Sexual Reproduction in Flowering plants Class 12 #2| Pollination |Double Fertiization | CBSE NEET

[@trakintechxrohitman4576]

I'm an online Aakash student n I even go to offline tutions to study but trust me , my concepts only get crystal clear when Roshni ma'am teaches! I have just fell in love with her teaching style!

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[@PRIYANSHI.SINGH19]

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[@yashswibharose]

Timestamps: 0:00 Introduction 1:02 Pollination 3:11 Self Pollination 4:11 Cross Pollination 5:14 Types of Pollination 5:40 Autogamy 11:08 Geitonogamy 12:24 Xenogamy 14:04 Pollinating agents 15:04 Pollination by Wind 17:39 Pollination by Water 19:06 Pollination by wind and water 19:55 Pollination by biotic agents 20:43 Insect/animal pollination 21:58 Yucca plant-Moth relationship 24:37 Outbreeding devices 30:36 Compatibility between pollen and pistil 33:20 Compatibility pollen and pistil interaction 36:50 Incompatible pollen pistil interaction 37:21 Pollen pistill interaction 39:21 Artificial Hybridization 43:30 Fertilization in a flowering plant 44:59 Double Fertilization 45:43 Post fertilization events 47:20 Endosperm 50:14 Free-nuclear endosperm 51:31 Types of Seed 53:08 Embryo 53:55 Stages of Embryogeny in an embryo 54:51 Dicotyledonous Embryo 57:27 Monocotyledonous Embryo 58:30 Seed 58:51 Ovule to Seed 1:01:09 Basic Structure of a seed 1:02:21 Types of seed: Monocot & Dicot 1:02:53 Dicotyledonous seed structure 1:05:44 Monocotyledonous seed structure 1:08:16 Ovary to Fruit 1:08:35 Fruit 1:09:41 Edible pars of different fruits 1:12:45 Fruit types 1:13:26 Parthenocarpic fruit 1:15:01 Seeds:Uses in Agriculture 1:15:50 Apomixis 1:18:32 Apomixis: Importance

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Thnx

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Hloo

[@krishnarastogi1167]

Gaadhe

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Thanks❤

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Thank you 😊

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Content is really sufficient but u need to do lots of question practice and pyqs.​@RXNeditz

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one teacher = 4 subjects ....realy great. .you are gifted.....🙏

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21:02 this is exception to you. Because you are teaching your best for free. But God will give you a great reward.

[@md-vz3mn]

Ma'am plzz plz plz plz plz plz upload HALOALKANES AND HALOARENES it's my request because allready you are very very very very very late . Plz ma'am I trust you .

[@mahendrabhatnagar80]

yes 😔😔😔😔

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Yes ma'am

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Yes ma'am start organic chemistry

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Yes ma'am plz start organic chemistry....

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[@aakhyakumari5822]

Ma'am please upload Haloalkanes and haloarenes. We are waiting for it since long .

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Yess I really need that too plz Ma'am upload it asap

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Yup

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Given 98k in byjus and 25k in unacadmy and 2.5k in pw but whith just a simple vedio of this channel have cleared my doubts thnx mam

[@036unnatitapdiya6]

A big big big request for haloalkanes and haloarenes pleaseee!♥️

[@Lovefi_boy_24]

Yes

[@Lovefi_boy_24]

I also need

[@PARDEEPKUMAR-ls1iy]

Yup

[@AnoNymous-zg8sc]

I watch all the ads. Quality of learning on lernohub is unmatched on KZbin. I hope you make more videos on class 12th biology. It is seriously requested. Thanks so much, I don't think I can get any better understanding of the chapter than this. Having watched both the videos on Sexual Reproduction in Flowering PIants I feel confident. I'm hoping to see more videos on class 12th biology. It is seriously needed. The effort behind the making of these videos is noticeable. And is admirable. Once again, thank you so much for making these contents free of cost. But I watch all your ads religiously. And I always will as long as I'm learning from this channel.

[@chathurya]

Ma'am please upload organic chemistry as we so late. Iam having pre term 1exams from tomorrow, and I don't know anything about organic chemistry.😭😭

[@crazyworldboy2546]

12th?

[@PartTimeLearning813]

Yes... Mam please make videos according to term 1 12th I have too many doubts 😭😭😭 It's too late to say but please mam help

[@crazyworldboy2546]

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[@thamizharasikathirvel1232]

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Thank you so much mam Concept all clear 😮

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Mam plzz start organic chemistry 😁😁😁 . It's my request 🥰

[@Pariii689]

Seed mature -) water content decreases then the seed totally dries up After dried up seed has 2 options 1. Dormant stage (unfavorable stage) no growth occurs.. 2. Germinate ( favourable conditions)..eg dhaniya seeds!!

