Question

Question #75448

Answer 1

Anabaena has incipient prokaryotic nucleus.

Explanation:

1. Anabaena is nitrogen fixing prokaryotic alga. The nucleus and organized cell organelles are absent in the cell of Anabaena. But like other algae, it releases oxygen by the process of photosynthesis.
2. Under the two Kingdom of classification of organisms, Anabaena has been placed under the Algal division and class Cyanophyta and Cynaphyceae, respectively by different phycologists.
3. In the five Kingdoms of classification of R H Whittaker (1969), Anabaena has been placed under the Kingdom ''Monera.'' Thank you