Which of the following occurs in vascular land plants but not charophytes (stoneworts)?

Question

Quizplus · Accepted Answer

Lignin is one of the main components of secondary cell walls in vascular land plants, providing support to the plant body. Charophytes, such as stoneworts, do not have this feature. Sporopollenin (A) is a tough polymer that protects spores and pollen grains from desiccation and other environmental stresses, and is found in both vascular land plants and charophytes. Chlorophyll a (C) and chlorophyll b (E) are photosynthetic pigments found in both vascular land plants and charophytes. Cellulose (D) is a major component of cell walls in both vascular land plants and charophytes.

Which of the Following Occurs in Vascular Land Plants but Not