#Biomentors #NEET 2021: Biology - Sexual Reproduction in Flowering Plants lecture - 6

#Biomentors #NEET 2021: Biology – Sexual Reproduction in Flowering Plants lecture – 6



1. Pollination
2. Fig & Fig wasp
3. Salvia & Lever mechanism
4. Yucca & Tegiticulla moth
5. Calotropis & Translator equipment
6. Pollen & Nectar as rewards
7. Pollinators
8. Pollen robbers & Nectar robbers

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46 thoughts on “#Biomentors #NEET 2021: Biology – Sexual Reproduction in Flowering Plants lecture – 6

  1. Herkogamy: mechanical barrier.
    Clestigamy: close flower
    Ophiophily: pollinated by snake
    Wind pollinated adaptation: light pollen grains,one ovule in each ovary,well exposed stamen stigma,feathery stigma,

  2. Plz 🙏🙏🙏🙏🙏 repley anyone
    How much syllabus of bio chem and physics
    Has been completed till now
    For neet 2021 in regular and focus batch

  3. 1-herkogamy= morphlogical barriers in flower to avoid self pollination
    2-Cleistogamy = flowers remains closed after maturation to promote 100%self fertillization
    3-Entamophily = polination by means of insect
    4-ophiophily =pollination by means of snakes
    5-pollination by means of Bat = chiroptarophily
    6-adoptations are as follows
    anther produces huge amount of pollen grains
    stigma become large and feathery
    pollen grains light weighted and have wings like structures to assure a drastic flight
    hope i did it correctly

  4. herkogamy=

    cleistogamy: the flowers of some plants remain close so as to promote self pollination

    entomopjily: pollination by insects

    ophiophily: pollination by snakes

    pollination by bat: chiropterophily

    adaptation of wind pollinated flower:

    1. stigma will be feathery and long

    2. pollen will be light weight

    3. no nectar will be produced by the flower and also not are very brightly coloured

    4. anther will be protruding

    the adaptation shown is of wind pollinated flower

  5. Herkogamy -barrier between male and female flower
    Cleistogamy -close flower
    Entomophily -through insect pollination
    Ophiophilly- through snake pollination
    Through Bat pollination -chireptophilly
    Wind pollination flower-stigma -feathery
    Anther -small , wingy ,light

  6. Good evening sir
    1-. Flower have Barrier bw androceium nd gynoceium
    2-. Pollination by incsect
    3-. Pollination by snake
    4-. Chirepterophily
    5-. Long and feathery stigma , sticky and large poolen grain
    6-. Wind pollination
    7-.

  7. Herkogamy-marphological barrier due to which self pollination not possible
    Cleistogamy-closed flower,self pollination,bisexual
    Entamophily- insect pollination
    Ophiophily- snake pollination
    pollination by bat – Chiropterophily
    Adaptation for wind pollinated flower- stigma- long ,adhesive,hairy & long style ,light pollen grains
    Fig.wind pollination

  8. Herkogamy – physiological barrier
    Cleistogamy – flower which do not open at all
    Entomophily – pollination by insect
    Ophiophily – pollination by snake
    Pollination by bat – chiropterogamy
    Adaptation in a wind pollinated flower
    ⚪style is well exposed in air
    ⚪pollen grains are light , nonsticky
    ⚪stigma is long feathery and hairy

    Wind pollinated flower

  9. herkogamy-some morphological bariers to prevent self pollination
    cleistogy- closing of flowers to ensure self pollination
    entomophily- pollination by insects 👏🐛🐜🐝🐞
    ophiophily- pollination by snake 🐍 🐍 🐍
    pollination by bat ⚾⚾-
    adoption in wind pollination -🎑💨🍃🎐
    staments are long and we'll exposed ones
    stigma is stikky and long
    polengrain💣 are released in larger number light and nonstickky
    flower are colourless and no nector is present

  10. 👁️‍🗨️ HERKOGAMY – Morphological barrier and ensure No self pollination to promote outbreeding.

