A) help in \[N{{O}_{2}}\] fixation
B) do not help in \[N{{O}_{2}}\] fixation
C) increase soil fertility
D) all of the above
Correct Answer: C
Solution :
Rhizobium a nitrogen fixing bacteria is symbiont of the root of legume plants (edible pea, pigeon, pea etc). Several species o: Rhizobium, grow over the root hairs release nod factors that cause curling of root hairs around the bacteria. The bacteria infects the cortical cells and produce nodule. The bacteria fixes the atmospheric nitrogen with the help of enzyme nitrogenase. Therefore, increase the soil fertility.
You need to login to perform this action.
You will be redirected in
3 sec
