Q. Most earliest group of plants which are rootless are one which become

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Q. After fertilization of ovary, fruit is made which contain

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Q. A dry, indehicent fruit in which pericarp is completely fused with seedcoat is called

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Q. Early vascular plants lacked true leaves and

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Q. Rhizoids fix prothallus to soil to absorb

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Q. A spore germinates at a suitable temperature after falling on moist soil and produces a

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Q. Irish people are completely depend for their nutrition on

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Q. Female gametophyte develops into an egg after germination with healthy megaaspore and produce

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Q. Male and female sex organs appear on sameprothallus in region of under surface, this property is

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Q. Gymno sperms cannot produce

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Q. Economically most important family which benefit both human and animal is

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Q. An autotrophic, small, heart shaped and flat structure is called

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Q. Structure of a sporophyte consists of a foot, seta and

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Q. In atternation of generations, a haploid spermatozoid fuses with a haploid egg to produce diploid

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Q. Around 15-20 million years is time, for evolution of a

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Q. Sporophyte is dominant and gametophyte is small and reduced but separate as well as independent. This development shows heteromorphic alternation of generation

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Q. Important well known ferns are Dryopteris, Pteries Pteridium and

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Q. Horneophyton, psilophyto and cooksonia belong to Tracheophytes group called

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Q. Leaf of a lycopodium is small and contains single undivided vascular supply, such leaf is called

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Q. Male gamates reach to embryo sac by help of

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