Which one differs from Spirogyra based on its nucleus?

Q. Which one differs from Spirogyra based on its nucleus?
A. Azygospore
B. Zygospore
C. Akinete
D. Aplanospore
Answer: Zygospore

A. Azygospore
B. Zygospore
C. Akinete
D. Aplanospore
Answer: Zygospore