GENERAL SCIENCE FOR SSC CGL AND RAILWAY RRB SET 17

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GENERAL SCIENCE FOR SSC CGL AND RAILWAY RRB

GENERAL SCIENCE FOR SSC CGL AND RAILWAY RRB Set 17

 1.Element that is not found is blood is
a)iron
b)copper
c)chromium
d)magnesium

 2.Eyes of potato are useful for
a)nutrition
b)respiration
c)reproduction
d)Vegetative propagation

 3.Which of the following trees requires minimum water for its growth?
a)Babul
b)Eucalyptus
c)Mango
d)Guava

 4.Which metal is commonly used as an electromagnet?
a)Copper
b)Iron
c)Nickel
d)Cobalt

 5.If we go the Himalayas, we feel breathlessness because
a)it is very cold there
b)the density for air is much less on hills so oxygen content is reduced
c)the density of air is high on the hills reducing oxygen content
d)none of these

 6.Fish-plates are used in railway tracks
a)to avoid tracks being distorted due to temperature fluctuation
b)to control speed of the train
c)to connect two rails
d)to keep the rails equidistant

 7.Which of the following is not a chemical reaction?
a)Burning of coal
b)Digestion of food
c)Conversion of water into steam
d)Burning of paper

 8.The chief constituent of Gobar gas
a)Methane
b)Ethane
c)Propane
d)Chlorine

 9.Gelatin is added to ice-cream to
a)hasten freezing
b)avoid crystal formation
c)give flavour and taste
d)none of these

 10.Which of the following is a chemical change?
a)Evaporation of water
b)Burning of candle
c)Glowing of an electric bulb
d)Liquefaction of air

 11.Anatomy is the branch of science which deals with
a)structure of animals and plants
b)functioning of body organs
c)animals behaviour
d)cells and tissues

 12.Which of the following contains a water-soluble neurotoxin which causes lathyrism?
a)Masoor
b)Urad
c)Moong
d)Kesari

 13.Epilepsy is a disease of the
a)skin
b)nervous system
c)heart
d)respiratory system

 14.The largest cell in the human body is
a)nerve cell
b)muscle cell
c)liver cell
d)kidney cell

 15.Green house effect means?
a)pollution in houses in tropical regions
b)trapping of solar energy due to atmospheric oxygen
c)trapping of solar energy due to atmospheric carbon dioxide
d)cultivation in green house so as to check pollution

 16.The cause of temporary hardness of water is?
a)Calcium sulphate
b)Calcium bicarbonate
c)Magnesium Sulphate
d)Calcium chloride

 17.Which among the following is the largest part of the body?
a)Brain
b)Heart
c)Skin
d)Liver

 18.Bronze is an alloy of copper and ……..
a)nickel
b)tin
c)zinc
d)aluminium

 19.Minus 40 degree centigrade is equal to …… degree Fahrenheit.
a)104
b)122
c)−40
d)none of these

 20.The person of which of the following blood groups can accept the blood of any group?
a)AB
b)O
c)A
d)B


 

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