31. DNS
in internet technology stands for
(A) Dynamic Name System (B) Domain Name System
(C) Distributed Name System (D) None of these
Answer: B
32. HTML
stands for
(A) Hyper Text Markup Language
(B) Hyper Text Manipulation Language
(C) Hyper Text Managing Links
(D) Hyper Text Manipulating Links
Answer: A
33. Which
of the following is type of LAN?
(A) Ethernet (B)
Token Ring
(C) FDDI (D)
All of the above
Answer: D
34. Which
of the following statements is true?
(A) Smart cards do not require an operating
system.
(B) Smart cards and PCs use some operating
system.
(C) COS is smart card operating system.
(D) The communication between reader and card
is in full duplex mode.
Answer: C
35. The
Ganga Action Plan was initiated during the year
(A) 1986 (B)
1988
(C) 1990 (D)
1992
Answer: A
36. Identify
the correct sequence of energy sources in order of their share in the power
sector in India:
(A) Thermal > nuclear > hydro > wind
(B) Thermal > hydro > nuclear > wind
(C) Hydro > nuclear > thermal > wind
(D) Nuclear > hydro > wind > thermal
Answer: B
37. Chromium
as a contaminant in drinking water in excess of permissible levels, causes
(A) Skeletal damage
(B) Gastrointestinal problem
(C) Dermal and nervous problems
(D) Liver/Kidney problems
Answer: D
38. The
main precursors of winter smog are
(A) N2O and hydrocarbons (B) NOx and hydrocarbons
(C) SO2 and hydrocarbons (D) SO2 and ozone
Answer: C
39. Flash
floods are caused when
(A) the atmosphere is convectively unstable
and there is considerable vertical wind shear
(B) the atmosphere is stable
(C) the atmosphere is convectively unstable
with no vertical windshear
(D) winds are catabatic
Answer: A
40. In
mega cities of India, the dominant source of air pollution is
(A) transport sector (B) thermal power
(C) municipal waste (D) commercial sector
Answer: A
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