Four words are given, out of which only one word is spelt correctly. Choose the correctly spelt word and click the button corresponding to it.
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In each of the questions, four alternatives are given for the Idiom/Phrase. Choose the alternative which best expresses the meaning of the Idiom/Phrase and click the button corresponding to it.
Under a cloud
Select the word with the correct spelling.
Who among the following Sikh Gurus had laid the foundation of Amritsar?
Who pioneered diagnostic ultrasound?
___________ is obtained by evaporation of sea.
Fire extinguishers emit which gas?
Oxygen molecule is ______.