Important Questions on Plant Kingdom Which one correctly describe reproduction and life cycle of fern? Assertion: Both bryophytes and pteridophytes contain well-developed antheridia.
Reason: Biflagellate sperms are formed by their antheridia. In Selaginella , male gametes are Pteris differs from Funaria in havingAssertion: In leptosporangiate development, sporangia are formed from a group of initials.
Reason: Eusporangiate development of sporangia starts from single initial. In ferns, antherozoids are In the below diagram, identify the a, b, c and d.
Young sporophyte of Pteris fern draws nourishment from prothallus through Assertion: Sporophytes of pteridophyta are dominant individual.
Reason: They do not show the formation of true root. Sorus of Dryopteris fern is Sometimes prothallus of a fern gives rise to a fern plant, it is an example of Pteris , Selaginella, and Equisetum resemble each other in possessingThe gametophyte of fern bears Distinguish between Gametophyte and sporophyte. Number of flagella in male gametes of fern is Selaginella is heterosporous. It produces two types of spores. The microspore develops into microgametophyte and the megaspore develops into megagametophyte. With respect to gametophyte, which one statement is correctSorus bearing leaf of Pteridium is called The site of spore formation in Dryopteris is All statements are true for both ferns and conifers, except