試題詳解

3.Which of the following descriptions about root nodules is NOT correct?
(A) They are typical structures harbouring different types of bacteria.
(B) Root exudates play a central role in recruiting beneficial microbes to form root nodules.
(C) In root nodules, the bacteroids reduce N» to NH3/NH4" by nitrogenase.
(D) The concentration of O inside the nodules is high.
(E) If mineral nitrogen (N﹚ can satisfy the plant N demand, nodule formation is inhibited.