set 16 MCQ Questions & Answers Detailed Explanation

MOST IMPORTANT general science mcq - 16 EXERCISES

Top 30,000+ General Science Memory Based Exercises

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

Questions : The most important function of perspiration is to

(a) Regulate body water supply

(b) Get rid of body poison

(c) Regulate body temperature

(d) Keep the skin pores clear of dirt

The correct answers to the above question in:

Answer: (c)

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Question : 1

Which of the following qualities are useful for a cooking utensil?

a) Low specific heat and low thermal conductivity

b) High specific heat and high thermal conductivity

c) High specific heat and low thermal conductivity

d) Low specific heat and high thermal conductivity

Answer: (d)

A cooking utensil must heat up quickly and must transmit heat rapidly. Hence, it must have low specific heat and high thermal conductivity.

Question : 2

Consider the following natural phenomena.

  1. Terrestrial heating
  2. Reflection of light
  3. Refraction of light
  4. Diffraction of light
Due to which of these phenomena is mirage formed?

a) 1 and 3

b) 2, 3 and 4

c) 1 and 2

d) Only 4

Answer: (a)

Question : 3

Which one of the following is used for determining the structure of crystal?

a) UV rays

b) X-rays

c) Gamma rays

d) Visible lights

Answer: (b)

Question : 4

Which of the following statements is not true?

a) Air-conditioner and Air-cooler both maintain humidity

b) Air-conditioner maintains humidity but Air-cooler does not maintain humidity

c) Air-conditioner and Air-cooler both maintain temperature

d) Both control motion of air

Answer: (a)

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