Every Day Science Section-3 | Multiple Questions and Answers

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Every Day Science Section-3 Multiple Questions and Answers.

21.	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 surface body waterproof
	D.	None of these

22.	The rear view mirror of a motor vehicle is :

	A.	Concave
	B.	Plane
	C.	Convex
	D.	Karnataka

23.	Lead ball falls through water more slowly than through air because :

	A.	The value of â€˜gâ€™ is less than water
	B.	Density of air is less than that of water
	C.	Of the viscous force in water
	D.	None of these

24.	A Fahrenheit thermometer indicates temperature of 14Â°F. Its corresponding reading on the Celsius scale will be:

	A.	-20C
	B.	-10C
	C.	+10C
	D.	+40C

25.	Which one of the following sets of colour combinations is added in colour vision in TV?

	A.	Red, green and blue
	B.	Orange, black and violet
	C.	White , red and yellow
	D.	orange , red and yellow

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