A poster is usually a large printed picture that is used to promotion ideas, product or events put up in public space. However, I have learned that a design of a poster differs from person to person and from department to department. From the walk in the botany and zoology department I have observed some perfect example of a poster, a good poster with minor problems and a bad poster that should have never been used in the department or anywhere else. Sometimes there is a small difference between a good and bad poster. What I have observed from the botany department posters is too much text on the post, too much text bores the audience. Text on the poster should be enough to pass the message and if the audience is interested to read more about what is on the poster, they should access it in the paper liked to the poster. In addition, avoid following the journal format on the poster as it results in too much word being used. Sections such as the bibliography is unnecessary text an...