The present study tries to investigate the effect of font size on recognition of the key textual words, to determine if the students can find the answers to some multiple choice and true/false questions easier in a text typed with a larger or smaller font size. Forty male and female students were selected through the placement test in an institute. Their reading comprehension ability with the focus on scanning for the key words and understanding general idea was measured using two reading texts with different font sizes (fonts 10 and 16) but the same level of difficulty estimated by Fog index of readability. To minimize the ordering effect, counter balanced test design was applied during the test administration. Pearson Product Correlation did not show a significant relationship between the scores of the two font sizes.