4281: The phenomenon of mirage is due to:
(a) Increased absorption of light by air at higher temperature
(b) Change in the refractive index of air with the change in temperature
(c) Total internal reflection
(d) Decreased absorption of light by air at higher temperature
4282: Arteries supplying blood to the heart are called
(a) carotid arteries
(b) hepatic arteries
(c) coronary arteries
(d) pulmonary arteries
4283: Which one of the following pairs is correctly matched?
(a) Rationing : Fiscal control
(b) Cash Reserve Ratio : Selective Credit Control
(c) Licensing : Comprehensive Control
(d) Import Quota : Physical control
4284: Which of the following was the main feature of the policy of Dual Government of British rulers in India?
(a) The English collected the revenues with the help of Indian Officials and they became virtually the head of the civil and military administration
(b) The general administrative body consisted of two categories of rulers
(c) Main items of administration were in the hands of local kings and rest were in the hands of British rulers
(d) Some portions of land were ruled by the local kings and rest by the British rulers
4285: The practice of military governorship was first introduced in India by the
(a) Greeks
(b) Shakas
(c) Parthians
(d) Mughals