TNPSC General Knowledge - General Science
Exam Duration: 45 Mins Total Questions : 30
A barometer is used to measure
- (a)
Wind direction
- (b)
Wind speed
- (c)
Temperature
- (d)
Air pressure
Which star is nearest to the sun?
- (a)
Proxima centauri
- (b)
Sirius
- (c)
Alpha Centauri
- (d)
Spole star
Liquefied petroleum Gas consists of mainly:
- (a)
methane, ethane and hexane
- (b)
ethane, hexane and nonane
- (c)
methane, butane and propane
- (d)
methane, hexane and nonae
Which of the following statements about AIDS is correct?
- (a)
It does not affect women
- (b)
It generally affect the brain
- (c)
AIDS virus can vary its genetic code outwitting a vaccine
- (d)
all those infected by a blood transfusion get AIDS within five years
The element found on the surface of the moon is:
- (a)
tin
- (b)
tungsten
- (c)
tantalun
- (d)
titanium
Jaundice is an infectious disease which spreads through
- (a)
Air
- (b)
Soil
- (c)
Water
- (d)
Clothes
Petroleum is mixture of
- (a)
Petrol
- (b)
Diesel
- (c)
Petroleum gas
- (d)
All of these
The short upper part of the human intestine next to the stomach is called:
- (a)
Caecum
- (b)
Duodenum
- (c)
Ileum
- (d)
Jejunum
Consider the following vitamins:
1. Niacin
2. Pyridoxin
3. Riboflavin
4. Thiamine
Which of these are water-soluble vitamins?
- (a)
1, 2 and 3
- (b)
2, 3 and 4
- (c)
1 and 4
- (d)
1, 2, 3 and 4
Which among the following is the richest source of ascorbic acid?
- (a)
Apple
- (b)
Bean
- (c)
Carrot
- (d)
Guava
Which synthetic fibre is known as artificial silk?
- (a)
Cotton
- (b)
Rayon
- (c)
Terylene
- (d)
Nylon
An acid used to remove inkspots is:
- (a)
oxalic acid
- (b)
butyric acid
- (c)
lactic acid
- (d)
tartaric acis
Which of them is used in extraction metals?
- (a)
Coke
- (b)
Coal gas
- (c)
Coal tar
- (d)
Petroleum
Which of them is used as solvent for dry cleaning?
- (a)
Diesel
- (b)
Kerosene
- (c)
Petrol
- (d)
Paraffin wax
consider the following elements:
1. Copper
2. Gold
3. Platinum
4. Silver
Which of the above elements exist free in nature?
- (a)
1 and 2
- (b)
2 and 3
- (c)
1,3 and 4
- (d)
3 and 4
When a gas turns into a liquid, the process is called
- (a)
condensation
- (b)
evaporation
- (c)
deposition
- (d)
sublimation
Most plant and animal cells are similar in some respect since they both have in common
- (a)
Cytoplasm and cellulose
- (b)
Cytoplasm and contractile vacuole
- (c)
Cytoplasm and nucleus
- (d)
Membrance and cell wall
Who invented the refrigerator?
- (a)
Henry Ford
- (b)
J.L. Baird
- (c)
Jacob Perkins
- (d)
A. Fleming
Which of the following are correctly matched?
- (a)
Haemoglobin-Transport protein
- (b)
Myosin and actin-Contractile protein
- (c)
Collagen proteins-Structural
- (d)
Gamma globulins-Protective protein
Study of the fungi and fungus diseases is dealt by
- (a)
Mycology
- (b)
Embryology
- (c)
Epigraphy
- (d)
Cryptography
Air is a/an
- (a)
compound
- (b)
element
- (c)
mixture
- (d)
electrolyte
The kestrel is a type of
- (a)
Falcon
- (b)
Eagle
- (c)
Vulture
- (d)
Osprey
Igor Sikosky was the first person to develop which type of vehicle?
- (a)
Motor car
- (b)
Motor Bike
- (c)
Helicopter
- (d)
Truck
Galvanised iron sheets have a coating of:
- (a)
tin
- (b)
lead
- (c)
zinc
- (d)
chromium
In which year was the ozone hole first discovered?
- (a)
1986
- (b)
1987
- (c)
1985
- (d)
1982
Which one of the following pairs is correctly matched?
- (a)
Madam Curie-X-ray
- (b)
Albert Einstein-Photoelectric effect
- (c)
Linus pauling-Electron
- (d)
C.V.Raman-Stock effect
A hollow cylindrical rod is filled with air, to make it a resonance column. To produce a wave of length 48 cm the minimum length of rod should be
- (a)
12 cm
- (b)
24 cm
- (c)
48 cm
- (d)
96 cm
Funk-discovered
- (a)
Proteins
- (b)
Vitamins
- (c)
Enzymes
- (d)
Hormones
The emission of b-particle
- (a)
increases the atomic number by one
- (b)
decreases the atomic number by one
- (c)
increase the mass number by one
- (d)
decrease the mass number by one
A cup of hot tea on a metal table in a room loses heat by:
- (a)
conduction and convection
- (b)
conduction, convection, radiation and evaporation
- (c)
conduction and evaporation
- (d)
conduction and radiation