The audible range of normal human ear is ____...? Mcqs

Latest MCQs

The audible range of normal human 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 harvesting is most important step of ______...?

(A) Preparation of soap
(B) Preparation of cold drinks

(C) Preparation of sugar
(D) Preparation of medicines

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The unit to measure the quantity of Ozone in atmosphere is...?

(A) Dobson
(B) Dalton

(C) Cuolomb
(D) none

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Which is the nearest star to our sun...?

(A) Proxima Centurai
(B) Alpha Scorpii

(C) Beta Orionis
(D) Vega

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In how many days pluto revolves around the sun _____...?

(A) 88 years
(B) 248 years

(C) 12 years
(D) 84 years

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Which gas is used in preparation of Soda water...?

(A) Ammonia
(B) Hydrogen

(C) Nitrogen
(D) Carbon Dioxide

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Burning of Fossil Fuels Results In ____________...?

(A) Increased oxygen level
(B) Decreases greenhouse gases

(C) Increased greenhouse gases
(D) Increased ethane level

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Fats are solids at ______...?

(A) Ordinary room temperature
(B) High temperature

(C) Higher than 50°C temperature
(D) N.O.T

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Some fruits like mango, lemon, raw grapes, oranges, etc have a sour taste to the presence of _____...?

(A) Tartaric acid
(B) Malic acid

(C) Oxalic acid
(D) Citric acid

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A substance which increases the efficiency of a catalyst is termed as:...?

(A) Promoter
(B) Activator

(C) Retarder
(D) Super catalyst

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