Everyday Science Mcqs CSS,PMS,Fpsc,IB Test Preparation

Q: A train goes past a railway station at a high speed. A young boy standing on the edge of the platform is likely to
(a) Remain unaffected
(b) Fall away from the train
(c) Fall toward the train
(d) None of these
View Answer
(c) Fall toward the train
Q: Water is a highly effective coolant for a car engine because
(a) Water is good conductor of heat
(b) Water has very high specific heat capacity
(c) Evaporation of water produces lot of cooling
(d) None of these
View Answer
(a) Water is good conductor of heat
Q: Scalding with steam is more severe than scalding by boiling water because
(a) Steam can penetrate the skin
(b) Steam is at a higher temperature
(c) Steam contains more energy than boiling water
(d) None of these
View Answer
(c) Steam contains more energy than boiling water
Q: In order to prevent the corrosion of iron pipes they are often coated with a layer of zinc. This process is termed as
(a) Electroplating
(b) Annealing
(c) Galvanization
(d) None of these
View Answer
(c) Galvanization
Q: The cracking sound heard when dry hair is combed with a hard rubber comb is due to
(a) The hair barging against the charged comb
(b) Small electric sparks
(c) The rubbing of the comb with hair
(d) None of these
View Answer
(d) None of these
Q: Detergents dissolved in water help in cleaning clothes by
(a) Increasing the temperature of water
(b) Reacting chemically with dirt
(c) Reducing the surface tension of water
(d) None of these
View Answer
(c) Reducing the surface tension of water
Q: The absorption of ink by blotting paper involves
(a) Viscosity of ink
(b) Capillary action phenomenon
(c) Diffusion of ink through the blotting
(d) None of these
View Answer
(b) Capillary action phenomenon
Q: Materials for rain-proof coats and tents owe their water proof properties to
(a) Surface tension
(b) Viscosity
(c) Specific gravity
(d) None of these
View Answer
(c) Specific gravity
Q: For being able to see three-dimensional pictures we have to use
(a) A binocular
(b) A camera
(c) An epidiascope
(d) None of these
View Answer
(b) A camera
Q: Water has maximum density at
(a) 0 C
(b) 4 C
(c) 4.8 C
(d) None of these
View Answer
(c) 4.8 C
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