2046: There are mice in the field which act as prey to snakes. Hawks eat the snakes. Some dogs are brought into the field ? What will be its effect?
(a) Mice will decrease
(b) Hawks will decrease
(c) Snakes will increase
(d) Mice and snakes will decrease
2047: Which one of the following statements does correctly defines the term "drain theory" as propounded by Dadabhai Naoroji?
(a) That the resources of the country were being utilised in the interest of Britain
(b) That a part of India's national wealth or total annual product was being exported to Britain for which India got no material return
(c) That the British Industrialists were being given an opportunity to invest in India under the protection of the imperial power
(d) That the British goods were being imported to the country making it poorer day by day
2048: The path of Halley's comet in its orbit around the sun is
(a) Parabolic
(b) Hyperbolic
(c) Elliptical
(d) Circular
2049: Liberia was in the international news in the recent times for:
(a) Harbouring terrorists associated with religious fundamentalism
(b) Supplying raw uranium to North Korea
(c) Its long-running civil war killing or displacing thousands of people
(d) Cultivation of drug-yielding crops and smuggling of drugs
2050: The chief ingredient of the mosquito repellent cream is derived from:
(a) Tulsi
(b) Neem
(c) Lemon
(d) Rice bran