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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What is a Geiger Counter used to measure...?

(A) Radioactivity
(B) Pressure

(C) Water flow
(D) None of these

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A radioactive decay can be represented as shown. 91Pa^233 ---> 92U^233 +...... The emitted particle is a/an...?

(A) α-emission
(B) β-emission

(C) γ-emission
(D) Proton

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Which of the following is/are the characteristics of reptiles...?

(A) Dry scaly skin
(B) Cold-blooded

(C) Lay eggs on land
(D) Lives in/on water/land

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First controlled fission of an atom was carried out in ________ on 1938....?

(A) U.S
(B) Germany

(C) Russia
(D) U.K

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Total number of moons in entire Solar System are:__________...?

(A) More than 100
(B) More Than 200

(C) More than 300
(D) More than 400

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Which of the following have maximum calorific value...?

(A) Carbohydrates
(B) Fats

(C) Proteins
(D) Vitamins

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How many ounces in a pound...?

(A) 10
(B) 12

(C) 14
(D) 16

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The promoter sites for...?

(A) initiation of replication
(B) Initiation of transcription

(C) Protein synthesis
(D) DNA repair

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The camel has a special water storage space in its...?

(A) Stomach
(B) Hump

(C) Liver
(D) None

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