operculum sentence - operculum sentence in Hindi (11-20)

	11.	The group is distinguished by having spore operculum falls off.
	12.	The dark edge of the operculum also fades with age.
	13.	The operculum of juveniles, however, is spirally marked.
	14.	An inconspicuous dusky spot is usually seen on the operculum.
	15.	Juveniles are generally lighter in colour, also possessing five dark operculum.
	16.	Most species have a dorsal operculum has a terminal nucleus.
	17.	The operculum only, and the edge of the mantle are yellowish.
	18.	The head end of the larval case is closed by an operculum.
	19.	The operculum of the case is covered with small pebbles.
	20.	The oval operculum is flat within, with four whorls.

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operculum in a sentence