Class 11 NEET Biology Plant Kingdom Questions Part 1

(d) : Bryophytes are green photosynthetic and thalloid structures where the plant body root, stem and leaves. Instead of roots, rhizoids are present for attachment and absorption purpose. They have motile sperms and so they need water for fertilization. Archegonia evolved for the first time in bryophytes in the plant kingdom. It is a flask shaped structure with swollen base called venter and upper elongated neck. The venter contains a venter canal cell and an egg cell. It is surrounded by one celled thick sterile jacket layer.