The most densest substance on the Earth is __________....? Mcqs

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The most densest substance on the Earth is __________....?

(A) Platinum
(B) Copper

(C) Steel
(D) Osmium

Latest MCQs

Which of the following is an example of a solution...?

(A) Sand and water
(B) Oil and water

(C) Sugar and water
(D) Salt and air

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Electron has a much shorter wavelength than visible light, and this allows electron microscopes to produce _____ images....?

(A) Lower-resolution
(B) Higher-magnification

(C) Equal-resolution
(D) Higher-resolution

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An egg sinks in soft water but floats in a concentrated solution of salt because...?

(A) egg absorbs salt from the solution and expands
(B) albumin dissolves in salt solution and egg becomes lighter

(C) the density of salt solution exceeds the density of eggs
(D) water has high surface tension

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On the Moon, the escape velocity is: __________...?

(A) Less than on Earth due to its lower mass and smaller radius
(B) More than on Earth due to its smaller radius

(C) The same as on Earth because escape velocity is a constant
(D) Dependent on the time of day

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Microphone converts sound energy into ___________...?

(A) Microwaves
(B) Electrical signals

(C) Optical Signals
(D) Heat energy

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The complete graph of human genome was studied by ______...?

(A) PCR
(B) HGP (Human Genome project)

(C) Medicine
(D) Soma-clonal

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Naked-seeded plants are...?

(A) Angiosperms
(B) Gymnosperms

(C) Bryophytes
(D) Pteridophytes

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Parkinson is a disease of____________...?

(A) Eyes
(B) Brain

(C) Heart
(D) Lungs

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What are the reactants in the reaction: CH4 + 2O2 → CO2 + 2H2O...?

(A) Methane and Oxygen
(B) Carbon dioxide and Water

(C) Hydrogen and Oxygen
(D) Carbon and Water

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