Two fibres are made up of proteins. some are very thick and stiff, others are very smooth, fine and flexible. Fibre (marked 3) is wool and fibre (marked 4) which is used for weaving saris is silk. Plant fibers vary greatly in their physical characteristics. B) Hemp done clear. Silk and wool 2. Answer: The fibres which are made from chemical substances or which are not obtained from the plant and animal sources are called synthetic fibres. Answer: Fibre (marked 1) which is used in filling quilts is cotton and fibre (marked 2) is jute. 2. Which one of the following is not a natural fibre (a) Nylon (b) Cotton (c) Flax (d) Jute (a) Nylon. Shawl and Dhoti. It is used to make conveyor belts. Name the process of taking out silk fibres from the cocoon for use as silk. Answer the following questions: Question 1. Jute 3. 1) Plant fiber is which type of cell? What is fibre? 4. (g) Polyester is a natural fibre. PET is a very familiar form of (a) chemical (b) monomer (c) polyester (d) polyphenyl Give one use of each of the following: 1.Nylon. Cellulose is a. polymer. III. The most prevalent plant fiber is: cotton. (f) Silk fibre is obtained from the stem of a plant. (e) Silk fibre is obtained from the stem of a plant. A-Photosynthesis B-Binary Fission C-Meiosis D-Mitosis 4) Which of these is a nonvascular plant? Cellulose 4. 3. DIRECTIONS: Read the passage (s) given be low and answer the questions that follow. Question 16. ___ is an example of dietry fibre. The most common plant fibers used in textile. 7. Answer: Silk and wool are two fibres which are made up of proteins. To which class, animal fibre or plant fibre, artificial silk belongs to? C) … Cotton is plant fibre obtained from the Cotton plant. Cotton is a flowering plant, which belongs to … The seed of cotton is called (a) Bolus (b) Ginny (c) Binola (d) Silver ... Plant fibre (c) Synthetic fibre (d) Natural fibre (d) Natural fibre. 3.Polyester. It is a tropical plant which is mainly grown in regions having black soil and warm conditions. Following are a few examples of fibre crops: Cotton. Answer: Which of the following is not a man-made fiber grouping? Jute. Answer: The jute plant is normally harvested at flowering stage. 4. Answer: Artificial silk is a plant fibre. (cotton and jute are plant fibres). 2.Bakelite. Which of the following plant fibre is used for Bed-Sheets? a. For example, polyester, nylon, and acrylic etc. Some are amorphous. Plant Fiber. Question 15. In the examination of fibers, the first and most important step in the examination will be: a- the determination if the fiber is natural or man-made. A) Jute done clear. Give two example of unstitched garments ___ and ___ Answers: 1. Jute is obtained from a plant called ___ 5. Question: Explain how jute is obtained from the jute plant. (c) plant products (d) kerosene. Name them. So, Beera should grow cotton plant in his field. seeds, fruits, stems, and leaves all produce natural plant fibers. A- Collenchyma B- Parenchyma C-Sclerenchyma D-Xylem 2) Reproductive structures of a plant are always produced by the plants leaves. Answer. (b) Cotton fibre comes from the cotton plants and cotton crop is usually grown at places having black soil and warm climate. True False 3) Plant meristems produce new cells by which of these processes? Patsun 5. Examples of Fibre Crops. Bakelite was originally used for electrical and mechanical parts. Bag 5.PVC Poly Vinyl water pipes cotton. In hot humid conditions, which of the following fabrics will you choose for wearing? (wool and silk are animal fibres). Question 10: The correct sequence to get cloth is (a) fibre -> fabric -> yarn (b) fibre —> yarn -> fabric (c) fabric —> yarn fibre (d) yarn fibre … Parachute. a) Mohair b) Spandex c) Rayon d) Polyester. 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