The depletion in Ozone layer is caused by ___________ .
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Glycol is used to manufacture which of the following ?
Oxygen molecule is ______.
Earth-worms belongs to the phylum
Which among the following have a perfect pair of sex chromosomes?
What genes are mutated to cause cancer?
Ghatotkacha (who ruled in the years 290–305 B.C.) was a king from which dynasty?
__________ is the 2016 Oscar Winner for Best Director.