TNPSC
Exam-GROUP – II - Subject wise analysed questions and Answers- Science-Part-2
26. The term ‘Boson’ in boson has an Indian
origin because
A) of the financial support of Indian
Government towards research
B) Higgs particle was found theoretically
by Indian Physicist S.N. Bose
C) it was the name given to the particles
obeying Bose-Einstein Statistics
D) it was coined by Bose
Ans : (B)
27. The gas which is more readily absorbed by
Haemoglobin in blood is
A) O2 B) NO2
C) N2 D) H2
Ans : (A)
28. The energy resource which is pollution
free is
A) thermal power plant
B) solar power plant
C) nuclear power plant
D) atomic power plant
Ans : (B)
29. g- globulins consist
mainly of immune globulin and they act as
A) antigens B) monoclonal antigens
C) antibodies D) polyclonal
antigens
Ans : (C)
30. Formation of sweet eliminates maily
A) sodium chloride and water
B) oil and wax like secretion
C) sodium chloride and lactic acid
D) water and uric acid
Ans : (A)
31. Which of the following sequences is
correct on the basic of increasing molecular weight?
A) DNA, ATP, NADP, AMP
B) AMP, ATP, NADP, DNA
C) ATP, AMP, DNA, NADP
D) ATP, ADP, NADP, DNA
Ans : (B)
32. The biochemical marker which can help a
genetic counsellor assess the risk of Dow’s syndrome of a client is
A) Chorionic gonadotropin B) FSH
C) LH D) Amniotic fluid
Ans : (D)
33. Jazz disk can hold
A) 1 TB of data B) 1
GB of data
C) 512 MB of data D) 20
GB of data
Ans : (B)
34. In computer processor each machine cycle
consists of four operations. They are
A) (i)
delete (ii) add (iii) sub (iv) mul
B) (i) fetch, (ii)
decode, (iii) execute, (iv) store
C) (i) store, (ii) mul, (iii) flip- flop
D) (i) fetch, (ii) mul,
(iii) add, (iv) sub
Ans : (B)
35. Carefully observe the given diagram and
select the correct answer
figure
A) X – Respiration, Y – Photosynthesis Z-
proteins and oxygen
B) X- Photosynthesis, Y – Respiration, Z- Carbohydrates
C) X- Anaerobic respiration, Y-
Photosynthesis respiration
D) X –
Aerobic respiration, Y- Photosynthesis, Z – Carbohydrates and oxygen
Ans : (D)
36. Consider the following:
I. Nitrogenase
II. PEP carboxylase
III. Nitrate reductase
Which
of the above is/are inducible enzyme(s)?
A) I and II B) III only
C) I only D) I and III
Ans : (D)
37. Express the symbol of pedigree charting :
A) Monozygotic twins
B) Dizygotic twins
C) Both are daughters
D) Both are daughters
Ans : (A)
38. Match List I correctly with List II and
select your answering using the codes given below:
List I List II
a) Naked ascus 1.
Pyrenomycetes
b) Perithecium 2.
Plectomycetes
c) Apothecium 3.
Heteroascomycetes
d) Cleistothecium 4.
Discomycetes
Codes:-
a b c d
A) 4 3 1 2
B) 2 4 3 1
C) 3 1 4 2
D) 2 1 3 4
Ans : (C)
39. Soft iron is an ideal material for
electromagnets because it
A) exhibits maximum flux density
B) requires small flux density
C) exhibits low hysteresis loop
D) all of these
Ans : (D)
40. Match List I correctly with List II and
select your answering using the codes given below:
List I List II
a) Convex lens 1.
dispersion
b) Concave lens 2. long
sight
c) prism 3. virtual image
d) Mirror 4. short sight
Codes:-
a b c d
A) 3 4 3 1
B) 1 3 2 4
C) 2 4 1 3
D) 4 1 3 2
Ans : (C)
41. Consider
the following statements :
Assertion (A) : Metals and glass are isotropic in nature
Reason (R) :
They have same properties in all directions.
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
Ans : (A)
42. The radio-isotopes used for blood
circulation disorder and thyroid disorder are
A) radio sodium and radio iodine
B) ratio sodium and radio phosphorus
C) radio iodine and radio phosphorus
D) radio iron and radio sodium
Ans : (A)
43. Magnetic separation is used for the
concentration of
A) Argentite B) Galena
C) Haematite D) Magnesite
Ans : (D)
44. Consider the following statements :
Assertion (A) : Diamond is thermodynamically more
stable than Graphite at room temperature and ordinary pressure.
Reason (R) : In Diamond each carbon is tetrahedrally
surrounded by four other carbon atoms and the tetrahedral into a three
dimentional giant molecule
Now select your answer according to the coding scheme
given below:
B)(A) is false and(R) is not correct and(R)is not the correct explanation (A)
C)(A) is true, but (R) is false
D) Both (A) and (R) are false
Ans : (A)
45. Match List I correctly with List II and
select your answering using the codes given below:
List I List II
a) Malathion 1.
Rodenticide
b) Calomel 2. Herbicide
c) Atrazine 3. Fungicide
d) Nor - bromide 4.
Insecticide
Codes:-
a b c d
A) 4 3 2 1
B) 1 4 3 2
C) 3 2 1 4
D) 2 1 4 3
Ans : (A)
46. Which of the following is the correct pH
range of blood of a healthy person?
A) 6.9 – 7.1 B) 7.0 – 8.0
C) 7.21 – 8.10 D) 7.35
– 7.45
Ans : (D)
(July - 2011)
TNPSC GROUP - II
Science
47. Duralumin contains
A) Mg and (A) B) Al
and Au
C) Mn
and Al D) Zn and Al
Ans : (A)
48. Which among the following is a set of
primary nutrients?
A) Urea, borax
B) Epsom
salt, urea
C) NH3,
KCl
D) S-
ammonium molybdate
Ans : (C)
49. Newton's law of cooling is a special case
of
A) When's displacement law
B) Kirchhoff's
law
C) Stefan's
law
D) Planck's
law
Ans : (A)
50. Consider the following statement:
II. This used for the determination of small
quantities of proteins and other biological
substances.
Of these
A) I & II
are correct
B) I & II
are wrong
C) I is
correct, II is wrong
D) I is
wrong, II is correct
Ans : (B)
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