Question

Distinguish tenuinucellate and crassinucellate ovules.

Answer 1

Tenuinucellate Ovule: 

1. Ovules with hypodermal sporogerous cell with unilayerd nucellus tissue is  called tenuinucellate type.

2. They have very small nucellus

Crassinucellate Ovule: 

1. Ovule with subhypodermal sporogenous cell is called crassinucellate type. 

2. They have large nucellus