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Group 1 TNPSC Question Paper - 19th February 2017 - Prelims


1. 

During the year 2016, total number of Indian Satellites launched by ISRO is

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

Answer : B. 5

3. 

A particle executes S.H.M. The acceleration of the particle is maximum

Answer : A. at extreme position

4. 

The velocity of sound is maximum in

Answer : C. Metal

5. 

The aqueous solution of potassium chloride is

Answer : B. a strong electrolyte

6. 

An acid is a substance that can lose a proton is called

Answer : B. Bronsted-Lowry concept

7. 

Which of the following is a wrong statement?

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?

Answer : D. Pyruvate Dehydrogenase

9. 

Match the following algal pigments with their colour :

Pigment Colour
a) Chlorophyll 1) Orange
b) Xanthophyll 2) Green
c) Carotenoid 3) Blue green
d) Phycccyanin 4) Yellow

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.

Answer : D. IV only



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