Plant Kingdom Classification

Plant Kinddom Classification Arificial. by hinmalus Mainly based on the vegetative character or on the andrsecium structure Not acceptable boz. it gives equal weigthage to vegetative and sexual characters. Phylogentic classification system Natural e By Benthem & Hook ↓ Based on not only the external but internal feature also like Struture, amatomy, embryology, phytochemistry. Based on evolutionary relationshish blo variour organim. Present time used.. Numerical Taxonomy Cyto Taxonomy Chemo Taxonomy Used computer Number Code are assigned to all the character Based on cyto- logical information like chromosome. number; structure behaviour Uses the chemical Constituent of the plant to resolve confusions. Male gametes Female gametes. Fertilisation Lygote. ↓ 2 Possibilities. If reosis occuors im zygote CNO embryo formation). called Thallophyta If mitosis occu in zygote 2 ygote Embry ✓ called Embryophyta lar Grometes are unicellular & unjacketed Grometes are multicellu && jacketed Leg. Leg. Algal Bryo, Pterido, gymno Angio. Zygotic Algae Meosisin plant →Sporic Bryophytes, pteridophytes → Gometic Gymnosperm, angiosperns Embryo Algal X Bryo Pterido Grymbo hifecycle Hap H.Dip H.Dip Dip Main plant body Gromets- phyte Grometo -phyte Sporo phyte Sporo phyte first time zygote embryo vasculature Seed True-Root steam, bauks Algal Male sex organ Antheridium Female sex Oogonium Biryophytes Antheridium Archegonium Petridophyte Anthridium Archegonsum Griymnosperm Pollen grain. Archegonium Angiosperm Angrocium. Gynocium Main plant body. Dependony Photos Bryo phyta Grometo phyte Sporophyte. depends on Gometophyte Grometophy Sporophyte Pterido phyta Sporo- phyte Both are independent Gromatoph Sporophyte hife cycle Loosporen (7) Cromatophyte Algal Zygote (2n) Gron → Gometophyte Spores Meiosisnt Bryopsites. Grometes game Spore mother cellizn) Sporophyle Grometophyten) or prothallus Grometer Sporesin Peteridophytes ↓ Zygote Freosis (221) Spore mother cell ↑ Sporongial27) Sporophy Strobili Cone Sporophyll (27) →Sporophytes. Embryo (2n) Gremnosperm Mega(27) Sporengium Meosis. Zygotenn Megasporlin Micr Ferti lization (ovule)m Megagametophyte Microgametophyte (Pollengraim) Micro life cycle Haplontic Haplo diplontic Dillon most algal Bryophytes → Gymnos Angiosper →Pteridophytes. → Some algal →Algal CF Cectocarpus, polysiphonia, kelps.). Algae - Division Chlorophyll, Thalloid, Auto. bearin bearing trophic , larg aqua Vcanbe Colonial Filamentous. Mass Bodies Volvox → Wothrix →Spirogajara →With Funge hichen Association of Algal → with animal Slate Bear Reproduction Green Brown Red getativce algal alage Frogmentation alaga Frogmen exual zoospores (Motile) Zoospores (rotile) Non moti spores exual Motile. gamete Motile gamete Non- motile Read NCERT table 3.1 Page no-3 After Read the table then pot continual Chlorophyceal → Green alage → Unicellular, colonial. / Filomentous. Chloroplast shape 7. Discoid, plate like Reticulate, cup-shaped, Spiral (Rib bon oy →. Pyrenoid Body located in chloroplas Gcontain protein beside starch Phacophyceal / Brown algal Great variatin is size and form, eg ranges from simple branched (ectocarpus) to profusely branched form as (Kelp)& which may reach 100 meter vary in colour from olive green to various shades of brown depending upon the amount of the xanthophyll, Fucoxanthin pigment. Plant body cosist of Holdfast-attach plant body to subs Stipe-a stalk Frond-leak like photosynthetic organ Asexual & Gramete pore Peor shaped Redophyceal I Red algal ↳ Name due to or phycoerythrim Red pigment Occurs in both regions, close to the surface and also of great plepth Red thalli of most of the redalgal are multicellular. Some of them complex body organisation. food is stored as floriden starch. which is very similar to amylopectin and glycogen 4 Complex post fertilization event Uses of Algal Half of the total Co₂ Fixation. Food for aquatic animals. Porpyra, hominaria, Sargassum Used as Camound 70 Species of marine alage) Food Agar obtained from Golidium and Crracillaria are used in preparation. of ice-cream and jellies. Hydrocolloids Algin (Braconalgae). (water holding Carrageen (Red abgal) substance) Chlorella Protein Food supplement rich by space travellers Ssogomous Similar size gamete Anisogamous Dissimalar gamete Cogomous Female gamete Clarge+ne motile Flagellated (Ulothrix) Species of Eudorina. Male gam Csmallt mo Non flogelated Volvox,