Questions in diversity-of-life

Select	Question
	Azolla is used as a biofertilizer because it
	Most primitive living vascular plants are
	Fern prothallus is
	Sporangia and spore bearing leaf in fern is called as
	In fern, young leaves are protected by
	Which of the following is not involved in the fertilization of fern
	Fern stele is
	Spore of fern represents
	Sporangia of eusporangiate ferns
	Meristeles are found in