Question

15.Heterocyst in Nostoc participates in
O (a)Nitrogen Fixation
0 (b)Fragmentation
0 (c)Fruit storage
(d) Symbiotic relation​

Answer 1

Answer:

(a) hope it will help you

Explanation:

Nitrogen fixation .

Answer 2

Answer:

a) nitrogen fixation..

Explanation:

heterocyst are the rounded structure present in the nostac that helps in fixation of nitrogen..