Biology marathon class 12th | class 12th full biology in one Video Part-1 

Ham pure 21 Hours ka Video Upload Karane wale the Lekin RU-vid ke Terms & Duration Limit ke karan 2 Parts banane Pade...... utana Adjust Karlijiye Guys

Who is seeing at 2x😂

Sir mujhe 99 marks score karna hai biology mai aur ap humare liye itne efforts le rahe hai toh jarur 99 marks aaenge sir❤

6:35:13 chapter 6

1:35:34 chapter 2 3:10:57 chapter 3

3:43 chapter 1

Sir thank you so much for giving this video sir ye video bohot acchi h sare concept crystal clear hogai h again thank you so much sir for amazing video 🙏❤

Sir you are the best teacher for biology.🎉

sir you are best teacher for biology

Sir kya backlogs yha se complete kru multiple lectures ke badle Kya yha mera pura concept clear hoga

Thankyou so much sir❤

Sir biology hard lgta hai bhaut easy way me batao plzzz main chapter 1,2,3,4,8,9 ispe bhi banao

Sir Ye video se pura biology cover ho jayga agar isko hi bar bar dekhe to ⁉️

Thanku so much sir

Thankyou sir ❤

We need to teachers like you keep it up sir👍

Notes ke liye big thanks sir 😊

Nice video sir 🎉

Thank you sir really helpful ❤😊

Thank you sir

😊😊😊😊😊😊😊😊😊

Thanks you very much sir

Sir ek hi baar 21 hours ka video upload kar dete 😂😂

रामबाण

Thank you ❤

thank you so so so much sir ☺☺☺☺☺

Bestt 😮

sir sirf last 5 years ke pyq karenge toh chalenga kya???

Sir muje 100 out of 100 chahiye bio me

Sir of 11 th bio also pls

Baki 50% kaise hogi tyani sir🤔😊

7:29:35 chapter 7