01.Which of the following is an Disk Operating System (DOS) command?
(A)LIST
(B)CHANGE
(C)DUPLICATE
(D)FORMAT
(A)Shell Account
(B)Kernel Account
(C)Server Account
(D)TCP/IP Account
03.The gas used to extinguish fire is
(A)Neon
(B)Nitrogen
(C)Carbon dioxide
(D)Carbon monoxide
04.The non-metal found in the liquid state is
(A)bromine
(B)nitrogen
(C)fluorine
(D)chlorine
05.Ionisation energy of nitrogen is greater than that of oxygen because nitrogen has
(A)high bond dissociation energy
(B)smaller atomic radius
(C)stable half filled 2p sub level
(D)high nuclear charge
06.Sulphuric acid is
(A)monobasic
(B)dibasic
(C)tribasic
(D)tetrabasic
07.Which one of the following group of gases contribute to the ‘‘Green House Effect’’?
(A)Carbon dioxide and Methane
(B)Ammonia and Ozone
(C)Carbon monoxide and Sulphur dioxide
(D)Carbon tetraflouride and Nitrous oxide
08.Which of the following series is true about energy flow in an ecosystem?
(A)Producers ,Decomposers,Consumers
(B)Decomposers ,Consumers ,Producers
(C)Producers , Consumers ,Decomposers
(D)Consumers ,Producers , Decomposers
09.Which of the following three R's are regarded as environment friendly?
(A)Reduce, Rebuild, Restrict.
(B)Random, Reduce, Recall.
(C)Read, Register, Recall
(D)Reduce, Reuse, Recycle.
10.Who is the Union Minister of Petroleum and Natural Gas?
(A)S. Jaipal Reddy
(B)M. Veerappa Moily
(C)Vayalar Ravi
(D)Dharmendra Pradhan
Answers Key.....
01. D
02. D
03. C
04. A
05. C
06. B
07. A
08. C
09. D
10. D
01. D
02. D
03. C
04. A
05. C
06. B
07. A
08. C
09. D
10. D
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