During the Indian Freedom Struggle, why did Rowlatt Act arouse popular indignation?

Which of the following statements regarding Indian freedom struggle is not correct?

What was the major symbol of Mahatma Gandhi during his non-violent freedom struggle?

During the India’s struggle for Independence which was the first to start ‘Satyagraha’?

Who was the Viceroy of India when the Rowlatt Act was passed?

The Rowlatt Act was passed in the year