The audible range of normal whale ear is _____...? Mcqs

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The audible range of normal whale ear is _____...?

(A) 16 Hz to 20kHz
(B) 10 Hz to 31kHz

(C) 67 Hz to 45kHz
(D) 20 Hz to 20kHz

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The splitting of white light into its component colours is called ____...?

(A) Refraction of light
(B) Reflection of light

(C) Dispersion of light
(D) Diffraction of light

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Which of the following are the layers of the body wall in sponges...?

(A) Pinacoderm and mesoderm
(B) Pinacoderm and choanoderm

(C) Epidermis and choanoderm
(D) Pinacoderm and ectoderm

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One Gross is equal to___________...?

(A) 5 Dozen
(B) 10 Dozen

(C) 12 Dozen
(D) None of them

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kilohertz (kHz) is a unit which measures...?

(A) Power used by a current of one ampere
(B) Electromagnetic radio wave frequencies

(C) Voltage
(D) Electric resistance

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The Structure in a cell which contains the genes is called:...?

(A) Genetics
(B) Saliva

(C) Marrow
(D) Chromosome

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Night vision is possible with the help of ___________...?

(A) Red light
(B) Violet light

(C) Infrared Rays
(D) Ultra violet Light

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The spray bottles used as window or household cleaner or perfume spray works on: __________...?

(A) Capillary action
(B) Bernoulli’s Principle

(C) Pascal’s Law
(D) Stoke’s Law

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The difference in the duration of day and night increases as one moves from:_________...?

(A) West to East
(B) East and west of the prime meridian

(C) Equator to poles
(D) None of these

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In an Electric circuit when Electrons move from low to high potential they will _______...?

(A) Gain Energy
(B) Lose their identity

(C) Lose Energy
(D) Gain Potential

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