220K • subscribers biology lecture. As well as some important info and news for you tuber For students 9th,10th & Fsc. Please support me by watching my all videos and as well as share with your friends so that they will also watch to make concept. I want to make your concept not to give you notes because notes available everywhere. So watch me what come next and subscribe me to get notifications when I upload a video. Sayyed Usman Ali