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Reproduction in Pteridophytes

Spores of Fun...

Question

Spores of Funaria represent _______.

A

Sexual propagules

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B

Gametes

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C

Beginning of gametophyte generation

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D

Beginning of sporophyte generation

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Solution

The correct option is C Beginning of gametophyte generation
Diploid spore mother cell in the sporophyte undergoes meiosis to form haploid spores, which are the first cells of the gametophytic generation.

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Q. A plant body first undergoes asexual reproduction by forming spore and then the spore develop into gametophytes which produce gametes. Later these gametes fuse to form zygote. The zygote once again develops into a sporophyte. In which subdivision can we find this type of alternation of generation?

Q. Which of the following have an independent gametophyte generation and a dependent sporophyte generation?

Q. Explain the following terms
(a) Gametophyte (b) Sporophyte (c) Alternation of Generations

Q. Match the terms to these definitions:
Angiosperm, anther, carpel, conifer, dicotyledon, fern, gametophyte, gymnosperm, monocotyledon, moss, nonvascular plant, pollination, rhizoid, rhizome, root, seed, sporophyte, strobilus, vascular plant, woody plant, cotyledon, herb, tree, caudex
.......... is the diploid generation in the life cycle of a plant; meiosis produces haploid spores that develop into the gametophyte.

Q. A: The haploid plant body (gametophyte) produces gametes by mitosis
R: Diploid sporophytic plant body produces spores by meiosis

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Reproduction in Pteridophytes

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