TNPSC Group I Exam-Previous Year Question Paper-Subject wise Analysed Questions-Science-Part 3
51. One
byte consists of
A) 2
bits B) 4 bits
C) 6
bits D) 8 bits
Answer: (D)
52. Endothecium
and endothelium are structures associated with
A) Anther
and Integument
B) Anther and Nucellus
C) Integument
and Anther
D) Anther
and Ovary wall
Answer: (A)
53. Match
List I with List II correctly and select your answer using the codes
given
below:
List I List
II
a) Aquaculture 1. Silk
b) Floriculture 2. Grapes
c) Sericulture 3. Flower
d) Viticulture 4. Fish
Codes:
a b c d
A) 1 2 3 4
B) 3 2 1 4
C) 4 1 3 2
D) 4 3 1 2
Answer:
(D)
54. The
packing fraction of a face centred cubic lattice is
A) 36% B) 52%
C) 68% D) 74%
Answer: (D)
55. In
mitochondria, which of the following process/es take(s) places?
A) Tricarboxylic
acid cycle
B) Electrotransport system and oxidative
phosphorylation
C)
b- oxidation of fatty acid
D) All of these
Answer: (D)
56. Synapse
is seen in
A) Nervous
system B) Digestive system
C) Excretory
system D) Reproductive system
Answer: (A)
57. Ammonia
burnt with O2, liberate which of the following ions / radicals?
A) NH+4
+ OH- B) N2 + H2O
C) NO2
+ H2O D) N2 + H2
Answer: (C)
58. Which
of the following structures is involved in the process of
Photo- respiration?
A) Lysosome B) Golgi body
C) Peroxisome D) Ribosme
Answer: (C)
59. Visceral
arches support
A) wall
of the Pharynx
B) Viscera
C) Operculum
D) Gill filament
Answer: (A)
60. The
laws of electrolysis are given by
A) Ostwald B) Faraday
C) Arrhenius D) Lewis
Answer: (B)
61. Electromagnetic
waves were proposed by
A) Newton B) Maxwell
C) Huygens D) Planck
Answer: (B)
62. How
many electrons can be accommodated in d - orbital?
A) 3 B) 6
C) 10 D) 8
Answer: (C)
63. One
tesla is
A) amp
- m2 B) weber
C) amperetums
- m-1 D) weber - m-2
Answer: (D)
64. Relative
frequency is defined as
A) Total
frequency
Class frequency
B) Class frequency
Total frequency
C) Class
frequency
Total frequency X 100
D) None of these
Answer: (B)
65. Which
organelle in the cell, other than nucleus contains DNA?
A) Golgi
body B) Mitochondria
C) Lysosome D) Centriole
Answer: (B)
66. The
experiment to measure de Broglie wavelength was first carried out by
A) Rutherford B) Bohr
C) Davission
- Germer D) Albert Einstein
Answer: (C)
67. I
kB memory is
A) 1000
bytes B) 210 bytes
C) 106
bytes D) 106 bytes
Answer: (B)
68. An
example of polycarpic plant is
A) Pea B) Mango
C) Bamboo D) Pigeon Pea
Answer: (B)
69. Who
among the following scientists got the Nobel Prize for discovering the
concept of jumping genes (or) transposons?
A) Jacob
an Monad
B) Beadle
and Tatum
C) Hargobind
Khorana
D) Barbara
Mcclintock
Answer: (D)
70. The
uncertainty principle was proposed by
A) de
Broglie B) Maxwell
C) Thomson D) Heisenberg
Answer: (D)
71. Recently
Bicentenary birth anniversary was carried out for
A) Gregor
Johann Mendel
B) Charles
Darwin
C) Louis
Pasteur
D) Alexander Flemming
Answer: (B)
72. The
toxic carcinogenic metal ion in the following is
A) Cr° B) Cr3+
C) Cr2+ D) Cr6+
Answer: (D)
73. Venturimeter
is used to measure
A) fluid
velocity B) fluid surface tension
C) fluid
temperature D) fluid
density
Answer: (A)
74. The
bacterial cell wall consist of
A) Cellulose B) Lignin
C) Mucopeptide D) Pectose
Answer: (C)
75. The
system of biological classification used today was created by
A) Charles
Darwin
B) Carolus Linnaeus
C) Gregor
Mendel
D) Stephen Gould
Answer: (B)
No comments:
Post a Comment