Question

All of the following statements concerning the actinomycetous filamentous soil bacterium Frankia are correct except that Frankia [CBSE PMT 2005]
A) Can induce root nodules on many plant species
B) Cannot fix nitrogen in the free-living state
C) Cannot fix specialized vesicles in which the nitrogenase is protected from oxygen by a chemical barrier involving triterpene hapanoids
D) Like Rhizobium, it usually infects its host plant through root hair deformation and stimulates cell proliferation in the host's cortex

Answer 1

the correct answer is (D)

Answer 2

Answer: option (b)

Explanation:

Because frankia is a symbiotic nitrogen fixer...