Biology Maha-Marathon | Chapter 1,2,3,4 Biology | By #newindianera #biologyclass12

Biology Maha-Marathon | Chapter 1,2,3,4 Biology | By #newindianera #biologyclass12 By New Indian Era

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[ashfanabdulrahmanansari]

Vote for 2024 board exam for watching this video

[vickythorat__]

Pov : Prashant sir's laughing in 2x speed 😂

[WeeBoii]

9:36 1st Lesson
1:44:38 2nd lesson
Thanks me later 🙌💯

[himanshidhandravepoems]

And meiosis occur where four haploid megaspores formed wher upper three are degenerated and one is functional. Growth and nourish by nucellus and 1st mitosis and till continue three mitosis divisions occur where 2 female gamer and three antipodal cell two synergid form, singal megaspores development called monosporic development.. development of female gametophyte---.is endosporus because development is inner.. they are colourless concealed in the ovule..
Pollination -
Tranfer of pollen grain from anther to stigma is called pollination.
Two type of pollination self and cross. Self pollination occur in same plant in crossed pollination occurring two different plant. On the basis of pollination three type of pollination.. autogamy - bisexual. Geitonogamy different flowers of same plant. Xenogamy cross pollination...
Pollination occur through agent two type of agents abiotic and biotic.. pollination by wind called anemophily most of crop pollinated through wind ex wheat corn rye .doesn't have nector colourless inconspicuous .. pollination by insect called entomophily lagre showy bright colour sweet odour and have nector gland .. pollination by bird called orinthophilly* poor sense bright colour showy and and has nector.. pollination by bat called chiropteryphilly .. flower is dull colour strong frangnace .. eg anthocephalus, adasonia, kigelia outbreeding .. contrivances.
Prevent self pollination to promote cross pollination and increase genetic diversity.
1). unisexuality..
Plant bear either male or female flower
2) dichogamy
Protandary .androecium mature earlier than the gynoecium

[someoneuk]

Sir aapne jitna humare liye kiya utna humare clg or classes wlo n b ny kiya

[himanshidhandravepoems]

Double fertilization. Is complex mechanism when two male gamet enter in embryo sac via pollen tube .. first fertilization in haploid male fuse with haploid female gamet called 1 fertillization.. .
Endosperm called nutritive tissue development of embryo and endosperm stimulanously occur..
Nuclear type without wall formation mitotiiclll t devide..

[himanshidhandravepoems]

Seed consist of two covering. After fertilization zygote formed. . significance dormancy in unfravable condition where it's adaptive mechanism for survival of plant.. apomixis. Asexual reproduction the embryo formed. . recurrent, non recurrent, adventive embryo . Parthenocarpy development of fruit without process of fertillization ex banana papaya etc.. polyembryony development of more than one embryo.

[someoneuk]

Sir aap boht acche ho may god bless you aap boht aage badhoge 🔥🔥🔥🔥🔥

[Rollexx_FF]

Prashant bhaiya getting naughty day by day 😂😂

[adityapatle]

Love uhhh Prashant sir. ❣️🤍❤️‍🔥❤️‍🩹❤🧡💛💚💙💜🤎💕💞💓💗💖💝💘💌💥💫

[cheplalnagpure]

Your the world's best teacher sir to you for your loveable teaching for a free

[kdrama_beauty]

For legends only🔥🤣
1:16:08
1:50:17
1:51:30
1:55:39
1:56:40
2:02:20

[himanshidhandravepoems]

Hilum antipodal chalaza embryosac antipodal secondary nucleus outer intugement

[prarthanadethe]

Majedar session tha amazing ekdam😂❤ lec dekh k aab toh topper bhi mere samne fail hai 💪thank u so much sir...🙏

[shatakshiraut]

Thank You sir ....tumhi jevadh aamchya sathi kel /karta tevdh offline coaching wale sudha nhi kart 💯🥺🔥♥️

[syed_ayesha_ali]

Bhaiya phod k aayege bio ko bhi 🔥🔥🔥 amazing lecture 💯💯

[Sanyuta]

Sabko 12th me 90%+ mil jaye ✨🌟🔥😇









-Aisa prashant sir chahte he 😃👍

[RiyaSingh-rlls]

The session was as always amazing sir hope for the best for tomorrow's lecture 😊

[samyak___]

Sir important diagram ka video banavo 💯💯💯🌹🌹🌹💖💖

[Coding_practice]

Sir plz explain imp topic in medium depth of all chapter
Plz sir it is humble request from me 🙏🏻🙏🏻🙏🏻🙏🏻🙏🏻