Everyday Science Online Test For Competitive Exam Practice

General Science Quiz 15

1 / 20

A satellite moving round the earth with a uniform speed has ______?

A. An accelerated motion

B. No acceleration at all

C. Uniform acceleration

D. Uneven acceleration

2 / 20

Materials for rain-proof coats and tents owe their water proof properties to________?

A. Surface tension

B. Viscosity

C. Specific gravity

D. Elasticity

3 / 20

The absorption of ink by blotting paper involves _______?

A. Viscosity of ink

B. Capillary action phenomenon

C. Diffusion of ink through the blotting

D. Siphon action

4 / 20

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

5 / 20

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

6 / 20

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

7 / 20

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

8 / 20

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

9 / 20

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

10 / 20

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

11 / 20

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

12 / 20

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

13 / 20

The rear view mirror of a motor vehicle is _____?

A. Concave

B. Plane

C. Convex

D. Biconcave

14 / 20

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 coloration for species as well as sex recognition

15 / 20

What is ‘Stealth 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 radar

C. A Technology by which it is possible for the aircraft’s to spy in the enemy air-space

D. A technology by using which paratroopers can be dropped stealthily behind the enemy columns.

16 / 20

Bats can also fly in dark because they are capable of taking the help of _________?

A. Ultraviolet Waves

B. Ultrasonic Waves

C. Electromagnetic Waves

D. Special Retina

17 / 20

The Green House Effect is caused by an excess of ?

A. Carbon dioxide

B. Carbon monoxide

C. Carbon tetrachloride

D. None of the above

18 / 20

T.V. transmission cannot cover a very large area because

A. the strength of T.V. waves is very limited

B. picture cannot be transmitted clearly after a specific distance

C. the shape of the earth is spherical

D. the air is not a good conductor of light and sound/waves

19 / 20

The cow’s milk contains how much amount of water in terms of percentage?

A. 60%

B. 65%

C. 72%

D. 80%

20 / 20

Most of the ozone in the atmosphere is concentrated in the ______?

A. Mesosphere

B. Troposphere

C. Stratosphere

D. ionosphere

Your score is

The average score is 56%

There are total twenty mcqs in this important everyday science online test with answers for one paper preparation.

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Also Read: General Knowledge MCQs and Everyday Science MCQs

Everyday SCIENCE QUIZ 15

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