NEET Biology Video Course

Sexual Reproduction in Flowering Plants(Code-RSP)

Class XII 12 Biology Sexual Reproduction in Flowering Plants- Part 1(structure of the flower)-RSP1

 

  • parts of a typical flower

  • calyx

  • corolla –perianth

  • androecium

  • gynoecium or pistil

  • functions of a flower

Class XII 12 Biology Sexual Reproduction in Flowering Plants- Part 2(The stamen(=microsporophyll)-RSP2

  • Structure of Anther

  • microsporangium

  • development of pollen sacs or microsporangia

  • microsporogenesis

  • dehiscence of anther

  • microspore and pollen grain structure

  • pollen viability

  • pollen allergy

  • pollen products

  • fate of pollen grains after their dispersal

  • development of male gametophyte

  • pre-pollination development

  • post-pollination development

Class XII 12 Biology Sexual Reproduction in Flowering Plants- Part 3(The carpel (=megasporophyll) and the ovule (=megasporangium)-RSP3
  • structure of the ovule- funiculus, hilum, raphe, nucellus, embryo sac, integuments, micropyle, chalaza

  • types of ovules

  • orthotropous

  • anatropous

  • hemitropous

  • campylotropous

  • amphitropous

  • circinotropous

  • megasporogenesis and development of female gametophyte(megagametogenesis)

  • structure of monosporictype embryo sac

Class XII 12 Biology Sexual Reproduction in Flowering Plants- Part 4(Pollination)-RSP4
  • pollination

  • autogamy

  • cleistogamy

  • homogamy

  • bud pollination

  • geitonogamy

  • advantages of self-pollination

  • disadvantages of self-pollination

  • pollination (xenogamy, allogamy)

  • anemophily

  • hydrophily

  • zoophily

  • entomophily

  • coevolution of flower and its pollinator species

  • pollination in salvia

  • pollination in yucca

  • pollination in orchid-ophrys

  • pollination in ficus

  • ornithophily

  • chiropterophily

  • malacophily

Class XII 12 Biology Sexual Reproduction in Flowering Plants- Part 5(outbreeding devices or contrivances to ensure cross pollination)-RSP5
  • dicliny

  • dichogamy

  • prepotency

  • self fertility

  • heterostyly

  • herkogamy

  • advantages and disadvantages of cross pollination

  • Pollen-pistil interaction

  • Self incompatability

  • Emasculation and bagging

Class XII 12 Biology Sexual Reproduction in Flowering Plants- Part 6(growth of the pollen tube)-RSP6
  • entry of the pollen tube into the ovule

  • double fertilization

  • Post fertilization changes

  • development of endosperms

  • nuclear endosperm

  • cellular endosperm

  • helobial endosperm

  • fate of endosperm

Class XII 12 Biology Sexual Reproduction in Flowering Plants- Part 7(development of embryo(embryogeny)-RSP7
  • in dicotyledons, structure of dicot embryo

  • in monocotyledons, structure of monocot embryo

  • development of seed

  • development of fruits

  • role of pollination in fruit development

  • role of seeds in fruit development

  • development in parthenocarpic

  • ripening of fruits

  • significance in seed and fruit formation

  • bean seed, castor seed, maize seed, onion seed

  • viability of seed

  • importance of seeds

  • dependable methods

  • perennation

  • dispersal

  • reserve food

  • variations

  • storage

  • agriculture

  • significance of fruit formation

  • protection

  • dispersal

  • fruit to animals

  • nutrition to germinating seeds

  • parthenocarpy

Class XII 12 Biology Sexual Reproduction in Flowering Plants-Part 8 (sexual incompatibility) -RSP8
  • morphological self-incompatibility

  • physiological self incompatibility

  • gametophytic self incompatibility

  • sporophytic self incompatibility

  • importance

Class XII 12 Biology Sexual Reproduction in Flowering Plants-Part 9 (Apomixes and polyembryony) -RSP9
  • Apomixes- agamospermy and vegetative propagation

  • Agamospermy

  • Adventive embryony

  • Recurrent agamospermy

  • Parthenogenesis

  • Apospory and apogamy

  • importance

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