Group 1 Prelims 2017 February TNPSC Question Paper

Group 1 Question Papers

Group 1 Prelims 2017 February TNPSC Questions

1.
During the year 2016, total number of Indian Satellites launched by ISRO is
A.
3
B.
4
C.
5
D.
6
😑 View Answer Rough Work
ANSWER :
D. 6
2.
The valence electron of the impurity atom that is to be added to germanium crystal so as to make it a n-type semiconductor is
A.
6
B.
5
C.
4
D.
3
😑 View Answer Rough Work
ANSWER :
B. 5
3.
A particle executes S.H.M. The acceleration of the particle is maximum
A.
at extreme position
B.
at mean position
C.
midway between mean and extreme position
D.
acceleration is same at all position
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ANSWER :
A. at extreme position
4.
The velocity Of sound is maximum in
A.
Water
B.
Air
C.
Metal
D.
Vacuum
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ANSWER :
C. Metal
5.
The aqueous solution of potassium chloride is
A.
a weak electrolyte
B.
a strong electrolyte
C.
a non-electrolyte
D.
initially weak ·and then become a strong electrolyte
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ANSWER :
B. a strong electrolyte
6.
An acid is a substance that can lose a proton is called
A.
Arrhenius concept
B.
Bronsted-Lowry concept
C.
Lewis coneept
D.
Usanovich concept
😑 View Answer Rough Work
ANSWER :
B. Bronsted-Lowry concept
7.
Which of the following is a wrong statement?
A.
All the minerals are not ores
B.
All the ores are not minerals
C.
All the ores are minerals
D.
From ores, metals can be extracted economically
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ANSWER :
B. All the ores are not minerals
8.
Which enzyme catalyze the conversion of Pyruvic Acid into Acetyl co-eilzyme A in the respiratory process?
A.
Pyruvic acid oxidase
B.
Pyruvate synthetase
C.
Aconitase
D.
Pyruvate Dehydrogenase
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ANSWER :
D. Pyruvate Dehydrogenase
9.

Match the following ·algal pigments with their colour :

List I (Pigment) List II (Colour)
a) Chlorophyll 1.) Orange
b) Xanthophyll 2.) Green
c) Carotenoid 3.) Blue green
d) Phycccyanin 4.) Yellow
A.

2 4 1 3

B.

2 4 3 1

C.

1 2 3 4

D.

4 1 3 2

😑 View Answer Rough Work
ANSWER :

A. 2 4 1 3

10.

Which of the following is correct? The term systole refers to

I. Phase of contraction of lungs.

II. Phase of relaxation of lungs.

III. Phase of relaxation of heart.

IV. Phase of contraction of heart.

A.

I and II only

B.

II and III only

C.

II only

D.

IV only

😑 View Answer Rough Work
ANSWER :

D. IV only