They contain a respiratory pigment called hemoglobin which is involved in the transport of oxygen to tissues. (b) Lymph: Lymph is a colorless fluid filtered out of the blood capillaries. The blood plasma does not contain protein fibres but contain cells called blood corpuscles or blood cells. If platelets are absent, this important defense reaction cannot occur, and protracted bleeding from small wounds (prolonged bleeding time) results. During meiosis a germ cell or gamete divides to make four new sex cells. Aerolar connective tissue is found between the skin and muscles, around blood vessels and nerves and in the bone marrow. Sclereids are isodiametric, with liginified walls. Question 5 How is meristematic tissue different from permanent tissue? (1) It consist of cell body which contain central nucleus and cytoplasm from which long thin hair like part arises called dendrons. Watch Plant Tissues - Meristematic Videos tutorials for ICSE Class 9 Biology. Revise Biology chapters using videos at TopperLearning - 1334 14. Log in. Ø They provide mechanical support mainly in the primary plant parts such as young stem, roots and leaves. What is the consequence that occur if all blood platelets are removed from the blood? (c) Tendons, IV. Fnaf 1 Song, Their function is conduction of water and providing mechanical support to the plant. CBSE Class 9 Science Practical Skills – Plant and Animal Tissues. (c) Collenchyma Describe the different types of simple permanent tissue. (c) Sclerenchyma Hope you find my answer helpful. 8. 3. Question 2 Write down the functions of parenchyma? A permanent tissue is a group of cells, which is derived from the meristematic tissues, but these cells have lost the power of division temporarily or permanently. Ans. Function of Collenchyma Cells. It acts as supporting and packing tissue between organs lying in the body cavity. Xylem sclerenchyma (or fibers). Karnataka Board Class 9 Science Chapter 6 Tissues KSEEB Solutions for Class 9 Science Chapter 6 Intext Questions Question 1. Each part is in turn an assembly of different types of tissues. Sclerenchyma cells provide mechanical support to the plant. Question 2. Unlike collenchyma, mature cells of this tissue are generally dead and have thick walls containing lignin. Different types of tissues perform different function.It is because of this division of labour that multicellular organisms are able to perform all functions efficiently. Ø Collenchyma is the living mechanical tissue in the plants. What are the permanent tissues? Answer: Parenchyma are simple permanent tissue composed of living cells. Function of sclerenchyma tissue Mechanical support: sclerenchyma is made up of dead and lignified cells which provides support to plants. When cells of collenchymas contain some chloroplasts, they manufacture sugar and starch. Answer: Other cells have larger air cavities called arenchyma which provide buoyancy to the hydrophytic plants. To study parenchyma and sclerenchyma tissues in plants from prepared slides. The nucleus is round and lies in the centre. 2 ; View Full Answer it is a type of simpel tissue. Sclerenchyma consists of thick-walled cells which are often lignified. These cells are present in stem around the vascular bundle, in veins of leaves, in covering of seeds, etc. (a) sclerenchyma (b) tracheids (c) vessel (d) all the above. Ø Sclerenchyma is a simple permanent tissue in plants. Bones are present in the whole body forming internal skeletal framework. Mechanical and conductive sclerenchymatous tissue are two common types, based on the function of sclerenchyma. Xylem is a conducting tissue which conducts water, mineral nutrients upward from root to leaves. Husk of coconut). â Xylem sclerenchyma â¢ Phloem â Sieve tubes â Companion cells â Phloem fibre â Phloem parenchyma â Leptome Introduction â A group of cells that are similar in structure and/or work together to achieve a particular function forms a tissue. D) Both (a) and (c) ... Mohit was asked to draw a labelled diagram of sclerenchyma tissue as seen in … (c) performing a distinct function (d) all the above . Structurally they are long and narrow. Function. At times, they become meristematic partially or wholly. Ask questions, doubts, problems and we will help you. (e) Connective tissue with a fluid matrix. Mature sclerenchyma cells are usually dead and have thick secondary cell walls. Adipose tissue acts as food reservoir by storing fat. www.embibe.com. Squamous Epithelium is made up of thin, flat cells with prominent nuclei. 6. What is complex tissue? The cells are long and narrow, making the plant hard and stiff. In this fluid connective tissue, the blood cells move in a fluid matrix called plasma. They contract and relax rapidly, rhythmically and tirelessly throughout life.Relaxation and contraction of these muscles helps to pump and distribute blood to various body parts. Main function of sclerenchyma cells is to make plant hard and provide strength. The cell walls contain simple pits or canals, which link adjacent cells. Describe amitosis. Describe fluid connective tissue. Permanent tissues are of two types namely. If false, write the correct statement. Complex permanent tissue. They do not have the cytoplasm and the nucleus. Skin: Stratified squamous epithelial tissue, Lining of kidney : Cuboidal epithelial tissue, Vascular bundle: Complex permanent tissue(Xylem and phloem). 8. Such a parenchyma type is called. The main function of sclerenchyma is to provide support and mechanical strength to the plant. NCERT Solutions Class 9 Science Tissues . 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