501: Hydroponics means:
(a) Cultivation of plants without the use of soil
(b) Detection of sound in water
(c) Animals living in water
(d) A Japanese way of flowering
502: Which of the following discoveries is/are associated with Einstein?
(i) Theory of relativity
(ii) Quantum theory
(iii) Radio activity
(iv) Rocket propulsion
(a) (i) & (ii)
(b) (i), (ii) & (iii)
(c) (i), (ii) & (iv)
(d) (i) only
503: Chips used in integrated circuits in computers are made of:
(a) Mica
(b) Manganese
(c) Silicon
(d) Zinc
504: Shivaji was coronated at:
(a) Raigarh
(b) Aurangabad
(c) Peshawar
(d) Bundela
505: Which one of the following pairs is not correctly matched ?
Well known Company : Major Area of Work
(a) Adobe Systems India : Software
(b) Sasken : Communication technology
(c) Genpact : Power Generation
(d) Synthite : Export of spices