Question

Which of the following organism is not associated with biological nitrogen fixation ?
(A) Anabaena
(B) Rhizobium
(C) Nostoc
D) Chlorella​

Answer 1

Answer:

The organism that is not associated with biological nitrogen fixation is Chlorella.

Explanation:

The organism that is not associated with biological nitrogen fixation is Chlorella.

Chlorella belongs to the group green algae.

These are single celled organisms.

It can be used as single cell nutritional supplement as it is rich of vitamins and minerals.

Answer 2

Chlorella organism is not associated with biological nitrogen fixation.

Explanation:

• Chlorella is a single green alga that belongs to the chlorophyte family and has spherical cells in shape that is 2 to 10 um and without falgalles its is a food source due to protein and they need carbon dioxide sunlight and water. Don't help in the fixation of biological nitrogen.

Learn more about the Which of the following organism is not associated with biological nitrogen fixation.

• brainly.in/question/10911786 answered by mindsetwins.