Read the following prose-passage carefully and answer as directed – "Scientists believe that chemistry gave man the taste of language very late; words, having lost their real meaning, used to stay hidden behind them. Stone, iron, leather, paper, copper, marble, time, horizon, rights, rule – when such words lost their real significance, language sounded hollow. Today’s man, filled with his experiences, gives new resonance to those words. Language is neither only a material nor merely a phenomenon; it is the foremost achievement of the social mind. No social change is possible without language. If language were to vanish, what would happen to poetry from Kalidas down to the newest poet? From the very beginning up to the last stage, the evolution of society has been the history of language..." (Passage abridged). (a) Give a suitable title to the passage. (b) Throw light, on the basis of the passage, on the role of language in life. (c) Summarise the passage.