The inert gas which is substituted for nitrogen in the air used by deep sea divers for breathing, is ________ ...? Mcqs

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The inert gas which is substituted for nitrogen in the air used by deep sea divers for breathing, is ________ ...?

(A) Argon
(B) Xenon

(C) Helium
(D) Krypton

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Vitamin C deficiency leads to:____________...?

(A) Scurvy
(B) Cold

(C) Cancer
(D) Rickets

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If the green leaves are placed under red light, their color will become________...?

(A) Green
(B) Black

(C) Red
(D) Blue

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Unit of surface tension in cgs system is...?

(A) Pascal
(B) N/m

(C) Dyn/cm
(D) None of these

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In group electron affinity values decreases from top to bottom because ______...?

(A) Atomic size normal
(B) Atomic size increases

(C) Atomic size decreases
(D) Atomic size same

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The average length of the kidney of a man is about...?

(A) 7cm to 8cm
(B) 8cm to 10 cm

(C) 10cm to 13 cm
(D) 13cm to 16cm

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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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Which of the following is not an enzyme...?

(A) Chemotrypsin
(B) Secretin

(C) Pepsin
(D) none

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What fear do people with haphephobia have...?

(A) fear of dogs
(B) fear of helicopters

(C) fear of touch
(D) fear of houses

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Twinkling of stars is caused by ...?

(A) Reflection of light
(B) Polarization of light

(C) refraction of light
(D) Interference of light

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