TNPSC Group I Exam-Previous Year Question Paper-Subject wise Analysed Questions-Science-Part 2
A) c B) 2c
C) 2√2c D) √2c
26. Match
the following :
a) FORTARN 1. Procedure oriented language
b) C 2. Object oriented language
c) C++ 3. Event driven language
d) VB 4. Formula traction language
Codes
:
a b c d
A) 4 2 1 3
B) 4 1 2 3
C) 1 3 4 2
D) 3 1 4 2
Answer:
(B)
27. Consider
the following:
I. Bluetooth
and WI-FI and both wireless networking standards that provide connectivity via radio
waves.
II. The
main difference is Bluetooth’s primary use is to replace cables while WI.FI used to
provide wireless, high speed access to the internet or a local area network.
Of
these
A) I
is true but II false
B) I
is false but II is true
C) I
and II are true
D) I
and II are false
Answer:
(C)
28. Match
the following:
a) UNIX 1. MySQL
b) MSDOS 2. Bell Lab
c) Open
source DBMS 3. Oracle
d) RDBMS 4. Microsoft Corporation
Codes:
a b c d
A) 2 4 3 1
B) 4 1 2 3
C) 2 4 1 3
D) 3 1 2 4
Answer:
(C)
29. Which
one of the following is not a non-sense codon?
A) UAA B) UAU
C) UGA D) UAG
Answer:
(B)
30. One of the
following special inflorescence is the characteristic feature of Euphorbiaceae
family.
A) Cyathium B) Verticillaster
C) Hypanthodium D) Coenanthium
Answer:
(A)
31. Consider
the following statements:
Assertion
(A) :
In nature Ag £ Pb
occur as oxides and not as sulphides.
Reason (R)
: The cations of Ag £ Pb cbn polarize O2 ion
easily than S2- ion.
Choose
your correct answer:
A) Both
(A) and (R) are individually true and (R) is the correct explanation of (A)
B) Both (A) and (R) are individually true
but (R) is not the correct explanation of (A)
C) (A)
is true but (R) is false
D) Both (A) and (R) are false
Answer: (D)
32. Examine
the following statements carefully and select the Answer
using
the code given below :
Assertion
(A) : Boron carbide is used
to make bullet -proff clothing
Reason (R1) : It is an interstitial carbide and has icosahedral
structure.
Reason (R2) : The fibres of them have enormous tensile strength
Choose
your correct answer:
A) All
(A), (R1) and (R2) are correct
B) (A) is correct, (R1) is the correct
explanation of (A) and (R2) is incorrect
C) (A)
is correct, both (R1) and (R2) are
correct but cannot explain (A)
D) (A) is correct, (R1) is incorrect but
(R2) is correct explanation for (A)
Answer: (D)
33. DNA
cloning involves following processes
I. The recombinant plasmid DNA is introduced into bacterial
host
II. The donor DNA and linear plasmid
DNA are mixed
III. Replication takes place
IV. Transfection takes place
Of
these
A) I,
II, III and IV
B) II,
I, III and IV
C) II,
I, IV and III
D) IV,
I, II, and III
Answer: (C)
34. The
velocity of sound is
A) Minimum
in the rod C
B) Minimum
in both the rods A and B
C) The
same in all the rods
D) Different
in A, B and c and C an can’t be compared with the given details
Answer: (A)
35. If
the rods were of lengths I, 2I and 3I respectively, then the ratio of the respective
sound velocities in them would be
A) 1 :
1 : 1 B) 1
: 2 : 3
C) 3 :
2 : 1 D) 2
: 2 : 1
Answer: (A)
36. The
dimensions of the ratio of density to the modulus of elasticity are
A) L2 T-2
B) L2
T2
C) LT -1
D) L-1 T
Answer: (B)
37.The
moments of inertia of the rods A,B and C about their axis of symmetry respectively
are ir the ratio
A) 1 :
2 : 3 B) 1
: 4 : 9
C) 1 : 5 : 10 D) 1 : 1
: 1
Answer: (D)
38. Where
in the human body is the ‘Uvula’?
A) Nose B) Ears
C) Mouth D) Neck
Answer: (C)
TNPSC
GROUP – I Exam- 2011
(Preliminary
Exam-Original Question Paper)
39. The
deficiency of Molybdenum, a trace element present in the soil, causes
A) Red
rot sugarcane
B) Whiptail
disease of Cauliflower
C) White
rust disease of Amaranthus
D) Black rust disease of wheat
Answer: (B)
40. The
resolving power of a telescope is highest for
A) Blue
light B) Green light
C) Yellow
light D) Red light
Answer: (A)
41. Tuberculosis
immunization was developed by
A) Albert
Calmatte
B) Paul
Ehrlich
C) Robert
Koch
D) Louis
Pasteur
Answer: (A)
42. Where
are the typoons usually found?
A) East
Pacific B) West Pacific
C) Black
Sea D) Red Sea
Answer: (B)
43. If the
total energy of a particle is thrice its rest energy, then the velocity of the
particle is, (C = Velocity of light)
A) c B) 2c
3 3
 |
C) 2√2c D) √2c
3 3
Answer: (C)
44. Consider the following statements:
Assertion (A) : Vitamin K deficiency leads to
heamorrhage.
Reason
(R) : Folic acid deficiency leads to Anaemia
Now
select your answer according to the coding scheme given below:
A) Both
(A) and (R) are true and (R) is the correct explanation of (A)
B) Both
(A) and (R) are true, but (R) is not the correct explanation of (A)
C) (A)
is true, but (R) is false
D) (A)
is false, but (R) is true
Answer: (C)
45. During
electrolysis of molten calcium hydride
A) calcium
is deposited at anode
B) hydrogen
is liberated at anode
C) hydrogen
is liberated at cathode
D) hydrogen
and oxygen are liberated at cathode at cathode and anode respectively.
Answer: (B)
46. The
lasting material in Ruby laser is
A) AI2O3 B) Ni 2+
C) V
3+ D) Cr 3+
Answer: (D)
47. Longitudinal
half of the chromosome is called
A) Centromere B) Chromatid
C) Chromation D) none of these
Answer: (B)
48. The
term ‘gene’ was proposed by
A) Bateson B) Punnet
C) Darlington D) Johannsen
Answer: (D)
49. Aqueous
solution of which of the following is a good conductor of
electricity?
A) Ammonium
acetate
B) Glucose
C) Ammonia
D) Acetic acid
Answer: (A)
50. When
the polarizing angle for a dense flint glass is 60°
30’, then its refractive index is
A) 1.333 B) 1.541
C) 1.627 D) 1.768
Answer: (C)
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