Richer Scale is used for measuring _____...? Mcqs

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Richer Scale is used for measuring _____...?

(A) Strength of an earthquake
(B) Sound waves

(C) Pollution of atmosphere
(D) None of these

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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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First antibiotic was extracted from a _________...?

(A) Bacteria
(B) virus

(C) Fungus
(D) None of these

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Which among the following is the correct sequence of the various layers of the Atmosphere from the Earth’s surface...?

(A) Ionosphere, Mesosphere, Stratosphere, Troposphere
(B) Mesosphere, Stratosphere, Ionosphere, Troposphere

(C) Troposphere, Stratosphere, Mesosphere, Ionosphere
(D) Troposphere, Ionosphere, Stratosphere, Mesosphere

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Who discovered the Polio Vaccine...?

(A) Jonas Salk
(B) Jaber Ibn Hayan

(C) Selman Waksman
(D) None of these

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The additional circular small piece of DNA in bacterial cell is called ____...?

(A) Plasmids
(B) Replica

(C) Template
(D) Clone

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The evaporation of water from aerial parts of the plant especially through leaves is called...?

(A) Translocation
(B) Photosynthesis

(C) Respiration
(D) Transpiration

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Water vapour beyond the dew point result in_________...?

(A) Precipitation
(B) Hailstorm

(C) Condensation
(D) Formation of ice

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Sunsets on Mars are _________...?

(A) Red
(B) Blue

(C) Yellow
(D) Orange

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What is the main composition of the sun...?

(A) Oxygen and Ammonia
(B) Hydrogen and Helium

(C) Hydrogen and Oxygen
(D) Methane and Hydrogen

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