Biological Classification And System Of Classification Question 134
Question: Root nodules for nitrogen fixation in nonleguminous trees are produced by species of the genus
[BHU 1994]
Options:
A) Rhizobium
B) Azatobacter
C) Frankea
D) Thiobacillus
Show Answer
Answer:
Correct Answer: C
Solution:
Frankia forms root nodules of non-leguminous plants like actinorhizal plants. Rhizobium forms a symbiotic relationship with leguminous plants.
Azotobacter is free-living nitrogen-fixing bacteria.
Thiobacillus is not associated with nitrogen fixation.
So, the correct answer is ‘Frankia’
BETA
