Annual Rings | Class 11th Biology | Chapter 10

AOA In this video lecture you will learn about annual rings of plants in pashto. This topic has been taken from class 11 biology chapter 10 forms and function in plants. We will discuss that how bark of a plant is formed. How many layers are there is stem of plant? The following are the layers: Cork, Cambium, Cortex, Vascular cambium, Xylem and phloem. The xylem is also called secondary growth or wood. There are two types of growth in plant that are autumn growth and spring growth. Like, Share, Comment and don't forget to subscribe. Thanks For Watching. #AnnualRings #Biology #Clas11 #Plants