It is estimated that five to ten percent of failures on individual questions are due to ignoring the key word or words. Read the following key words and their definitions. Comment' perhaps gives you greater freedom than any other introductory word. It is usually an invitation to express freely your personal opinion on the subject. E.g., Comment on the desirability of lowering taxes in a period of relatively high income.
Students often make the mistake of stating only similarities when they are asked to compare.
E.g., Compare the marketing channel for wheat with that for livestock and meats. If similarities are included at all, they should usually be no more than mentioned. Note that criticism is not necessarily finding fault. E.g., Criticize Shakespeare's use of the revenge motive in Hamlet . For example, you may define botany as 'the science which treats types of plants.