set 5 MCQ Questions & Answers Detailed Explanation

MOST IMPORTANT general science mcq - 16 EXERCISES

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The following question based on light, heat, thermodynamics, wave motion, sound, optics & oscillations topic of general science mcq

Questions : Fruit stored in a cold chamber exhibit longer storage life because

(a) Concentration of carbon dioxide in environment is increases

(b) Rate of respiration is decreased

(c) Exposure to Sunlight is prevented

(d) There is increase in humidity

The correct answers to the above question in:

Answer: (b)

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Read more light heat thermodynamics wave sound optics oscillation Based General Science Questions and Answers

Question : 1

Which type of image of an object is formed by eye lens of the retina?

a) Inverted and Real

b) Erect and Virtual

c) Erect and Real

d) Inverted and Virtual

Answer: (a)

Question : 2

For reproducing sound, a CD (Compact Disc) audio player uses a

a) Laser beam

b) Titanium needle

c) Quartz crystal

d) Barium titanic ceramic

Answer: (a)

Question : 3

When we see the sky from a plane in high altitude, then it seems

a) White

b) Black

c) Blue

d) Red

Answer: (b)

Question : 4

Which of the following lens is used to minimize Myopia?

a) Cylindrical lens

b) Concave lens

c) Convex lens

d) None of the above

Answer: (b)

Question : 5

Television signals cannot be received beyond a certain distance because

a) Air absorbs signals

b) Antenna is weak

c) Signals are weak

d) The surface of the Earth is curved

Answer: (d)

Question : 6

The tolerable limit of noise for human being is around

a) 85 decibel

b) 125 decibel

c) 45 decibel

d) 155 decibel

Answer: (a)

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