Sound of frequency below 20 Hz is:___________...? Mcqs

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Sound of frequency below 20 Hz is:___________...?

(A) Audiosonic
(B) Infrasonic

(C) Ultrasonic
(D) Supersonic

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The earth surface & crust constantly evolving due to ...?

(A) Rotary cycle
(B) Normal cycle

(C) Rock cycle
(D) Change cycle

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Big Bang theory explains_____________...?

(A) Origin of Universe
(B) Origin of Sun

(C) Laws of physics
(D) None of above

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Heat transfer horizontally within the atmosphere is called...?

(A) Conduction
(B) Convection

(C) Absorption
(D) Advection

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Which pulls objects towards earth...?

(A) Gravity
(B) Friction

(C) Force
(D) Mass

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Apiculture refers to___________...?

(A) Rearing silk worms
(B) Science of bee keeping

(C) Science of gardening
(D) Science of cultural norms and trends

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A Rhinoscope (or Nasoscope) is a thin, tube-like instrument used to examine the inside of the_____...?

(A) Eyes
(B) Nose

(C) Ears
(D) Brains

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Identify the instrument used to see the small organism, which we cannot see with naked eyes...?

(A) Telescope
(B) Microscope

(C) Binoculars
(D) Spectrometer

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which is the second brightest star in the Universe...?

(A) Betelgeuse
(B) Vega

(C) Canopus
(D) None of these

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Which of the following is used to control rods in nuclear fission...?

(A) Graphite
(B) Heavy Water

(C) Cadmium
(D) All of these

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