(a) Monocotyledonous: When the seed is formed there is just one seed leaf or cotyledon.

(b) Grass

(c) A: Vascular bundle

(d)  
(i) The stem contains vascular bundles.
(ii) The vascular bundles are not arranged in a regular pattern.

(e) In parallel

(f) Dicots have netted or reticulate veins.