When sound travels through air, the air particles _____...? Mcqs

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When sound travels through air, the air particles _____...?

(A) Vibrate along the direction of wave propagation
(B) Vibrate perpendicular to the direction of wave propagation

(C) Vibrate but not in any fixed direction
(D) Vibrate and move in a straight line

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The outermost layer of the sun is called...?

(A) Fotofera
(B) Corona

(C) Core
(D) Cromosfera

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The season changes because of the ____________...?

(A) Moon is revolving round the earth
(B) Earth is revolving round its axis

(C) Earth is revolving round the sun
(D) Planet Mars is attracting the sun

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Cancer can be treated by ...?

(A) Antibiotics & vaccines
(B) Radiotherapy & antibiotics

(C) Chemotherapy & radiotherapy
(D) Antibiotics & Chemotherapy

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The substance that are added in the soil to make up any deficiency of nutrients are called...?

(A) Pesticides
(B) Herbicides

(C) Manure
(D) Fertilizers

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Which of the following letter does not represent in periodic table...?

(A) X
(B) K

(C) J
(D) N

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In order to prevent the corrosion of iron pipes they are often coated with a layer of zinc. This process is termed as____________...?

(A) Electroplating
(B) Annealing

(C) Galvanization
(D) Vulcanization

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Scientific Name of Human is____________...?

(A) Homo sapiens
(B) Mono sapiens

(C) Bio sapiens
(D) Cosmopolitan

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The most brightest planet amongst the eight planets...?

(A) Mercury
(B) Jupiter

(C) Venus
(D) Neptune

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The blind spot is located at the ___________ of the eye ...?

(A) pupil
(B) vitreous humor

(C) aqueous humor
(D) optic disc

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