in Morphology of Flowering Plants by

1 Answer

0 votes

Sucking roots are also called as haustoria. These are small root which penetrates the host tissue. The haustoria of partial parasite penetrate and make contacts with host xylem tissue since they are in need of water and nutrients. Whereas the haustoria of total parasite makes contact with the phloem tissue, since they are in need of photosynthetic materials.

Biology Questions and Answers for Grade 10, Grade 11 and Grade 12 students, Junior and Senior High Schools, Junior Colleges, Undergraduate biology programs and Medical Entrance exams.