Ok, as you want the question paper of Tamil Nadu Public Service Commission Village Administrative Officer (TNPSC VAO) exam so here I am providing you.

TNPSC VAO question paper

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