Skip to main content

Posts

Kingdom protista

Kingdom protista ⤿ A cellular / unicellular / single celled Eukaryotas ⤿ primary aquatic ⤿ Boundaries are not limited ⤿ Linked together  to plantae fungi ⤿ flagella  -nt or  +nt ⤿ reproduction ⟶ 1st time sexual reproduction  & 1st time zygote formation ⤿ A sexual reproduction ⟶ binnary,fission ,spore formation Most extensive nutrition diversity  chrysophytes  Dinoflagellates Euglinoides  Slime moulds  protozoans   chrysophytes  ➥ Golden algae ( desmids ) & Diatoms ( planktons ) ➥ Cilia flagella float passively ,due to presence of stored fats  ➥ Microscopic , Photosynthesis ⟹ Chief producers in ocean                                                                                     ...
Post a Comment
Read more
Recent posts

kingdom Monera

 kingdom Monera most extensive metabolic diversity. all prokaryotes - cellular organization BACTERIA: Name of group Archaebacteria Eubacteria Cyanobacteria Mycoplasma  →Structure-very simple, behavior complex. →Sale member of kingdom-monera. →most abundant microorganisms. E.g.-soilfull hand - having hundred of bacteria  → Everywhere extremely harsh habitat (desert, hot spring, snow, deep oceans) 'or' in(Endo) or on(Ecto) living organism Endo + Ecto = Prasite(living organism) →Rod (bacillus), Spherical(Coccus),Comma(Vibro), Spiral(Spirillus). →Recycling of           ↳Nitrogen(N)           ↳Phosphorus(P)           ↳Iron(Fe)           ↳Sulpher(S) →Some are pathogens to human beings pets, crops, farm animals E.g. Cholera = Vibro cholera        Tetanus = Clostridium tetani        Typhoid=Salmonell...
Post a Comment
Read more

Lichens,Prions, Viroids ,Viruses

Lichens     ALGAE  + FUNGI ALGAE : - Phycobiont chloroplast  chlorophyll synthesis their own food =  autotrophs prepare / provide food for fungi .  FUNGI :- mycobiont  Heterotrops absorptive mode  provide shelter & absorption of water & minerals from soil . algae + fungi → ( symbiosis relationship ) * mutualism * pollination indicator - lichens do not grow in polluted area     Prions                                          Size = similar to viruses . infectious proteinaceous agent   Proteinaceous  = protein only  Acellular / non-cellular  pathogenic → nerogenic disease causing  (Cattle & Human )   nerogenic disease causing :- Cattels → mad cow disease or BSE =  B ovine spongiform encephalopthy  ...
Post a Comment
Read more

Mycota [fungi ]

Mycota [fungi ] Phycomycetes  [ Algal fungi ] Ascomycetes [ sac fungi, pigmented class,colorful class ] Basidiomycetes [ bracket fungi ,puffballs, Masroom (agaricus) ] Deuteromyctes [ fungi imperfecti = sexual reproduction unknown ]  Phycomycetes [ Algal fungi ] coenocytic, aseptate mycelium Habitat :-   decaying wood, in moist Dampe place or parasite on plants (eg Albugo) Largely aquatic Other name :- Algal fungi Reproduction :-  Vegetative - Fragmentation  Asexual - Zoospore, Aplanospore Sexual - Oospore, Zygospore formation Example :- Zygomycetes { 1. mucor ( bread mould )   2. Rhizopus Oomycetes { Phtophthora infestants ( late blight of potato) = femine of ireland Mucor Rhizopus  Phtophthora infestants Ascomycetes [ sac fungi, pigmented class,colorful class ] Branched , septate mycelium Habitat :- [SPDC] saprophytic parasitic dicomposer coprophilous Othe...
Post a Comment
Read more

Biodiversity

Biodiversity on earth and India:- Total species present on earth = 20-50 million Global species diversity on earth = 7 million (Robert May) According to Robert May = 22% of 7 million  species are discovered  discover Plant & Animal species  = more than 1.5 million Indian global diversity = 8.1 [   cover 2.4% Land  ] In India : -  1)  45,000 Plant & 90,000 animal species discovered. 2) lakh Plant & 3 lakh Animal species yet to be discovered  Mega diversity country in world = 12 Biodiversity on earth  1). Animal                        2). Plants 1)Animals (>70%) :-  A). Invertebrates & B).vertebrates  A). Invertebrates  1). Insect (>70%) Max  2). Beetles (3 LAKH )   species 3). Ants (20,000) species  4). Other animal groups  5). Mollusks 6). Crustacean ...
Read more