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Yes mam, concepts are crystal clear. Please upload all the chapters of term-1 soon.

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Thanks a lot 😊

[@ananyaatrey4523]

Thank you mam ...now this chapter's concepts are crystal clear in my mind.....Please make more of these type of lessons......this video was so easy to understand....thankyou again😊🙏🏻

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All concepts hua crystal clear 👍👍

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Mein bhi pcmb ka hu tum agar chaho toh hum dost banein

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u r the best teacher ever till now

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Maam your video's r very very helpful...plz upload more chapters of biology...

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[@zainy142]

Parthenocarpy is the formation or development of fruit without fertilization. Apomixis, on the other hand, is the formation of seeds without fertilization

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I am akashian but my concept clear to roshni mam thank you so much ma'am ji 🙏🙏

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best video of this chapter on whole yt, tq soo much❤️

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Mam plz make the video on organic chemistry , it's my humble request...

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Roshini mam one of the best teacher in my life.... I started learn ho hub in class 12......❤❤❤

[@mamali0987]

Part 2 ke liye main tadap rahi thi , wow ap ne upload kardia ab main bahat khus hnu , meri doubts eb crystal clear hoga 😍😍😍😍😍Hureeeeee🥳🥳🥳🥳🥳🥳🥳🥳🥳❤️❤️❤️❤️❤️❤️❤️❤️❤️❤️❤️❤️❤️❤️❤️❤️❤️❤️❤️❤️❤️❤️❤️❤️❤️❤️❤️❤️❤️❤️❤️❤️❤️❤️❤️❤️❤️❤️❤️❤️❤️❤️❤️❤️❤️❤️❤️❤️❤️❤️

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1:19:00 Concepts hue crystal clear. Thank you so much ma'am 🙇🙏

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Ma'am , aap bohot late videos daal rahi ho 😭😭 , please term 1 se pehle pura karwa dijiye 🙏🏻🙏🏻🙏🏻

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THE BEST ALL-IN-ONE TEACHER

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All concepts are crystal clearMa'am 😇 Thanks a lot to you this lecture is really very helpful

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❤❤

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Concept hue cryst and clear.. Thank you mam !

[@saniakhan_23]

Thank you so much ma'am for an excellent explanations!! After watching this video my doubts are crystal and clear!! No one can teach better than you ! Ma'am, please please teach us other chapters of Physics, chemistry and biology of class 12th..

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Unexpected explanation mujhe ummid nahi thi my all concepts are crystal clear

[@factstreet1394]

Hats off man ❤ I just watched both of the lectures of this chapter and made notes of every point spoken by him and when I go to read ncert I see every point has already covered in this lecture best video for board's preparation guys 😄❤.......

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School teacher❎ KZbin teacher✅

[@majeedqazi8534]

Maam a small doubt: During Emasculation..can’t the anthers grow back again ? Regeneration?

[@manthannayak2227]

Ma'am such a wonderful tecaher ur u provide notes also

[@thesnehabanik]

Thank you so much ma'am .. My concept in this chapter is now crystal clear .. 🙏

[@hadiuncharted]

in the start of the video the cross pollination and xenogamy does not occurs between flowers of different species but rather between different flowers of same species in another plant 13:20 4:11

[@subhopanigrahi]

Ma'am really helpful watching your videos ,it will be grateful if you could complete all the biology( 11th & 12th )chapters as soon as possible

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Mam , can u plz do the other chapters of biology too ❤️🙏

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A grateful thanks for you ma'am 💗 you are really genius and I can't explain my gratitude to you.....

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All concepts crystal clear

[@anshutiwari6562]

Ma'am I happy 😗💖 because you are uploading biology lectures as well. Thank you so much 😘💓 There is one more request make next vedio of Halo alkane and Halo arene🙏🙏🙏

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Ma'am plz upload biotechnology and left over chapters of ecology and environment

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Concepts hue crystal clear 👀thnkuh so much mam this slides are so helpful while facing any prob in chapters👍🙏thnkuh mam...

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Ma'am u did not discuss about protandry and self sterility

[@divyaghoshal]

Ma'am ma'am pls pls upload haloalkanes and haloarenes as fast as possible... Pls pls ma'am 🥺❤

[@varanjotkaur3]

You don't have notes?? Rr u frmm class 12??

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Mam please complete chemistry first. We are in wait for your video. Please mam please 🙏

[@athulyapramod7776]

1:11:56 ha Kerala pe banana leaves pe serve karthe hai or banana flower ko bhi cook karke khathe hai stem ka achar banayi jathi hai😆❤️