Select the word with the correct spelling.
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In the following question, out of the four alternatives, select the alternative which is the best substitute of the words/sentence.
An urgent need or demand
In the following question, out of the given four alternatives, select the one which best expresses the meaning of the given word.
Perennial
The unit of measurement of noise is
During _____________ motion of an object along a straight line, the velocity remains constant with time.
The unit of which physical quantity is not pascal?
___________ is the most ecologically relevant environmental factor.
Which of the following is a designated terror group?