Everyday Science Mcqs for the preparation of NTS, PPSC, SPSC, BPSC, KPSC, FPSC, OTS and other academic entry test and jobs tests.
21. What color of visible light is the longest in wavelength
(a) Violet
(b) Blue
(c) Red
(d) Green
22. The ink of the pen leaks out in an aero-plane because
(a) Atmospheric pressure increases
(b) Pressure of ink inside is more than the ambient pressure
(c) High speed of aeroplane
(d) Temperature difference
23. The gases which are used by divers as an artificial atmosphere are helium and
(a) Nitrogen
(b) Oxygen
(c) Carbon monoxide
(d) Neon
24. Oil rises up the wick in a lamp. The principle involves
(a) The diffusion of oil though the wick
(b) The liquid state of oil
(c) Capillary action phenomenon
(d) Volatility of oil
25. Magnetic field is measured by
(a) Flux meter
(b) Newton’s law
(c) Boyle Law
(d) Flux Rule
26. Acid rain contains high levels of
(a) Oxalic acid,
(b) Acetic acid
(c) Sulphuric and nitric acids
(d) Carbolic acid
27. Which is the largest cell in the human body
(a) Nerve cell
(b) Muscle cell
(c) Liver cell
(d) Kidney cell
28. Which gas is used in the preparation of soft drinks
(a) Carbon dioxide
(b) Oxygen
(c) Nitrogen
(d) Halogens
29. Plaster of Paris is made from
(a) Gypsum
(b) Iron
(c) Aluminum
(d) Plastics
30. What do you call the positive electrode of an electric cell
(a) Diode
(b) Anode
(c) Grid
(d) Cathode
31. Who invented the first stethoscope
(a) Lewis Latimer
(b) Rene Laennec
(c) Robert Ledley
(d) Irving Langmuir
32. What part of the stamen of a flower bears the pollen grains
(a) Filament
(b) ovary
(c) anthurium
(d) anther
33. Which of the following takes place due to surface tension
(a) Gravitational pull
(b) Capillary action
(c) Viscosity
(d) Radiation
34. Plutonium is used as
(a) Fuel for nuclear fission
(b) Fuel for nuclear fusion
(c) Source of chemical energy
(d) Source of light energy
35. What is white light made from
(a) very small water droplets
(b) intense blue light
(c) just that, white light
(d) a mixture of many other light colors
36. What do you call the negative electrode of an electric cell
(a) Diode
(b) Anode
(c) Grid
(d) Cathode
37. Law of floating bodies was given by
(a) Archimedes
(b) Galileo
(c) Copernicus
(d) Plotly
38. Which acid is used in a car battery
(a) Hydrochloric acid
(b) Carbonic acid
(c) Sulphuric acid
(d) Nitric acid
39. There is no neutron in the atom of
(a) Carbon
(b) Nitrogen
(c) Hydrogen
(d) Ozone
40. What do letters CT stand for
(a) Computer tomes
(b) Computerized tomography
(c) Cranial test
(d) Cribriform time
