Answer: ... Aerenchyma helps the leaves of lotus plant to float on water. Wrong! Sclerenchyma What are the […] Continue reading … ... aerenchyma. Their main function is to initiate growth in new cells of seedlings, at the tip of roots, and shoots. What is the function of phloem? 1.2 In desert plants, ... Other cells have large air cavities called aerenchyma which provide buoyancy to the hydrophytic plants. →Function: • Aerenchyma provides buoyancy and allows the circulation of gases. Q3. what is aerenchyma ? Where is apical meristem found? NCERT Solutions Class 9 Science Tissues . Other articles where Aerenchyma is discussed: cortex: …a type of tissue called aerenchyma, which contains air spaces produced by separation, tearing, or dissolution of the cortex cell walls. Class 9 Science Chapter 6 Extra Questions and Answers Tissues. 69. Parenchyma possesses intercellular air spaces and is named as Aerenchyma. Parenchyma tissue is of further two types – Aerenchyma and Chlorenchyma. →Location: • It is present in the root, stem and leaves of mostly aquatic plants. Aerenchyma →Structure: • Aerenchyma is an parenchymatous spongy tissue that forms spaces, gaps and air channels in the stem, roots and leaves. Aquatic plants have the air cavities in parenchyma. Class 9 Science Chapter 6 Extra Questions Answers are important for the preparation of school tests as well as final exams. CBSE Class 9 Science Chapter 5 Tissues Exercise Questions with Solutions to help you to revise complete Syllabus and Score More marks. chlorenchyma. Gas transport in the pathway may be simple diffusion or may be due to pressure flow (see Raven, 1996 and Jackson & Armstrong, 1999 for reviews). state its functions. Chapter-wise NCERT Solutions For Class 9 Science Chapter 6 Tissues (Biology) solved by Expert Teachers as per NCERT (CBSE) Book guidelines. Simple permanent tissues are Parenchyma, Chlorenchyma, Aerenchyma, Collenchyma and Sclerenchyma, on the other … It also serves the functions of storage of food reserves, absorption, buoyancy, secretion etc. Class-9 » Science. In many species, root aerenchyma is a component of a pathway of gas conducting tissue extending to the shoot. Parenchyma cells that have large air cavities are known as aerenchyma. Collenchyma (3). When exposed to light, parenchyma cells may develop chloroplasts and are known as Chlorenchyma. Define tissue. Which tissue makes up the husk of coconut? In the chapter tissues class 9 notes, majorly, we will discuss two types of permanent tissues, i.e, Simple and Complex. INTEXT QUESTIONS AND ANSWERS. This topic provides a basic framework for the next level, including the anatomy and physiology of the human body. Sclerenchyma is mechanical in function and is a dead cell. Ø Three types of simple tissue system in plants: (1). Share with your friends. Solution: Apical meristem is present at the growing tips of stems and roots. Page No. Parenchyma (2). Share 2. it is a type of paranchyma tissue which helps the aquatic plants to float-4 ; View Full Answer parenchymatic tissues present in aquatic plants are known as aerenchyma.these tissues provides buoncy to … Class 9, Science Chapter 6: Tissue is an extremely interesting topic which provides the complete information related to tissue, types of tissue, and their functions. The tissue is defined as a group of cells which are similar in structure and work together to perform a particular function is known as tissue. Q1. Question 4. • Transportation of Oxygen. Cortical cells in herbaceous stems, young woody stems, and stems of succulents (cacti and other fleshy plants) contain chloroplasts and can therefore convert carbon dioxide and water to simple… Parenchyma (Structure, Classification and Function of Parenchyma) What is simple tissue? Correct! Q2. 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