Study the weed plants illustrated by the diagrams below and use them to answer the following questions;

         

(a) ldentify the weeds, illustrated as I, Il, Ill, and IV by their common and botanical names.

(b)(i) State the agents of dispersal of the seeds / fruits of weeds represented by diagrams l and III.
(ii) Describe one characteristic of the seeds which aid the dispersal of the weeds illustrated by diagram I and llI

(c) Name the parts labelled A to H.

(d) Give three reasons why the weed represented by diagram IV is Difficult to Control.