Question

List 8 types of cyanobacteria that have heterocysts and can fix atmospheric nitrogen. Explain in detail 3 ways by which one can improve on the cyanobacterial nitrogen fixation in the soil environment. Of what use is the nitrogen fixed by the cyanobacteria to mankind?

Answer 1

A} 1)Nostocales

2)Aphanotheca

3)Merismopedia

4)chroococcus

5)chamaesiphon

6)Microcystis

7)Rivularia

8)Stigonema

B}Generally the higher the soil moisture ,soil temperature, sunlight penetration to the soil surface, the greater the population and survival.Increased levels of both organic and inorganic nutrients also enhance the growth an activity of it. Soil pH also affects its ability.

C} The cyanobacteria s are very important and helpful for mankind. Its helps for nitrogen cycle of environment. Cyanobacteria is oxygenic photosynthetic bacteria , which also known as spatial seperation of oxygenic photosynthesis and nitrogen seperation