2146: We can know about early Vedic period from:
(a) Archaeological excavations
(b) Contemporary cultures
(c) Rigveda
(d) Jatak Katha
2147: Consider the geographical details given in the following figure :
The point marked by A in the figure indicates a country in
(a) North America
(b) South America
(c) Europe
(d) Asia
2148: Assertion (A):
At first the Turkish administration in India was essentially military.
Reason (R):
The country was parcelled out as Iqtas among leading military leaders.
(a) Both A and R are true, and R is the correct explanation of A
(b) Both A and R are true, but R is NOT a correct explanation of A
(c) A is true, but R is false
(d) A is false, but R is true
2149: Optical fibre works on the principle of
(a) total internal reflection
(b) refraction
(c) scattering
(d) interference
2150: On which one of the following rivers is the Tehri Hydropower Complex located?
(a) Mandakini
(b) Bhagirathi
(c) Alaknanda
(d) Dhauliganga