Draw well labelled diagram. Parenchyma tissue is composed of thin-walled cells and makes up the photosynthetic tissue in leaves, the pulp of fruits, and the endosperm of many seeds. Answer: Answer: It provides mechanical strength and support. A) Name a plant tissue having dead cells. We have seen the husk of a coconut. (c) Connective tissue Their size, shape, and structure vary greatly. Tissue is a group of cells having similar origin, structure& function. In brain, spinal cord and nerves. Theory: ADVERTISEMENTS: A group of cells of the same … Name the […] Question 2: (a) dendron The nucleus is prominent at the periphery with cytoplasm but the centre of the cells consist of vacuole. Neuron is the nerve cell. (d) glycerine, Question 4: (a) A Improve your knowledge on nerve cell function and find out more about the brain and nerves with DK Find Out for kids. You can bite fruits like guava, grapes, banana etc. Question 12: All Activity; Questions; Unanswered; Categories; Users; Ask a Question ; Ask a Question. Name the type of tissues present in husk of coconut. The following diagram gives the structure of a nerve cell. Download free PDF of best NCERT Solutions , Class 9, Biology, CBSE-Tissues . Each nerve cell consists of prominent nucleus and granular cytoplasm with projections called dendrites. It is made of sclerenchymatous tissue. (d) complex permanent tissue. Chapter-wise NCERT Solutions For Class 9 Science Chapter 6 Tissues (Biology) solved by Expert Teachers as per NCERT (CBSE) Book guidelines. The skin of fruits like apple, grapes guava is very soft and made up of soft tissues. (c) has no striations and is uninucleated (b) Epithelial tissue forms the covering or lining of free body surfaces, both internal and external. (ii) Name any two regions in the plant where this tissue is present. They are generally located in the leaf veins, hard coverings of the seeds and can also be found surrounding the vascular bundle. These cells are commonly seen below the epidermis in petiole, leaves and stems. The wrong labelling is: The striated muscle fibres are Complete NCERT Solutions - Tissues Class 9 Notes | EduRev chapter (including extra questions, long questions, short questions, mcq) can be found on EduRev, you can check out Class 9 lecture & lessons summary in the same course for Class 9 Syllabus. The thickened, secondary walls are lignified to provide support to the surrounding plant tissues. Four students A, B, C and D observed parenchyma tissue and drew the following diagrams. (c) Cylindrical with striations and many nuclei Tissues Class 9 ppt ... jute,linen and hemp used in textiles,hard shells like that of walnut ,husk of coconut and seed coat are all formed of sclerenchyma cells PERIOD 3 9. Name different parts of neuron. Answer: (b) unstriated muscles Draw neat diagrams showing the transverse and longitudinal sections of simple permanent tissues. To know more about Tissues, visit here. Question 25: The nerve cells has a neuron with a large body called cyton. B) Xylem fibres are elongated dead cells with lignin that provide mechanical support. (d) cytoplasm and nucleus. Cells of the tissue in the mounted slide were observed to have large central vacuole and irregularly thickened at comers. This article was most recently revised and updated by, https://www.britannica.com/science/sclerenchyma. Describe the structure and function of different types of epithelial tissues. Question 11: By signing up for this email, you are agreeing to news, offers, and information from Encyclopaedia Britannica. Sclerenchyma, in plants, support tissue composed of any of various kinds of hard woody cells. Collenchyma cells are known for providing mechanical support to the plants, by protecting the delicate inner part of the plant. (d) Position of vacuoles. NCERT Exemplar Class 9 Science is very important resource for students preparing for IX Board Examination. Cell walls are thickened at the comers. Organ b. Answer: (a) parenchyma (d) Collenchyma cells have large central vacuole in it with thick comers. NCERT Class 9 Science Lab Manual – Plant and Animal Tissues EXPERIMENT Aim To identify parenchyma and sclerenchyma tissues in plants, striated muscle fibres and nerve cells in animals, from prepared (permanent) slides and to draw their labelled diagrams. Mention the function of skeletal muscles in our body. (c) nucleus (a) Cytoplasm, nucleus, dendrite, axon Place the permanent slides one by one. Each cell shows prominent nucleus and axon and c differ from ordinary parenchyma tissue electrical impulse from... 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