Government CDS Question:

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By which one of the following, an old written material which cannot be read easily, can be read?
(A) γ–rays
(B) X–rays
(C) IR–rays
(D) Radiofrequency waves

Government CDS Interview Question
Government CDS Interview Question

Answer:

(B) X–rays

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Which one of the following is used as a mordant in dyeing and tanning industry?
(A) Magnesium oxide
(B) Magnesium carbonate
(C) Magnesium chloride
(D) Magnesium sulphate		Which one of the following characteristics is common among parrot, platypus and kangaroo?
(A) Oviparity
(B) Toothless jaws
(C) Homothermy
(D) Functional postanal tail