Will you please give me the Village Administrative Officer exam of TNPSC of previous years in PDF format as it is very urgent for me?

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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. Anergy
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

12. A loudspeaker converts
A. electrical energy into sound
energy
B. sound energy into electrical
energy
C. small sound into a large sound
D. none of the above

13. The transverse wave nature of light was proved by
A. interference
B. diffraction
C. polarisation
D. refraction

14. Electric iron takes a long time to cool because of
A. greater emissivity
B. lesser emissivity
C. less absorptive power
D. more absorptive power

15. Helium is preferred to hydrogen in airships because it
A. has greater lifting power
B. is less dense
C. cheaper
D. does not form explosive mixture with air

16. Excessive consumption of alcohol damages the
A. liver
B. kidneys
C. heart
D. lungs

17. Which of the following has the smell of garlic?
A. White phosphorus
B. Red phosphorus
C. Phosphorus chloride
D. Phosphine

18. A common nitrogenous fertilizer is
A. urea
B. superphosphate
C. triple phosphate
D. potassium chloride

27. The acid which etches glass is
A. nitric acid
B. sulphuric acid
C. hydrofluoric acid
D. hypochlorous acid

28. Which of the following diseases is likely to spread in the entire community if a leaky septic tank contaminates the water supply?

A. Cholera
B. Cancer
C. Tuberculosis
D. Leprosy

29. Yeast help in the production of
A. oxygen
B. glucose
C. alcohol
D. salts

30. Many pulses are obtained from plants of the family
A. Euphorbiaceae
B. Fabaceae
C. Asteraceae
D. Musaceae

Which of the following protozoans possesses definite shape?
A. Amoeba
B. Paramecium
C. Both of these
D. None of these

Which of the following is used for culture medium of bacterial growth?
A. Iodine
B. Agar-Agar
C. Sugar
D. Alcohol

Malaria is caused by
A. virus
B. bacteria
C. protozoa
D. fungi

One of the following is the simplest land plant:
A. Bryophytes
B. Algae
C. Lichens
D. Fungi

Which element is a metalloid in the following?
A. Copper
B. Aluminium
C. Arsenic
D. Gold

Night blindness is caused due to the deficiency of
A. Vitamin A
B. Vitamin K
C. Vitamin B
D. Vitamin E

Mercury is used in thermometers because it
A. is heavy
B. is a liquid
C. expands uniformly
D. is a metal

Sodium chloride is the scientific name of
A. common salt
B. rust
C. soft coke
D. chalk

Fresh foods and fruits contain more of
A. proteins
B. vitamins
C. fats
D. carbohydrates

Electric bulbs are filled with the gas
A. oxygen
B. carbon dioxide
C. argon
D. nitrogen

The sides of a match box contains
A. red phosphorus
B. white phosphorus
C. phosphorus pentoxide
D. none of these

Penicillin was discovered by
a. Edward Jenner
B. J.C. Bose
C. Alexander Fleming
D. William Harvey

Bacteria generally multiply by
binary fission
multiple fission
ongitudinal fission
all of these

Agar-agar is obtained from
A. gelidium
B. ectocarpus
C. laminaria
D. fucus

Which one of the following animals is cold-blooded?
A. Pigeon
B. Fish
C. Dog
D. Man

Nitrogen fixation is done by
A. blue-green algae
B. green algae
C. brown algae
D. red algae

Which type of cancer is the most common?
A. Carcinoma
B. Sarcoma
C. Lymphoma
D. Leukaemia

Which bacteria produce vinegar in sugar solutions?
A. Escherichia
B. Acetobacter
C. Acetobacter aceti
D. Rhizobium

Baker’s yeast is
A. Zygosaccharomyces
octosporus
B. Saccharomyces cerevisae
C. Laminaria
D. S. Ludwigii

The tallest tree occurs in
A. Pteridophytes
B. Monocots
C. Gymnosperms
D. Dicots

Which of the following has been identified as the main source of environmental pollution in the city of Delhi?
A. Automobiles
B. Cement Industry
C. Fertilizer Industry
D. Thermal Power Station

pH of water is
A. 4
B. 12
C. 7
D. 0

The deficiency of iodine causes
A. diabetes
B. rickets
C. scurvy
D. goitre

The poisonous substance that is present in tobacco is
A. Morphine
B. Aspirin
C. Nicotine
D. Reserpine

Which one of the following is excreted in Urine?
A. Sugar
B. Creatin
C. Protein
D. Fat

Who are more likely to get tapeworm?
A. Fish eaters
B. Pork eaters
C. Meat eaters
D. Beef eaters

In which animal was the AIDS virus first detected?
A. Rat
B. Rabbit
C. Horse
D. Monkey

Hargovind Khurana is credited for the discovery of
A. synthesis of protein
B. synthesis of gene
C. synthesis of nitrogenous bases
D. none of these

Contact Details:
Tamil Nadu Public Service Commission
Frazer Bridge Rd,
Esplanade,
George Town,
Madras,
Tamil Nadu 600003 ‎
044 2530 0300
India

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