A body can escape the gravitational pull of the earth if it is thrown up with a velocity of...? Mcqs

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A body can escape the gravitational pull of the earth if it is thrown up with a velocity of...?

(A) 25 miles per sec
(B) 60 miles per sec

(C) 7 miles per sec
(D) 10 miles per sec

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During night plants give out more ______...?

(A) Carbon Dioxide
(B) Oxygen

(C) Hydrogen
(D) Nitrogen

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Which planet in our solar system has the most gravity...?

(A) Jupiter
(B) Mercury

(C) Venus
(D) Neptune

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The process by which kidney stones are crushed with shock waves is called...?

(A) Laparoscopy
(B) Dementia

(C) Lithotripsy
(D) None of these

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Percentage of water in a tomato is__________...?

(A) 94%
(B) 90%

(C) 47%
(D) None of these

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The speed of the sound in air is ______...?

(A) 143 m/s
(B) 243 m/s

(C) 343 m/s
(D) 443 m/s

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The Temperature of the surface of Sun is_______...?

(A) 5,778 Kelvin
(B) 6,778 Kelvin

(C) 7,778 Kelvin
(D) 9,778 Kelvin

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At what time of day is the relative humidity normally at a minimum ________________ ...?

(A) When the air temperature is highest
(B) Just before sunrise

(C) About midnight
(D) When the air temperature is lowest

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What is an example of a synthesis reaction...?

(A) Water decomposing into Hydrogen and Oxygen
(B) Carbon combining with Oxygen to form Carbon Monoxide

(C) Nitrogen and Oxygen combining to form Nitrogen Dioxide
(D) Hydrogen and Oxygen combining to form water

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Techniques for manipulation of gene to achieve desirable characters are called...?

(A) Biotechnology
(B) Biochemistry

(C) Genomics
(D) Gene Therapy

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