NEET Biology Video Course

Reproduction in Organisms(Code-RRO)

Class XII 12 Biology Reproduction in Organisms-Part 1(Asexual Reproduction)-RRO1

  • Life span- juvenility, maturity, ageing/senescence/death

  • purpose of reproduction

  • Continuity of species

  • Population organization

  • Variations

  • Basic features of reproduction

  • asexual reproduction

  • binary fission

  • in bacteria

  • in protozoan

  • irregular/simple binary fission

  • longitudinal binary fission

  • transverse binary fission

  • oblique binary fission

  • binary fission in planarians

  • reproductive units and immortality

  • multiple fission

  • in Plasmodium

  • in Amoeba

  • Plasmotomy

  • budding

  • in  yeast

  • in Animals

  • exogenous/external budding

  • endogenous/internal budding (gemmule formation)

  • strobilation

  • spore formation

  • zoospores

  • sporangiospores

  • chlamydospores

  • oidia

  • conidia

Class XII 12 Biology Reproduction in Organisms-Part 2(Asexual Reproduction)-RRO2

  • vegetative propagation

  • Natural methods of vegetative propagation

  • Roots

  • Underground stems

  • Suckers

  • Rhozomes

  • Corms

  • Bulbs

  • Tubers

  • Creeping stems

  • Runners

  • Stolons

  • Offsets

  • Leaves

  • Aerial stems-phylloclade of Opuntia

  • Bulbils

  • Turions

  • Gemmae

  • Fragmentation

  • Artificial methods of vegetative propagation-horticulture

  • Cuttings

  • Root cuttings

  • Stem cuttings

  • Leaf cuttings

  • Layerings

  • Mound layering

  • Air layerings (or gootee)

  • Simple layering

  • Serpentine layering

  • Trench layering

  • Grafting

  • Tongue or whip grafting

  • Wedge grafting

  • Crown grafting

  • Side grafting

  • Approach grafting

  • Bud grafting

  • Propagation by plant tissue culture(microprapagation)

  • Advantages of vegetative propagation

  • Disadvantages of vegetative propagation

  • Advantage and disadvantages of asexual reproduction

Class XII 12 Biology Reproduction in Organisms-Part 3(Sexual Reproduction) -RRO3

  • Characteristics

  • Origin of sex

  • Syngamy and conjugation

  • Advantage of sexual reproduction

  • Variations

  • Evolution

  • Adaptation

  • Vigour and vitality

  • Disadvantage of sexual reproduction

  • Phases in life cycle

  • Juvenile

  • Reproductive/maturity

  • Monocarpic

  • Polycarpic

  • Animal breeding

  • Seasonal breeders

  • Continuous breeders

  • Senescence phase

  • Sexuality in organisms

  • Events in sexual reproductivity

  • pre-fertilization events

  • gametogenesis, sexuality in organisms, meiosis (zygotic, sporic, gametic meiosis)

  • gamete transfer

  • external fertilization and external development

  • internal fertilization and external development

  • internal fertilization and internal development

  • syngamy and fertilization

  • endogamy

  • exogamy

  • isogamy

  • anisogamy or heterogamy

  • oogamy

  • parthenogenesis

  • natural parthenogenesis

  • complete(obligatory) parthenogenesis

  • incomplete(cyclic)parthenogenesis

  • paedogenetic parthenogenesis

  • Arrhenotoky

  • Thelotoky

  • amphitoky

  • artificial parthenogenesis

  • physical stimuli

  • chemical stimuli

  • significance of parthenogenesis

  • advantages

  • disadvantages

  • post fertilization events

  • the zygote

  • embryogenesis- oviparous, viviparous

  • YouTube
  • Twitter
  • LinkedIn
  • Facebook

RAVSUN

NEET/Board/Foundation

Contact Us