Which of the following is correct for the simple machines...? Mcqs

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Which of the following is correct for the simple machines...?

(A) Simple machines magnify the force you use
(B) Simple machines change the direction of the force

(C) Simple machines make things go faster
(D) Simple machines make things move slower

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The protein Improtin-11, that was recently identified by scientists, is linked with causing which type of cancer...?

(A) Blood Cancer
(B) Colorectal Cancer

(C) Lung Cancer
(D) Prostate Cancer

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A definite area or a space where some thermodynamic process takes place is known as...?

(A) Thermodynamic system
(B) Thermodynamic cycle

(C) Thermodynamic process
(D) Thermodynamic law

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The number of spark plugs needed in a diesel engine is ______...?

(A) Zero
(B) 1

(C) 2
(D) 4

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H5N1 virus is caused of_______...?

(A) AIDs
(B) fever

(C) Bird flu
(D) non

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The Velocity of light in a diamond is (whereas the refractive index of a diamond with respect to vacuum is 2.5)...?

(A) 5x10^8m/s
(B) 2.5x10^8m/s

(C) 1.2x10^10m/s
(D) 1.2x10^8m/s

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Which animal have a thick layer of fat under their skin which protects them from the cold temperature of the sea...?

(A) Blue Whale
(B) Starfish

(C) Crocodile
(D) None

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The automatic process of altering focus to get sharper image of near object is ______...?

(A) Vision
(B) Accommodation

(C) Focus
(D) All of these

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How many proton and neutron are present in the nucleus of Tritium isotope...?

(A) 2 and 1
(B) 1 and 2

(C) 3 and 2
(D) 4 and 1

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The colour of an opaque or non-luminous object is the colour of light it _____...?

(A) Absorbs
(B) Reflects

(C) Transmits
(D) Refracts

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