The sun appears red at sunrise and sunset while it appears white at noon, because...? Mcqs

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The sun appears red at sunrise and sunset while it appears white at noon, because...?

(A) Of refraction
(B) It is cooler at sunrise and at sunset

(C) Of diffraction leading to red end of the spectrum reaching the earth.
(D) Of Scattering of light due to dust particles and air molecules.

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The pyramid of energy in any ecosystem is _________...?

(A) Always upright
(B) May be upright or invented

(C) Always inverted
(D) Always Circle

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Which take the shape and volume of a container they are placed in...?

(A) Liquids
(B) Gases

(C) Solids
(D) None

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Who came up with three laws of motion...?

(A) Galileo
(B) Albert Einstein

(C) Issac Newton
(D) Hubble

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Who invented Logarithm Tables...?

(A) John Napier
(B) John Doe

(C) John Harrison
(D) John Douglas

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Alkenes ______...?

(A) Show the same general formula as alkynes
(B) Have carbon-carbon triple bond

(C) Have carbon-carbon double bond
(D) Are saturated hydrocarbons

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When a standard is set for a quantity then standard quantity is called ____...?

(A) Unit
(B) Measurement

(C) Quantity
(D) Dimension

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In which color the hottest stars are appeared...?

(A) Red
(B) Blue

(C) Dark
(D) Green

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Why are soft drink made with chilled water rather than water at room temperature...?

(A) Ingredients dissolve better in chilled water
(B) Chilled water enhances the taste

(C) Chilled water attracts more carbon dioxide
(D) Chilled water is more hygienic

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The “Rising” of the “evening star” indicates the direction of the____________...?

(A) South Pole
(B) East

(C) West
(D) North

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