In each of the questions below, a sentence is given with four words highlighted in bold in the sentence. Among these bold words, one may be wrongly spelt. The option with the correct spelling of that word is the answer. If all four words are correctly spelt, mark 5.
i.e. 'All are correct' as the answer.
The scientist's theory was met with skepticism , but further experiments provided conclusive evidence of its validity and relevence .