MPSC PYQScienceवनस्पतीशास्त्रenglish
Study the following statements and choose the option of the correct statement. (a) Frankeria is a microorganism that causes nodules on the roots of leguminous plant. (b) Rhizobium is a bacterium that causes nodules on the roots of non-leguminous plants. (c) Cells of cyanobacteria which fix nitrogen are called heterocysts. (d) With the help of leghemoglobin, nitrogen in the air is converted into ammonia Which can be absorbed by plants.
A.All are incorrect except (a).
B.All are incorrect except (c).
C.All are incorrect except (b).
D.All of the above are incorrect
Correct answer: B