Class 9 Biology Chapter 5 | Leaf as an Organ | Urdu + English | PCTB 2025| New Syllabus скачать в хорошем качестве

Class 9 Biology Chapter 5 | Leaf as an Organ | Urdu + English | PCTB 2025| New Syllabus

Class 9 Biology Chapter 5 | Leaf as an Organ | Urdu + English | PCTB 2025| New Syllabus 📘 Lecture 3 – Chapter 5: “Tissues, Organs & Organ Systems” 📗 Class 9 Biology – Punjab Curriculum & Textbook Board (PCTB) 2025 📙 Aligned with Single National Curriculum (SNC) 🌐 Medium: Urdu + English 🎯 Topic: organs and organ systems in plants- Leaf as an Organ – Structure, Function, and Plant Tissues In this lecture, we explore how the leaf acts as a complete organ in plants. You'll learn about its internal structure, main tissue types, and how these tissues work together to perform essential functions like photosynthesis, gas exchange, and protection. The focus is on three types of tissues found in the leaf: 🔹 Epidermal Tissue – protection and transpiration 🔹 Mesophyll Tissue – site of photosynthesis 🔹 Spongy Tissue – gas exchange With board-based MCQs, short and long questions, and diagrams explained in Urdu and English, this lecture is ideal for matric science exam preparation. 🌿 Key Topics Covered: ✅ What is an organ in plants? ✅ Why is a leaf considered an organ? ✅ Functions of the epidermal tissue ✅ Structure & role of mesophyll tissue ✅ Importance of spongy tissue ✅ Solved board questions and key points ✅ Urdu + English textbook support ✅ PCTB 2025 curriculum coverage 🎯 Best For: Class 9 Biology Students (Urdu + English Medium) PCTB 2025 New Book Readers Punjab Board / SNC-Based Curriculum Teachers & Tutors explaining plant systems Matric Board Exam & Key Book Preparation Entry Test Aspirants (PPSC, NTS, JST Science) 🔍 Searches leaf as an organ class 9 biology class 9 biology leaf as an organ functions of leaf tissues epidermal tissue plant mesophyll tissue in leaf spongy tissue function plant organs class 9 chapter 5 class 9 biology tissues in plants class 9 biology urdu english medium PCTB 2025 new syllabus single national curriculum biology class 9 biology solved mcqs leaf internal structure explained matric biology chapter 5 leaf ko organ kyun kehte hain plant ka leaf organ kaise hai epidermal tissue kya hai mesophyll tissue ka kaam spongy tissue ki ahmiyat class 9 ka bio lecture bio ka chapter 5 urdu mein punjab board ka science course bio ki new book 2025 plant ka internal structure bio ke short long sawalat urdu english biology lecture bio organ aur tissue urdu mein biology class 9 urdu 9Th Class Biology New Book 2025 || National Curriculum of Pakistan || Punjab Board 9th new Biology Chapter 4 cell cycle short questions new biology book class 9 punjab text book board new biology 2025 2025 new biology class 9 ptb new book biology 9 Complete Book 9th Biology New Book 2025 9 new biology punjab text book board 2025 New syllabus 2025 - 2026|New Books 2025 - 9th and 11th books changed in punjab boards punjab board new books changed punjab board books change 2024 changed books of class 9 and 11th |federal board,syllabus changed for all punjab board exams 2025, changed books of class 9 and 10th |federal board,books changed for all punjab boards books changed for all boards of punjab,9th class new books federal board punjab board books change for 9th and 10th,9th class books changed class 11th changed books,syllabus changed for all punjab board exams 2026 bio class 9 new book punjab text book board 2025 ptb new book biology class 9 📘 Watch Complete Playlist of Full New Book Biology 9th class Changed Syllabus (New Syllabus), Full Book + Urdu & English Explanation + Solved Exercises): https://youtube.com/playlist?list=PL0Yw 3er_yY_afpoJn54DnRAERvgxVVEk&si=fzmevByJgoD1V6PF 📘 Watch Complete Playlist of 9th Class Biology (FULL BOOK + Urdu & English Explanation + Exercise):    • Class 9 Biology Full Book | All Chapters L...   📘 Watch Complete Playlist of 9th Class Chemistry (FULL BOOK + Urdu & English Explanation + Exercise):    • Class 9 Chemistry Full Book | All Chapters...   Knowlogy360 Class 9 Biology Chapter 5 tissue, organs and organ system Solved Exercise Biology MCQs Urdu Medium Biology English Medium Science PCTB 2025 Biology New Book 2025 Board Exam Biology PPSC NTS JST Biology #leaf #9thnewbiology2025 #9thnewbiology #punjabboardnewbiologyclass9 #newsyllabus #newsyllabuspunjabcurriculum #9thnewbiology2025 #punjabboardnewbiologyclass9 #newsyllabus #newsyllabuspunjabcurriculum #9thbiology #class9biology #biologyclass9 #exampreparation #biologynewbook2025