Kaleidoscope was invented by ________.
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Which among the following is not a characteristic of oxidation reaction?
In a majority of flowering plants, out of the four megaspores, what is the ratio of functional and degenerate megaspores?
Which of the following country doesn't matches to its famous tourist place?
Raymond Samuel Tomilson is famous for developing which of the following?
Which committee was set up to review the concept of the poverty line?
Ideas of welfare state are contained in
Helium is added to the oxygen supply of deep sea divers because it is _________