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Everyday Science MCQs
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411.Diameter of Sun is____?
412.Diamond is a very expensive ornament. It is composed of a single element ____?
413.Diamond is an allotropic form of____?
414.Diamond is harder than Graphite because of____?
415.Diamonds are made up almost entirely of what element?
416.Dielectric constant of water is?
417.Diesel engine was discovered by____?
418.Digestion of food is completed in the ____?
419.Dinosaurs and many other species were extinct about ____ years ago.
420.Dioptre is a unit of measurement for ____ ?