Solved Everyday Science MCQs Quiz for FPSC, PPSC, NTS and other job tests. Everyday Science is an important subject with the point of view of job tests in Pakistan. People who are looking to attempt any job test should practice these questions. Everyday science Quiz is important for job tests. These MCQs are taken from Caravan General Knowledge book.
1. When water is filled in a bottle and is allowed to freeze, the bottle breaks because _____ ?
(a) Water expands on freezing
(b) Bottle contracts at the freezing point
(c) the temperature outside the bottle is less than that Inside the bottle
(d) None of the above
2. During a total solar eclipse, there is most likely to be _____ ?
(a) A decrease in the rate of photosynthesis
(b) An increase in the rate of photosynthesis
(c) A decrease in the rate of respiration
(d) No effect on either photosynthesis or respiration
3. The heating element of an electric heater is made up of _____ ?
(a) Tungsten
(b) Graphite
(c) Chromium
(d) Nichrome
4. In an oil lamp. the oil rises up in the wick due to _____ ?
(a) Capillary action
(b) Atmospheric pressure
(c) Viscosity of oil
(d) Change in temperature
5. Acid rain contains high levels of _____ ?
(a) Oxalic acid
(b) Acetic acid
(c) Sulphuric and nitric acids
(d) Carbolic acid
6. Which one of the following would give the highest energy per gram _____ ?
(a) Glucose
(b) Proteins
(c) Fats
(d) Sucrose
7. Which one of the following units represents the largest amount of energy ___ ?
(a) Calorie
(b) Joule
(c) Erg
(d) Electronvolt
8. A woman’s voice is shriller than a man’s due to ____ ?
(a) Higher frequency
(b) Higher amplitude
(c) Lower frequency
(d) Weak vocal chords
9. Which gas is used in the preparation of soft drinks _____ ?
(a) Oxygen
(b) Carbon dioxide
(c) Nitrogen
(d) Halogens
10. Why are soft drinks made with chilled water rather than water at room temperature _____ ?
(a) Ingredients dissolve better in chilled water
(b) Chilled water enhances the taste
(c) Chilled water attracts more carbon dioxide
(d) Chilled water is more hygienic
11. Coke is made by heating coal in the absence of air at _____ ?
(a) 700°C
(b) 900°C
(c) 1300 °C
(d) 1700 °C
12. In blood, the percentage of water is _____ ?
(a) 75%
(b) 85%
(c) 90%
(d) 95%
13. As the temperature of ice rises, the ice melts and its density _____ ?
(a) Decreases
(b) Remains constant
(c) Increases
(d) Increases up to 10 °C
14. Water is a universal solvent for what reactions _____ ?
(a) Physical
(b) Chemical
(c) Nuclear
(d) Biochemical
15. The volume percentage of nitrogen in air is _____ ?
(a) 60%
(b) 67%
(c) 74%
(d) 78%
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