Consider the following statement regarding heterospory

I. Genera like Selaginella and Salvinia which produce two kinds of spores, macro (large) and micro (small) spores, are known as heterosporous

II. The megaspores and microspores germinate and give rise to female and male gametophyte respectively

III. The female gametophytes in these plants are retained on the parent sporophytes for variable periods

IV. The development of the zygotes into young embryos takes place within the female gametophytes

V. This event is a precursor to the seed habit considered an important step in evolution

Which of the following petridophytes belong to class-Pteropsida?

Read carefully the following statement about the sexual reproduction in fernsI. Water is essential for fertilisationII. Male gametophyte bears antheridia, while female gametophyte bears archegonium, which produces antherozoids and egg cell, respectivelyIII. Antherozoids and egg cell fuses to give rise zygote. Zygote develops into young embryo. Embryo give rise to sporophyteWhich of the statements given above are correct?

Which has vascular tissue, produces spores, but does not has seeds?

From an evolutionary perspective, the retention of the female gametophyte with a developing young embryo on the parent sporophyte offers what primary advantage?

Select the correct sequential arrangement of reproductive structures for pteridophytes

Antherozoids of Dryopteris are

Pteridophytes are commonly known as:

First vascular plant is

In pteridophytes, gametophytes require …A… to grow

Selaginella and Salvinia are examples of plants that exhibit: