WAEC Biology 2013 Objective — Question 42
Question 42 of 60 from the West African Examinations Council (WAEC) Biology 2013 Objective paper, with the correct answer and a full explanation.
Advertisement
Rhizobium which lives in the root nodules of leguminous plants is an example of the association known as
- A. commensalism
- B. epiphytism
- C. mutualismCorrect
- D. saprophytism
Explanation
Rhizobium and root nodules of leguminous plants show mutualistic association. The organism helps the plant in nitrogen fixation while the plant, in return, provides food and shelter for the organism.
Advertisement
Sign up free to unlock
- Score tracking
- Practice history
- Saved questions
- Progress dashboard
- Personalized sessions
- Weak-topic breakdown
…and/or go further with premium services and No Ads.