occurs when light travels from:
(a) A rarer medium to a denser medium
(b) A denser medium to a rarer medium
(c) A rarer medium to a denser medium and the angle of incidence is less than the critical angle
(d) A rarer medium to a denser medium and the angle of incidence is greater than the critical angle