Questions in diversity-of-life

Select	Question
	In coelenterates ${O_2}$ is carried to various tissues by
	Obelia belongs to which class of phylum coelenterata
	How many ova are formed in the ovary of hydra
	Which one of the following animals is a coelenterate
	Hydra receives impulses and stimuli through
	In which class of coelenterata the polyp and medusa both are found in one animal
	Which of the following belongs to anthozoa
	Mesogloea is present in the Phylum
	Statocysts are sense organs of
	‘Ephyra’ is the stage in the life cycle of