कक्षा 11 अध्याय PLANT KINGDOM से प्रश्न Funaria is attached to substratum by 1.4k + 1.3k + 1.3k + ... Funaria is attached to substratum by rhizoids are branched, multicellular, arise from base of axis and have oblique septa to increase. Mon to Sat - 10 AM to 7 PM For any content/service related issues please contact on this number . Asexual reproduction in most brown algae is by biflagellate zoospores that are pear-shaped and have two unequal laterally attached flagella. The plant body is usually attached to the substratum by a holdfast, and has a stalk, the stipe and leaf like photosynthetic organ -the frond. - E.g. They may possess root-like, leaf-like or stem-like structures. Vegetative reproduction takes place by fragmentation. The apical cell forms a branched thallus, analogous to shoots in land plants; the thallus is flattened in Fucus and filamentous in Ectocarpus . The plant body of bryophytes is more differentiated than that of algae. Vegetative reproduction takes place by fragmentation, asexual reproduction is by biflagellate zoospores that are pear-shaped and have two unequal laterally attached … Ectocarpus, Dictyota, Laminaria, Sargassum & Fucus. ... - Plant body is attached to substratum by a holdfast, and has a stalk (stipe) and leaf like photosynthetic organ (frond). Asexual reproduction in most brown algae is by biflagellate zoospores that are pear-shaped and have two unequal laterally attached flagella. The body is usually attached to the substratum by a holdfast, and has a stalk, the stipe and leaf like photosynthetic organ - the frond in ? Setchell occurs in a variety of habitats, from very sheltered bays to open coasts exposed to strong wave action. E.g. In brown algae such as Fucus and Ectocarpus, asymmetric division of a single initial cell produces cells with apical and basal identities (see figure). It is thallus-like and prostrate or erect, and attached to the substratum by unicellular or multicellular rhizoids (root like structure). You are very important to us. They lack true roots, stem or leaves. * Asexual reproduction in most brown algae is by biflagellate zoospores that are pear-shaped and have two unequal laterally attached flagella. * Vegetative reproduction takes place by fragmentation. The plant body is usually attached to the substratum by a holdfast, and has a stalk, the stipe and the frond( leaf-like photosynthetic organ). The plant body is usually attached to the substratum by a holdfast, and has a stalk, the stipe and leaf like photosynthetic organ – the frond. The plant body is usually attached to the substratum by a holdfast, and has a stalk, the stipe and the frond( leaf-like photosynthetic organ). Asexual reproduction in most brown algae is by biflagellate zoospores that are pear-shaped and have two unequal laterally attached flagella. 8788563422. Mechanical tests of blade tissues of this alga reveal that in general, plants from exposed localities are stronger and suffer than those from sheltered places. The plant body is usually attached to the substratum by a holdfast, and has a stalk, the stipe and leaf like photosynthetic organ-the frond. Vegetative reproduction takes place by fragmentation. ☺ Some marine brown & red algae produce hydrocolloids (water holding substances). Ag.) algae brown algae gelatinous coating of algin Vegetative reproduction takes place by fragmentation. The brown alga Hedophyllum sessile (C.

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