Prepare for your upcoming test with Everyday Science MCQs and their Answers. We have compiled essential questions on various aspects of Everyday Science, including Biology, Chemistry, Atmospheric Studies, General Physics, Environmental Science, and Scientific facts. Most repeated Everyday Science MCQ section frequently encountered in CSS, PMS, Inspector, ASI, Sub-inspector, Constable, FPSC, PPSC, ETEA, FIA, Police, Army, Navy, Airforce, IB, MOFA, ASF, LHC, Educators, and various other competitive exams, as well as government and private job assessments.
21. The rear view mirror of a motor vehicle is ________?
A. Concave
B. Plane
C. Convex
D. Biconcave
22. Lead ball falls through water more slowly than through air because __________?
A. The value of ‘g’ is less in water
B. Density of air is less than that of water
C. Of the viscous force in water
D. Of The surface tension of water
23. A Fahrenheit thermometer indicates a temperature of ‘ 14°F. its corresponding reading on the Celsius scale will be _________?
A. – 2O°C
B. – 10°C
C. + 10°C
D. + 20°C
24. Which one of the following sets of color combinations is added in color vision in TV’?
A. Red, green and blue
B. Orange, back and violet
C. White. red and yellow
D. Yellow, green and blue
25. 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 towards the train
D. Fall away from or towards the train depending upon the speed
26. 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. Water boils at a comparatively high temperature
D. Evaporation of water produces lot of cooling
27. 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. Steam is at a higher pressure
28. 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. Vulcanization
29. 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 the hair
D. None of the above
30. 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. Dissolving dirt