The speed of sound in air at sea level is approximately____________...? Mcqs

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The speed of sound in air at sea level is approximately____________...?

(A) 300 meter per second
(B) 320 meter per second

(C) 340 meters per second
(D) 370 meter per second

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Detergents dissolved in water help in cleaning clothes by_________...?

(A) Increasing the temperature of water
(B) Reacting chemically with dirt

(C) Reducing the surface tension of water
(D) Dissolving dirt

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Which are called body building foods...?

(A) Carbohydrate
(B) Protein

(C) Vitamin
(D) Mineral

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Trachoma is the disease of the________ ...?

(A) Brain
(B) Spinal cord

(C) Larynx
(D) Eye

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The PH of milk is _______...?

(A) 6.0
(B) 6.5

(C) 7.0
(D) 7.5

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Select the arrangement of electromagnetic radiation which starts with the lowest energy and increases to greatest energy...?

(A) radio, visible, infrared, ultraviolet, x-ray, gamma ray
(B) radio, infrared, visible, x-ray, gamma ray, ultraviolet

(C) visible, radio, infrared, ultraviolet, x-ray, gamma ray
(D) radio, infrared, visible, ultraviolet, x-ray, gamma ray

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Which of the following is nutritional deficiency disease...?

(A) Albinism
(B) Cirrhosis

(C) Rabies
(D) Pellagra

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Which substance expands the most; for the same rise in temperature...?

(A) Water
(B) Air

(C) Copper
(D) Class

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What happens when two same poles of magnets are brought close to each other...?

(A) They attract
(B) They make an electric current flow

(C) They repel
(D) None

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What does A1C measure in the blood test...?

(A) total cholestrol
(B) blood sugar level for three months

(C) fructosamine
(D) muscle strength

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