試題詳解

71. Which one of the statements is INCORRECT for the major difference between ectomycorrhizae and endomycorrhizae?
(A) Endomycorrhizae but not ectomycorrhizae form a dense sheath over the surface of the root.
(B) Ectomycorrhizae are found in about 90% of plant families.
(C) Ectomycorrhizae do not penetrate root cells, whereas endomycorrhiza grow into the invaginations of the root cell membranes.
(D) A and B only.
(E) A, B and C.