Common examples are xylem and phloem. Plants and animals are made up of many different kinds of tissues. The sclerenchymatous cells do not have such thickenings. Also, see Tissues Class 9 Notes, Video Explanation and Question Answers. 2. The cells of collenchyma are living and have the cytoplasm and the nucleus. NCERT Exemplar solution for class 9 science Chapter 6 Tissues is a premier study material that will help the students in understanding the concepts of the chapter “Tissue”. Chapter-wise NCERT Solutions For Class 9 Science Chapter 6 Tissues (Biology) solved by Expert Teachers as per NCERT (CBSE) Book guidelines. Meristematic tissue is the dividing tissue present in the growing regions of the plant. Get CBSE Class 9 Chapter 6 Tissues. What are Tissues? The “tissue” is very crucial in order to understand Biology topics in Class 10 and in higher secondary classes. Answer. Complex tissues are made of more than one type of cells that work together as a unit. The tissues are dead which makes the plant hard and stiff (eg. The cells are dead. Question 3. 3. SCLERENCHYMA. Home » Class 9 » Tissues » Permanent tissue. Aerenchyma: A spongy or soft plant tissue with large air spaces found between the cells of the stems and leaves of many aquatic plants, which allows exchange of gases between the shoot and the root Chlorenchyma: In some cases the parenchyma cells contain chloroplasts and are called as chlorenchyma.These cells are meant for photosynthesis. Collenchyma Sclerenchyma 1. They do not have the cytoplasm and the nucleus. These are difference between collenchyma and sclerenchyma. tissues 1. ... Collenchyma You must have seen that some plant parts can bend without breaking. 1. Complex tissues consist of parenchyma and sclerenchyma cells. There are four types of collenchyma cells: tangential, annular, lacunar, and angular. In plants and animals groups of cells called tissues carry out specific functions. CHAPTER - 6 TISSUES CLASS :- IX MADE BY :- SHIVA PRASAD SCHOOL :- KV 2 SADRAS KALPAKAM 2. Permanent tissue. Collenchyma cells are elongated cells with thickened cell walls that provide structure and support for plants. 1) Tissues :- Tissue is a group of cells having similar structure and function. State its function. They are classified as simple and complex tissues. 2. The collenchyma cells have thickening of cellulose and pectin at the corner of its cells. CBSE Class 9 Science Chapter 5 Tissues Exercise Questions with Solutions to help you to revise complete Syllabus and Score More marks. Question 1 Write down the functions of Sclerenchyma? They are generally found below epidermis of dicot stem and petiole. Permanent tissues are derived from meristematic tissue once they lose the ability to divide. This feature is due to the presence of a mechanical tissue called collenchymas. For example, groups of bone cells form bone tissues and muscle cells form muscle tissue. 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