TNPSC Group I Solved Paper | TNPSC Group I Previous Year Paper | Tamil Nadu Public Service Commission Group I Paper

1. Density of matter is defined as
A. mass / volume
B. mass × volume
C. volume / mass
D. none of these
2. The resultant upthrust on a body partly immersed in liquid acts through
A. the centre of gravity
B. the metacentre
C. the centre of pressure
D. none of these
3. A transverse wave travels along z-axis. The particles of the medium travels along
A. z-axis
B. x-axis
C. y-axis
D. in x-y plane
4. Joule-Thomson cooling is
A. temperature dependent
B. temperature independent
C. dependent on the molecular weight of the gas
D. dependent on the total mass of the gas
5. The principle of action of points is used in
A. capacitors
B. inductors
C. resistors
D. lightning arrestors
6. A jet engine works under the principle of
A. mass
B. energy
C. linear momentum
D. angular momentum
7. To find the temperature of the sun, the following law is used:
A. Charles’ law
B. Stefan’s fourth power law of radiation
C. Boyle’s law
D. Kirchhoff’s law
8. Calotropis is an example of the following phyllotaxy:
A. opposite and decussate
B. spiral
C. whorled
D. alternate
9. Radio carbon dating is used to
A. find diseases
B. find the age of relics
C. find the carbon content in the atmosphere
D. none of these
10. Frequency modulation is more advantageous than amplitude modulation because
A. there will be no distortion
B. distortion will be maximum
C. no internal noises produced
D. internal noises can be filtered
11. X-rays travel with the velocity of
A. light
B. sound
C. positive rays
D. alpha rays

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37 thoughts on “TNPSC Group I Solved Paper | TNPSC Group I Previous Year Paper | Tamil Nadu Public Service Commission Group I Paper

  1. thiyagu

    dear sir,
    i want last 5 years of tnpsc group 1 solved question papers.kindly send that to my mail..thank you..

  2. R.Vinodha

    I need Group-1 question paper for the past 5 Years . Please send me immediately for the May 2 I write the exam.

  3. jeyam

    i am serving in Army as a soldier, I am aspirant of TNPSC Group-I,Exam so can i apply for that. Is there any resevation for army soldier?. My date of brith is 05June1982.I have been serving in Army since 11Jul2000.

  4. sabari

    hai !

    i have need group 1 exam details and last 5 year question papers in tamil …could u pls sent it?

  5. ettuvel.m

    i have group 1 exam last 5 year question paper in tamil.. could u pls help sent for my e-mail address

  6. Jothi

    Hi sir,
    I need last 5 years TNPSC group-2 questions papers with solved answers(GK)in english and General Tamil to my e-mail id.


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