CBSE Class 9 Answered

Thallophyta

Bryophyta

Pteridophyta

• Plants have an irregularly shaped, undifferentiated body called thallus.

• Plant body is either in the form of an undifferentiated thallus or in the form of leafy erect structures.

• Plant body is differentiated into stem, leaves and roots.

• Vascular tissues are absent.

• The plant body is green  and autotrophic.

• Stem is generally underground.

• Examples: Nostoc

• Examples: Riccia

• Examples: Nephrolepis