Question

Write the characteristic features of Dicotyledons and characteristic features of Monocotyledons. [ 5 Marks]

Answer 1

Characteristic features of dicotyledons:
$\bullet$ Seed has two cotyledons.
$\bullet$ Plants have tap root system and leaves are with reticulate venation.
​​​​​​​$\bullet$ Flowers are tetramerous or pentamerous.
​​​​​​​$\bullet$ Calyx and corolla are well differentiated. Pollination occurs mostly by insects.
​​​​​​​$\bullet$ Examples are: Bean, Mango, Neem
[2.5 Marks]
Characteristic features of monocotyledons:
​​​​​​​$\bullet$ Seed has only one cotyledon.
​​​​​​​$\bullet$ Plants have fibrous root system, and leaves are with parallel venation.
​​​​​​​$\bullet$ Flowers are trimerous and not differentiated into calyx and corolla.
​​​​​​​$\bullet$ Pollination occurs mostly by wind.
​​​​​​​$\bullet$ Examples are: Grass, Paddy, Banana. [2.5 Marks]