CHAPTER - 6 TISSUES CLASS :- IX MADE BY :- SHIVA PRASAD SCHOOL :- KV 2 SADRAS KALPAKAM 2. Collenchyma cells are elongated cells with thickened cell walls that provide structure and support for plants. Plants and animals are made up of many different kinds of tissues. Last Updated on March 20, 2019 By Mrs Shilpi Nagpal 3 Comments. For example, groups of bone cells form bone tissues and muscle cells form muscle tissue. The cells are dead. These are difference between collenchyma and sclerenchyma. The tissues are dead which makes the plant hard and stiff (eg. Tissues are found in plants and animals. Get CBSE Class 9 Chapter 6 Tissues. Answer. ... Collenchyma You must have seen that some plant parts can bend without breaking. Permanent tissue. The cells of collenchyma are living and have the cytoplasm and the nucleus. The “tissue” is very crucial in order to understand Biology topics in Class 10 and in higher secondary classes. CBSE Ncert Notes for Class 9 Biology Tissues. 3. The collenchyma cells have thickening of cellulose and pectin at the corner of its cells. Question 3. The sclerenchymatous cells do not have such thickenings. 1. 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. tissues 1. Home » Class 9 » Tissues » Permanent tissue. SCLERENCHYMA. Chapter-wise NCERT Solutions For Class 9 Science Chapter 6 Tissues (Biology) solved by Expert Teachers as per NCERT (CBSE) Book guidelines. Common examples are xylem and phloem. CBSE Class 9 Science Chapter 5 Tissues Exercise Questions with Solutions to help you to revise complete Syllabus and Score More marks. Permanent tissues are derived from meristematic tissue once they lose the ability to divide. Also, see Tissues Class 9 Notes, Video Explanation and Question Answers. They do not have the cytoplasm and the nucleus. State its function. 2. Mention the most abundant muscular tissue found in our body. 2. 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”. Complex tissues consist of parenchyma and sclerenchyma cells. 1) Tissues :- Tissue is a group of cells having similar structure and function. Parenchyma, collenchyma and sclerenchyma are three types of simple tissues. Question 1 Write down the functions of Sclerenchyma? A group of cells having common origin, similar structure and performing a definite function is called a tissue. They are generally found below epidermis of dicot stem and petiole. In plants and animals groups of cells called tissues carry out specific functions. They are classified as simple and complex tissues. 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