4181: Soils of Western Rajasthan have a high content of
(a) Aluminium
(b) Calcium
(c) Nitrogen
(d) Phosphorus
4182: Which one of the following pairs is not correctly matched ?
(a) Cosmic Background Explorer (COBE) : Satellite programme
(b) Falcon : Under-sea cable system
(c) Discovery : Space shuttle
(d) Atlantis : Space station
4183: Duncan pass is located between:
(a) North Andaman and South Andaman
(b) North Andaman and Car Nicobar
(c) South Andaman and Car Nicobar
(d) South Andaman and Little Andaman
4184: "Jhum Cultivation" is connected with:
(a) Tribal people
(b) Delta cultivation
(c) Dry farming
(d) Hilly people
4185: Which number will continue the following series?
3, 8, 15, 24, 35, 48, 63, 80,........
(a) 92
(b) 99
(c) 91
(d) 87