| Sr|| Characters|| Plant group I|| Plant group II|| Plant group III|| Plant group IV|
| 1.||Autotrophic|| Yes|| Yes|| Yes|| Yes|
| 2.||Terrestrial|| No|| Yes|| Yes|| Yes|
| 3.|| Presence of vascular tissue|| No|| Yes|| Yes|| No|
| 4.|| Flower produced|| No|| No|| Yes|| No|
Shirin had been on a holiday to Ooty. In her school, she has studied the interesting world of plants. On the day of her return, she collected four groups of plants I, II, III, and IV. She carefully noted some of their details and arranged the information in the form of a table as given below. She asked her teacher how to identify which group is of pteridophytes. Take a look at the data and suggest which of the groups could be of Pteridophytes and why?