Questions in diversity-of-life

Select	Question
	Hormogonia are the vegetatively reproducing structures of
	Atmospheric nitrogen-fixation is carried on by
	Which is not true for the heterocyst of Nostoc
	Cyanophyceae has got
	The following micro-organisms have the property of photosynthesis as well as nitrogen fixation
	Unicellular cyanobacteria reproduce asexually by
	Heterocysts are found in certain
	Cynobacteria is a
	Nostoc is characteristic in having
	Nostoc is a