theancestors of green olgae. aey are the closest iving algol relotives of land p
ID: 3164842 • Letter: T
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theancestors of green olgae. aey are the closest iving algol relotives of land plons They share feohres in common with lond plants, uch os srswl ordd wolls and 4 o) They ore the sites where male gometes are produced bi They may temporarily contalin sporophyte embryos ) They are the some os sporongio d) They are the ancestral versions of animol gonods e) They are osexual reproductive structures 47. Which of the following is true of the lifle cycle of mossest o) The haploid generation grows on the b) Spores are primorily distributed by water currents. c) Antheridia and archegonia ore produced by d) The sporophyte generation is dominant. e) The growing embryo gives rise to the gometophyte. 48. Beginning with the germination of a moss spore, whot is the sequence of structures that develop after germination 2. 3. embryo gometes sporophyte 5. b) 4321 e)3145 49. All of the following are synapomorphies of the tracheophyte dode EXCEPT a) specialized vascular tissues. b) apical meristems c) sporophylls d) true leaves. 50. Ferns (Monilophytes) can be distinguished from mosses (Bryophytes) by their gametophytes, and special reproductive structures in the sporophyte colled choices are separated by a semicolon) note a) unisexual; strobili b) asexual; sporangia c) unisexual; gametangia d) bisexual; sori e) bisexual; archegoniaExplanation / Answer
Ans. 46 - (B) The sporophyte embryos develops within the archegonium.
Ans. 47 - (C) antheredia and archegonia are produced by gametophytes.
option A is not correct as diploid generation (sporophyte) grows on haploid gametophyte generation.
option B is not correct as spores are primarily disributed by air currents.
option D is not correct as the gametophyte generation is dominant.
option E is not correct as the growing embryo gives rise to the sporophyte and not the gametophyte.
Ans. 48 - (C)
Ans. 49 - (C)
Ans. 50 - (D)
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