New One Goal, Three Exams: Strategies for Mastering RBI, SEBI, and IFSCA Exams
Register

Question

A common example of a symbiotic non-legume nitrogen-fixing association is:

A Corn and Azospirillum Correct Answer Incorrect Answer
B Rice and Pseudomonas fluorescens Correct Answer Incorrect Answer
C Casuarina and Frankia Correct Answer Incorrect Answer
D Wheat and mycorrhizae Correct Answer Incorrect Answer
E Sunflower and Rhizobium Correct Answer Incorrect Answer

Solution

Casuarina species form symbiotic relationships with Frankia bacteria, which fix atmospheric nitrogen in nodules on the trees’ roots, similar to legume-In soils.

Practice Next
×
×