What percentage of plasma is composed of water...? Mcqs

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What percentage of plasma is composed of water...?

(A) 70%
(B) 80%

(C) 90%
(D) 92%

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Latest MCQs

Vertical columns in the periodic table of elements are called as__________...?

(A) Periods
(B) Groups

(C) Rows
(D) Lanthanoids series

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Latest MCQs

Amnesia is related to:__________...?

(A) Sleeping sickness
(B) Loss of sight

(C) Loss of hearing
(D) Loss of memory

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Vitamin E reduces the requirement of _________ ....?

(A) Iron
(B) Zinc

(C) Selenium
(D) Magnesium

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Selenology is the study of __________...?

(A) Stars
(B) Galaxy

(C) Moon
(D) Planets.

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Which one of the following is correct statement...?

(A) Oxidation occurs at cathode
(B) Reduction occurs at anode

(C) Reduction occurs at cathode
(D) Ions lose electrons at cathode

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Mass of Earth is _____...?

(A) 6.0 x 10^23 kg
(B) 6.0 x 10^24 kg

(C) 6.0 ´ 10^25 kg
(D) 6.0 ´ 10^26 kg

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Which of the following is a substance...?

(A) Sea water
(B) Brass

(C) Tape water
(D) Graphite

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The difference in the duration of day and night increases as one moves from:_________...?

(A) West to East
(B) East and west of the prime meridian

(C) Equator to poles
(D) None of these

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1 light year = ...?

(A) 9.5×106 km
(B) 9.5×109 km

(C) 9.5×1012 km
(D) 9.5×1018 km

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