FORESTRY
ECOLOGY AND ENVIRONMENT
|
Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
|
Bacteria fix nitrogen on plant roots. Plant roots provide sugar to bacteria. This is an example of
|
|
mutualism
|
|
|
parasitism
|
|
|
commensalism
|
|
|
competition
|
Explanation:
Detailed explanation-1: -Some plants contain nitrogen-fixing bacteria Rhizobium in their root nodules. This relationship is known as mutualism.
Detailed explanation-2: -Rhizobium is a facultative anaerobe – it can grow without oxygen. It can fix nitrogen only in anaerobic conditions. It is usually considered to be an obligate mutualist when fixing nitrogen in the root nodule.
There is 1 question to complete.