Required fields are marked *. Due to this characteristic, the food passes to the next step of digestion in the alimentary canal. Describe the structural and function of different types of epithelial tissues. Every student needs a reliable guide to score better in the exam. (3) They show rhythmically contraction and relaxation throughout life. NCERT Solutions Class 9 Science Chapter 6 Tissues – Here are all the NCERT solutions for Class 9 Science Chapter 6. (ii) These are living cell. A single neuron can even be a meter long. Phloem consists of living cells (except phloem) 2. When parenchyma contains chlorophyll it is called as chlorenchyma, it is found in green leaves. All these cells co-ordinate to perform common function. NCERT solutions for Class 9 Science, Chapter 6, Tissues provides complete information regarding the topic along with the definitions and examples which are explained in a simple language and in a more accessible format for students to learn better and effectively. (4) Their rhythmic contraction and relaxation helps in pumping action of heart. (e) There are several thick layers. Two tissues jointly are responsible for the movement of our body, namely: A neuron is a nerve cell consisting of the cell body with a nucleus and cytoplasm from which a long and thin hair like structure emerges. . Functions: (a) It acts as a supporting and packing tissue between organs lying in the body cavity. (b) These cells are compactly arranged. They are connective tissues and are found in between skin and muscles. This happen because of transpiration due to which water is released from the plant in the form of water vapour which appears on the glass jar. What are the functions of cuboidal epithelium? Blood: It has a fluid called plasma, in plasma are present red blood cells, white blood cells and platelets. The root tips of a plant were cut and the plant was replanted. 8. (c) It keeps visceral organs in position. Question 14. You can get the class 9 NCERT notes. It joins skin to muscles, fills spaces inside organs, and is found around muscles, blood vessels and nerves. Question 12. The following are the features of the NCERT Solutions of this chapter. Which tissue make up the husk of coconut? What are the functions of areolar tissue? The parenchyma stores food and helps in the lateral conduction of water. Define aerenchyma. Question 19. What are fibres? (iv) Stores nutrient and water in stem and root. How are simple tissues different from complex tissues in plants? They are held together by loose connective tissue. Give the flow chart of plant tissues. Here you can get free NCERT Solutions for Class 9 Science, of Chapter 6 Tissues. • Take a freshly plucked leaf of Rheo. Answer: Stomata are small pores present on the surface of a leaf which helps in the exchange of gases and in transpiration. What are the functions of the stomata? These tissues are fibrous, flexible and with lot of strength. Answer: Question 2. We hope the given RBSE Solutions for Class 9 Science Chapter 6 Structure of Living Organisms will help you. Question 2. Answer: Stratified squamous epithelium is present in the skin. (c) Bone—Connective tissue (v) Some cells contain chlorophyll called chlorenchyma and perform photosynthesis. Xylem is composed of four different types of cells: (i) Tracheids (ii) Vessels (iii) Xylem parenchyma (iv) Xylem sclerenchyma Except xylem parenchyma all other xylem elements are dead and bounded by thick lignified walls. Answer: Cells of epidermis forms a continuous layer without intercellular spaces. The cells have thick walls and many of them are dead. Explain. Differentiate between striated, un-striated and cardiac muscles on the basis of their structure and site/location in the body. Name them. Which tissues are present at the nodes of the plants? The plants will die within few days of replanting it. Tissues present at the lateral surface of the stem are called apical tissues. NCERT  Solutions for Class 9 Biology Chapter - 'Tissues,' are explained in a simple language along with examples and differentiation charts, to help students present their answers better in exams and enhance conceptual understanding of the topic. They have deposition of suberin on the walls that make them impervious to gases and water. The smooth muscles are also known as unstriated or involuntary muscles. Animal on the other hand are heterotrophic organisms. These extra important questions cover the entire chapter 6 from NCERT Textbooks. Question 15. Question 1. Sieve tubes are tabular cells with perforated walls. Where is apical tissue found? An individual nerve cell is called neuron, it may be up to a metre long. Answer: Sclerenchyma. Observe the various types of cells and their arrangement. (5) Connective tissue with a fluid matrix. It also transports food, water to different parts of the body and connects them. (b) Tissue that connects muscle to bone in humans – Tendon, (c) Tissue that transports food in plants – Phloem, (d) Tissue that stores fat in our body – Adipose tissue, (e) Connective tissue with a fluid matrix – Blood, it is a fluid connective tissue, (f) Tissue present in the brain – Nervous tissue. They are also located around blood vessels and nerves and are present in the bone marrow. Here we have given Class 9 NCERT Science Textbook Solutions for Chapter 6 Tissues. It is a characteristic by the deposition of extra cellulose at the corner or cells. For more such interesting solutions, you can log on to our website or can download our free NTSEguru android mobile app from google play store. (1) Heart muscles (cardiac muscles) are cylindrical, branched and uninucleated Being a poor conductor of heat, it reduces heat loss from body i.e. Involuntary muscles function on their own. Question 2. Answer: The process of taking up a permanent shape, size and function by cells is called differentiation. Why is blood called connective tissue? Here you can get the NCERT Book Class 9 Science Chapter 6 Tissues. Lymph: Lymph carries digested fat and lot of white blood cells in the plasma. 30 Days Study Plan for IBPS RRB Officer Scale 1 and Office Assistant Prelims. Function: Nervous tissue receives the stimuli and transmit the stimulus rapidly from one place to another within the body.

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