Who discovered Nitrogen?
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In the following question, out of the four alternatives, select the alternative which is the best substitute of the phrase.
A strong blast of wind.
Lichen is an association between which of the two ?
Which of these is not an Indian Musical Instrument?
Who introduced the term 'Hindu rate of growth' ?
Acinonyx Jubatus is the scientific name of _______.
Which of the following is the treatment of water pollution?
Which of the following is associated with The Government of India's 'Khelo India' programme?