refractus (Kiitz.) The main difference between haplontic and diplontic life cycle is that the main form of the haplontic life cycle is haploid and its diploid zygote is formed for a short period of time whereas the main form of the diplontic life cycle is diploid, which produce gametes. That's why they consists Haplo-Diplontic life cylcle. Queries asked on Sunday & after 7pm from Monday to Saturday will be answered after 12pm the next working day. This cycle of generations include both diploid (2n) phase, the sporophyte, and the haploid (n) phase gametophyte. Life cycle of Ectocarpus siliculosus. Haplobiontic life cycle: Ø Here the life cycle is triphasic (three phases) Ø In this type, there will be three phases in the life cycle, one diploid and two haploid phases. Q3) Life cycle of Ectocarpus & Fucus respectively are: (NEET 2017) Haplontic, Diplontic Diplontic, Haplodiplontic Haplodiplontic, Diplontic Haplodiplontic, Haplontic. The sporophyte creates spores via meiosis which also then divide mitotically producing haploid individuals called gametophytes. For each gene, cells of the gametophyte stage have a single allele. Ardis. Zygote (2n): diploid phase (c). The life history of Ectocarpus fasciculatus var. Name the process by which haploid spores are produced by the Books. The gametophytes liberate gametes, which fuse to form diploid zygote, which gives rise to a diploid plant. NEET 2017: Life cycle of Ectocarpus and Fucus respectively are: (A) Diplontic, Haplodiplontic (B) Haplodiplontic, Diplontic (C) Haplodiplontic, Haplon 1.1 Etymology; 1.2 Adjective; 1.3 Anagrams; English Etymology . Both Ectocarpus sexual and asexual life cycles are displayed. This species proved to be the sporophytic. Students (upto class 10+2) preparing for All Government Exams, CBSE Board Exam, ICSE Board Exam, State Board Exam, JEE (Mains+Advance) and NEET can ask questions from any subject and get quick answers by subject teachers/ experts/mentors/students. Q4) In bryophytes & pteridophytes, transport of male gametes requires: (NEET 2016, PHASE I) Insects Birds Water Wind. Family Ectocarpaceae of Phaeophyta: . So the correct option is D. Answered By . Which type of life-cycle is shown by Kelps, Ectocarpus and Polysiphonia ? bryophytes. in kingdom plantae alternation of generation is not associated with  Ø Gametophyte produce gametes. What organisms have a Sporic Life Cycle? In Diplontic lifecycle, the zygote undergoes mitosis. refractus (Kiitz.) (c) Ectocarpus and Fucus respectively show haplodiplontic and diplontic life cycle. Q5) Select the correct statement. The sporophyte creates spores via meiosis which also then divide mitotically producing haploid individuals called gametophytes. Some species are epiphytes on other algae like members of Fucales and Laminaria. Haplodiplontic life cycle. Loading... Close. Haplontic Life Cycle. Gametes (right side) released from WT male gametophytes . Life cycle of Ectocarpus and Fucus respectively are (A) Haplontic, Diplontic (B) Diplontic, Haplodiplontic (C) Haplodiplontic, Diplontic (D) Haplodiplontic, Haplontic (NEET 2017) 4. Concept Enhancer In Ectocarpus sporic meiosis occurs and haploid biflagellate meiozoospores are formed. In diplontic life cycle, diploid sporophyte is the dominant, photosynthetic, independent phase of the plant. Q3) Life cycle of Ectocarpus & Fucus respectively are: (NEET 2017) Haplontic, Diplontic Diplontic, Haplodiplontic Haplodiplontic, Diplontic Haplodiplontic, Haplontic. Ectocarpus is a brown alga. Ectocarpus has a haplodiplontic life cycle and Fucus has a diplontic life cycle. Ectocarpus possesses haplodiplontic whereas Fucus possesses diplontic life cycle. 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