Which of these organisms does not help in $N_{2}$ fixation?

Anabaena

No worries! We‘ve got your back. Try BYJU‘S free classes today!

Nostoc

No worries! We‘ve got your back. Try BYJU‘S free classes today!

Spirogyra

Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses

Rhizobium

No worries! We‘ve got your back. Try BYJU‘S free classes today!

Open in App

Solution

The correct option is C Spirogyra
Spirogyra is a filamentous green alga. They are found in freshwater such as pools, ponds, etc. They have long thin unbranched filaments of cylindrical cells. They are not involved in nitrogen fixation. Whereas Anabaena, Nostoc and Rhizobium play a critical role in nitrogen fixation.
Therefore, the correct answer is option C.

Suggest Corrections

Similar questions

Which of these does not form organic molecules in living beings?

Join BYJU'S Learning Program