Solved Everyday Science MCQs Quiz for NTS, PPSC, CSS and FPSC Set 4

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. What is ‘Steaith Technology’ _____ ?

(a) A device which when attached to an aircraft makes it invisible on the radar
(b) A coating which reduces the visibility of an aircraft on a radar
(c) A technology by which it is possible for the aircrafts to spy on the enemy air-space
(d) A technology by using which paratroopers can be dropped stealthily behind the enemy columns.

2. The primary function of the feathers in birds is to _____ ?

(a) Provide insulation for preserving body heat
(b) Provide striking surface to the wings for flying
(c) Make the body surface waterproof
(d) impart colouration for species as well as sex recognition

3. The rear-view mirror of a motor vehicle is ____ ?

(a) Concave
(b) Plane
(c) Convex
(d) Biconcave

4. Lead bail falls through water more slowly than through air because of ____ ?

(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) 0f the surface tension of water

5. A Fahrenheit thermometer indicates a temperature of 14°F. Its corresponding reading on the Celsius scale will be _____ ?

(a) 20°C
(b) -10°c
(c) + 10°C
(d) + 20°C

6. Which one of the following sets of colour combinations is added in colour vision on TV _____ ?

(a) Red, green and blue
(b) Orange, black and violet
(c) White, red and yellow
(d) Yellow, green and blue

7. 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) Fail away from the train
(c) Fall towards the train
(d) Fall away from or towards the train depending upon the speed

8. Water is a highly effective coolant for a car engine because of _____ ?

(a) Water is the good conductor of heat
(b) Water has the very high specific heat capacity
(c) Water boils at a comparatively high temperature
(d) Evaporation of water produces a lot of cooling

9. 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

10. 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) Galvanisation
(d) Vulcanisation

11. 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 

12. Detergents dissolved in water help in cleaning clothes by _____ ?

(a) Increasing the temperature of the water
(b) Reacting chemically with dirt
(c) Reducing the surface tension of water
(d) Dissolving dirt

13. The absorption of ink by blotting paper involves _____ ?

(a) Viscosity of ink
(b) Capillary action phenomenon
(c) Diffusion of ink through the blotting
(d) Syphon action

14. Materials for rain-proof coats and tents owe their waterproof properties to ______ ?

(a) Surface tension
(b) Viscosity
(c) Specific gravity
(d) Elasticity

15. A satellite moving around the earth with a uniform speed has ______ ?

(a) An accelerated motion
(b) No acceleration at all
(c) Uniform acceleration
(d) Uneven acceleration

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