    👁️‍🗨️Cleistogamy – The closed flower ( promote self pollination) eg. Viola, oxalis and commelina

    👁️‍🗨️ Entemophilly – pollination by insects.

    👁️‍🗨️ Ophiophily – Pollination by Snake 🐍

    👁️‍🗨️ Chireptophilly – Pollination by Bats.

    👁️‍🗨️ Adaptation in wind pollinated flowers-
    1. Dull flower
    2. No nector
    3. Thousands of pollen grain
    Produced.
    4. Stigma lie above than other florals
    Parts.
    5. Feathery stigma .. eg. Corn 🌽

    👁️‍🗨️ Given fig. Is Wind pollinated flower. eg. Grass family

  11. 1= Herkogamy=IN this a barrier is establish to prevent self fetilization of the flowe
    2.clestogamy=in this the floer is closed which ensured that self fertlization of same flower
    3.entomophilly=it is the pollination carried out by the insects
    4.ophiophyly=pollination of snake
    5=chirophyly pollination by bats
    6=in wind pollination=the pollens are light weith,nonsticky,flying etc.stigma is large and feathery

  12. Herkogamy ❤️Morphological barrier which prevents self pollination
    Cliestogamous ❤️ closed flower
    Entamophily ❤️ pollination by insect

  13. 1)Herkogamy-some morphological barrier which make self pollination impossible, flower mature at different time
    2)cleistogamy-pollination in closed flower(self pollination)
    3)Entomophily-pollination by insects
    4)Ophiophily-pollination by snakes
    5)🙄🙄🙄
    6) Adaptation in wind pollinated flower-a) pollen grains are light in weight
    b)stigma should be long and sticky
    c) pollen grains should be released in large numbers

  14. Herkogamy- morphological barrier resists pollination
    Cliestogamy – flower do not open at all and assured self pollination and seed set occurs
    Entomophily- pollination by insects
    Ophinophyiy- pollination by snake
    Chiropterophily- pollination by bat
    Wind pollinated flower has well exposed stamens and large often feathery stigma. Non sticky pollen,have no nectar and are not colour full

  15. Sir you said that fig and fig wasp not survive without each other if any one of them disappear but when we are studying evolution there you said that ki jeevan apni rah khud dhod leta hai to kya ye inme naho hoga??
    To kya sir ye apne liye reproduction ka tareka dusara nahi choose karenge

  16. Herkogamy- maturation of flower at different time.
    Cleistogamy -no mature of flower at time of fertilization.
    Ophiophily-snake
    Pollination by Bat-chieropteriphily
    Wind pollinated flower – feathery and light weight -stgma and pollen grain.

  17. Herkogamy: when morphological barrier is developed to prevent self fertilization…
    Cleistogamy: when flower is closed to promote self fertilization
    Pollination by bat : chaeroptophilly
    Pollination by snake: ophiopholly
    Wind pollination adaptation
    1 feathery stigma
    2 pollen grain produce in enormous amount
    Pollen should be light weight

  18. 1 ) morphological barrier between male and female part
    2 ) closed flower
    3 ) pollination by insect
    4 ) pollination by snake
    5 )……….
    6 ) wind pollination adaptation
    Feathery stigma, pollen relased in huge no. , flower nector less odourless non attractive flower
    5:50 – wind pollination

  19. Q1) Herkogamy :- in some flowers morphological Barriers developed in which make self pollination impossible
    Q2)Cleistogamous flowers :- in this type of flower were we have see pollination is closed type so the anthers and stigma lies close to each other . They fully promote self pollination
    Q3) Entomiphily :- Pollination by insects
    Q4) ophiophily :- Pollination by 🐍
    (SNAKES)
    Q5) Bat :- chiropteriphily
    Q6) adaptation of wind pollination :-
    1) pollen grains are light and non sticky
    2) when exposed stamens
    3) pollen grains are feathers in structure so they stick on the surface of stigma
    4) No need of external Pollinating agens
    Q7) 5:41 :- Wind pollination

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