Humans can hear in the range of ______ to _______Hertz (Hz)....? Mcqs

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Humans can hear in the range of ______ to _______Hertz (Hz)....?

(A) 10 Hz to 10,000 Hz.
(B) 20 Hz to 20,000 Hz.

(C) 30 Hz to 30,000 Hz.
(D) 40 Hz to 40,000 Hz.

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Hygrometer is used for measuring the ______...?

(A) Humidity of air
(B) Speed of sound

(C) Density of milk
(D) Specific gravity of liquids

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The process which converts carbon dioxide into glucose is known as...?

(A) Photosynthesis
(B) Respiration

(C) Decomposition
(D) None

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Which one of the following is a non-luminous object(s)...?

(A) Sun
(B) Stars

(C) Moon
(D) Fireflies

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The splitting of a heavy nucleus into smaller nuclei is called...?

(A) Fusion
(B) Fission

(C) Half-life
(D) Gamma decay

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Who invented the telescope...?

(A) Isaac Newton
(B) Albert Einstein

(C) Galileo Galilei
(D) Johannes Kepler

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The symbol denotes the proton number is ______...?

(A) P
(B) N

(C) Z
(D) A

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In human osmoregulation takes place by___________...?

(A) Liver
(B) Kidney

(C) Spleen
(D) Lungs

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What is the warmest Ocean...?

(A) Pacific Ocean
(B) Atlantic Ocean

(C) Arctic Ocean
(D) Indian Ocean

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An optical instrument used to measure the properties of visible light is called...?

(A) Spectroscope
(B) Telescope

(C) Microscope
(D) Binoculars

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