Question

4 important features of cynophyceae

Answer 1

Answer:

1. The individual cells are prokaryotic in nature

2. Both vegetative and reproductive cells are non-flagellate.

3. Cell wall is made up of microfibrils and is differentiated into four (4) layers

4. Locomotion is generally absent, but when occurs, it is of gliding or je.rky type

Answer 2

1. The members of this group are prokaryotes and lack motile reproductive structures.

2. The thallus is unicellular in Chroococcus, colonial in Gloeocapsa and filamentous trichome in Nostoc.

3. The protoplasm is differentiated into a centroplasm and a chromatophore bearing chromoplasm.

4. The photosynthetic pigments include c-phyocyanin and c-phycoerythrin along with myxoxanthin and myxoxanthophyll.

5. The reserve food material is Cyanophycean starch.

6. They reproduce only through vegetative methods and produce Akinetes, Hormogones, Endospores, Nannocysts.

7. Sexual reproduction is absent.