Question
Distinguish between Dicotyledons and Monocotyledons.

Answer

Angiosperms:
DicotyledonsMonocotyledons
Morphological featuresMorphological features
1.Reticulate venation is present in the leaves.Parallel venation is present in the leaves.
2.Presence of two cotyledons in the seed.Presence of single cotyledon in the seed.
3.Primary root radicle persists as tap root.Radicle doesn't persist and fibrous root is present.
4.Flowers tetramerous or pentamerous.Flowers trimerous.
5.Tricolpate (3 furrow) pollen is present.Monocolpate (1 furrow) pollen is present.
Anatomical featuresAnatomical features
1.Vascular bundles are arranged in the form of a ring in stem.Vascular bundles are scattered in the stem.
2.Vascular bundles are open (Cambium present).Vascular bundles are closed (Cambium absent).
3.Secondary growth is present.Secondary growth is absent.

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