526: Which of the following shipyards makes warships?
(a) Cochin Shipyard
(b) Mishra Dhatu Nigam Ltd.
(c) Mazagon Dock
(d) Hindustan Shipyard
527: Which of the following statements is/are correct?
1. Viruses lack enzymes necessary for the generation of energy.
2. Viruses can be cultured in any synthetic medium.
3. Viruses are transmitted from one organism to another by biological vectors only.
Select the correct answer using the codes given below.
(a) 1 only
(b) 2 and 3 only
(c) 1 and 3 only
(d) 1, 2 and 3
528: Which is the odd man out?
(a) POKI
(b) MIEA
(c) SOKG
(d) YUQM
529: The principal cause of soil damage in Punjab and Haryana is:
(a) Salinity and water-logging
(b) Deforestation
(c) Ravine erosion
(d) Overgrazing
530: Which one of the following pairs is not correctly matched?
Unit of Indian Railway :Location
(a) Railway Staff College : Vadodra
(b) Central Organization for Railway Electrification :Varanasi
(c) Wheel and Axle Plant : Bangalore
(d) Rail-coach Factory :Kapurthala