Questions in diversity-of-life

Select	Question
	Fern's prothallus normally is
	Ferns are characterised by
	Dominant generation in pteridophytes is
	Botanical snakes" are "
	Heterosporous pteridophytes always produce
	In some of the pteridophytes and gymnosperms the sporophyll aggregate at the apices of the main stem or its branches to form definite compact structures. The compact structures are called
	The condition where a pteriodophyte produces two kinds of spores and sporangia is termed as
	Pteridophytes are characterized by
	The main plant body of pteridophyte is
	The prothallus represents