Which isotope is used to determine the accumulation rates of pollutants in layers of soil...? Mcqs

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Which isotope is used to determine the accumulation rates of pollutants in layers of soil...?

(A) Phosphorus - 32
(B) Carbon - 14

(C) Lead - 210
(D) Nitrogen - 15

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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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In which part of the eye lies the pigment that decides the colour of the eyes of a person___...?

(A) Retina
(B) Iris

(C) Cornea
(D) Pupal

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The earth rotates on its axis. It completes one rotation in...?

(A) 36 hours
(B) 24 hours

(C) 12 hours
(D) 48 hours

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_______ bacterial disease affects Eye...?

(A) Trachoma
(B) Rickets

(C) Osteoporosis
(D) Gum disease

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DNA is _____________...?

(A) Acetic Acid
(B) A class of nucleic acids

(C) Citric Acid
(D) None of these

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Never connect ohm meter on ___ circuits ....?

(A) Open
(B) short

(C) Live
(D) Inductive

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The audible range of normal whale ear is _____...?

(A) 16 Hz to 20kHz
(B) 10 Hz to 31kHz

(C) 67 Hz to 45kHz
(D) 20 Hz to 20kHz

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Example of gas having monoatomic molecules is ___________ ...?

(A) Nitrogen
(B) Nydrogen

(C) Neon and argon
(D) Oxygen and nitrogen

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According to quantum theory of light, photons are _______...?

(A) Waves
(B) Particles

(C) Energy packets
(D) Electromagnetic

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