The tissue can grow throughout life due to activity of meristematic tissue. Xylem helps to transport water and minerals. Vessel is a long cylindrical tube-like structure made up of many cells called vessel members. NCERT Solutions for Class 9 Science Chapter 6: Tissues. Tissues do only a: a. Answer: Tissues which are found in the regions of plant growth are called meristematic tissue. 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Class 9 Science Chapter 6 Important Questions of Tissues with answers and explanation. They do not provide mechanical strength to the plants. The tissue has more amount of dead tissue which provides mechanical strength to the plants. (ii) What precaution one should take to get rid of dengue? Students can get Class 9 Science NCERT Solutions, CBSE Class 9 Science Important Extra Questions and Answers designed by subject expert teachers. This tissue provides strength to the plants and is present in stems, around vascular bundles, in the veins of leaves and in the hard covering of seeds and nuts. Cells are thin walled and thickened with cellulose. Question 16: How are simple tissues different from complex tissues in plant? Their end walls are completely dissolved. 2.a Particular function. Multiple functions c. Both d. None. Question 2: Which of these is an example of secondary growth? Organ b. They also provide mechanical strength to the plants. Tissues Class 9 Extra Questions Short Answer Type 2. Formation of tissues results in specialization which increases the efficiency of a living being. Download CBSE Class 9 Science Animal Tissues MCQs Set A in pdf, Science chapter wise Multiple Choice Questions free, Animal Tissues 1. They are tubular structures having vacuolated cytoplasm and composed of living cells. Class 9 Science Chapter 6 Extra Questions Answers are important for the preparation of school tests as well as final exams. Xylem consists of tracheids, vessels, xylem parenchyma and xylem fibres. Body c. Tissue d. Organ-system. Answer: Parenchyma, collenchymas and sclerenchyma are the types of simple tissue. Once an organism becomes complex; it is not possible for a single cell to perform all the functions. The tissue is well differentiated into meristematic tissue and permanent tissue. Important MCQs on Class 9 Science Chapter 6 Tissues are provided here with answers. They are distributed throughout the plant body. We already provided class 9 science NCERT solutions.CBSE Classs 9 Science Extra questions are very helpful to score more marks, devlop problem solving skill and excel in exams. Cuboidal epithelium: Present in lining of kidney tubules and ducts of salivary glands. aquatic plants have large cavities to provide buoyancy to the plants to help them float, it is then called aerenchyma. Here you can get NCERT Extra Questions for Class 9 Science with Answers. We have Provided Tissues Class 9 Science MCQs Questions with Answers to help students understand the concept very well. 1. 3. Cartilage is pliable, flexible and resist compression. Question 10: In sclerenchyma tissue which substances responsible for make it strong and thickend? The cells of meristematic tissue keep on dividing continuously. Students must solve these questions to brush up their fundamental concepts so … Tissues Class 9 Extra Questions Science Chapter 6 Extra Questions for Class 9 Science Chapter 6 Tissues Tissues Class 9 Extra Questions Very Short Answer Questions Question 1. Hence, complex living organisms need to make tissues. They are tubular structures having a hollow lumen and composed of dead cells. Type of function the tissue performs: epidermis is protective, parenchyma is packing or supportive tissue and sclerenchyma makes up conducting tissue. Answer: In unicellular organisms; all the functions are performed by a single cell. Question 3: What is a tissue? Particular function b. Explain how the bark of a tree is formed. Answer: Sclerenchyma makes up the husk of coconut. Free PDF Download - Best collection of CBSE topper Notes, Important Questions, Sample papers and NCERT Solutions for CBSE Class 9 Biology Tissues. Answer: When the cells of a tissue attain a specialized function; the process is called differentiation. Answer: The simple tissues are made of one type of cells and complex tissues are made of one or more types of cells. Answer: Sclerenchyma Question 2. Ashu a student of class IX, suffered from high fever with headache. 1.c. It is called chlorenchyma if it contains chlorophyll and performs photos ynthesis. Their cell wall may be thick. Answer: Xylem is the type complex tissue which carry water and mineral in upwards direction. Epidermis is usually made up of a single layer of cells and gives protection. Question 17: What is the functions of the stomata? 2. Organ b. Most of the questions have been repeatedly asked in both board and other competitive exams. They help to coordinate the various functions of the body. 1.c. This solution contains questions, answers, images, step by step explanations of the complete Chapter 6 titled Tissues of Science taught in class 9. Answer: A group of similar or dissimilar cells which performs a specific task is called tissue. Phloem transports food from leaves to other parts of the plant. The tissue is complex as it is organised into organs and organ systems. Answer: Stomata helps in exchanging of the gases with the atmosphere and Transpiration also takes place through stomata. Cells are thick and thickened with lignin. A division of labour is necessary to attain specialization of tasks. Question 11: The food transported from leaves to other parts of plants by. Question 4: What do you understand by meristematic tissue? The tissue has more amount of living tissue than dead tissue. Answer. They are vacuolated, vary in shape and size. 2.a Particular function. Cartilage is present in the tip of nose, outer ear joints, between adjacent bones of the vertebral column. Their end walls have perforations in form of sieve plate. The epidermis of leaves have small pores called as stomata which help in gaseous exchange and transpiration. The tissue is not much differentiated like the plant tissue. We have Provided Tissues Class 9 Science MCQs Questions with Answers to help students understand the concept very well. Tissues do only a: a. The inner layers of the cell walls are more thickened. The cells of this tissue are very active, lack vacuoles, have dense cytoplasm, thin cell walls and prominent nuclei. The bone cells (Osteocytes) are present in the spaces called lacunae. Question 6: Which are the two main types of plant tissues? Consists of cells which have taken up a specific role and lost the ability to divide. The transport is bidirectional through the phloem. Question 4: What do you understand by meristematic tissue? Cells do not possess intercellular spaces. The cells of meristematic tissue keep on dividing continuously. Here we have provided NCERT Exemplar Problems Solutions along with NCERT Exemplar Problems Class 9.. What minerals is the bone matrix rich in? Question 15: What are the constituents of phloem? Its matrix is rich in calcium salts and collagen fibres. Phloem has four elements called sieve tubes, companion cells, phloem fibres and the phloem parenchyma. 1. Answer: Sieve tubes, companion cells, phloem fibers and the phloem parenchyma are the constituents of phloem. They are highly specialised for transmitting the stimulus from one place to another within the body on being stimulated.

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