Everyday Science Mcqs for the preparation of NTS, PPSC, SPSC, BPSC, KPSC, FPSC, OTS and other academic entry test and jobs tests.
41. What is the only element that burns with nitrogen
(a) Fluorine
(b) Titanium
(c) Antimony
(d) Manganese
42. What is the meaning of the term ‘Myopia’
(a) Photosensitive
(b) Long-sighted
(c) Short-sighted
(d) Tunnel-vision
43. What is the heaviest metallic element
(a) Lead
(b) uranium
(c) osmium
(d) iridium
44. What organelle is known as the ‘brain’ of the cell
(a) Nucleus
(b) Mitochondria
(c) Chloroplast
(d) Cell membrane
45. One horsepower is equal to
(a) 736 watts
(b) 746 watts
(c) 748 watts
(d) 756 watts
46. Greenhouse effect is due to increase in
(a) Atmospheric CO2 levels
(b) Atmospheric S02 levels
(c) Soil organic content
(d) Soil nitrogen
47. Photosynthesis involves
(a) Reduction of CO2 and oxidation of water
(b) Oxidation of H2O and release of O2
(c) Reduction of CO2, oxidation H2O and release of O2
(d) Reduction of CO2, oxidation of H2O and release of O2
48. What color of visible light is the shortest in wavelength
(a) Violet
(b) Blue
(c) Red
(d) Green
49. The lenses which is used in photography is
(a) Convex lenses
(b) Plastic lenses
(c) Concave lenses
(d) None of these
50. Which one of the following elements is extensively used in electronics
(a) Zirconium
(b) Silicon
(c) Selenium
(d) Sodium
51. An electric bulb produces loud sound when broken because
(a) Air rushes into the partial vacuum in the bulb
(b) The gas inside it explodes
(c) The glass is brittle
(d) The gas inside it suddenly expands
52. What is the chief symptom of the visual disorder known as diplopia
(a) Double vision
(b) Blindness
(c) Seeing red spots
(d) Tired eyes
53. Which is the rarest element in world
(a) Astatine
(b) Uranium
(c) Thorium
(d) Radium
54. Which of the following is the most toxic gas
(a) Carbon dioxide
(b) Carbon monoxide
(c) Nitrogen dioxide
(d) Carbon & Nitrogen
55. The minimum volume of water is at a temperature of —-degree Celsius
(a) 4
(b) 5
(c) 6
(d) 7
56. Convex lenses are used for the correction of
(a) Long-sightedness
(b) Short-sightedness
(c) Cataract
(d) None of these
57. Filtration of wastes from the blood in human body is done by
(a) Kidney
(b) Lungs
(c) Heart
(d) Brain
58. How many yards make a furlong
(a) 220
(b) 440
(c) 100
(d) 200
59. Fat is digested in which part of body
(a) Small intestine
(b) Mouth
(c) Large intestine
(d) Spleen
60. The gas used for artificial ripening of green fruits
(a) Acetylene
(b) Methane,
(c) Ethane
(d) Butane
