(c) … Name the sources of obtaining fibres. Which of the following is an animal fibre? b) Spinning is a process of making fibres. Name some wool yielding animals. Recent work on prebiotics and understanding the benefits of a healthful large bowel microbiota has increased the interest in dietary fibers. (b) Wool is obtained from a sheep. Fibres are of two types: natural fiber, which consists of animal and plant fibers, and man-made fiber, which consists of synthetic fibers and regenerated fibers. State whether the following statements are true or false: a) Yarn is made from fibres. Answer: The fibres which are made from chemical substances or which are not obtained from the plant and animal sources are called synthetic fibres. At the end of the Solutions, all the keywords and Notes which are important to understand NCERT Solutions for Class 7 Science Chapter 3- Fibre to Fabric, have been explained in a simple and easy to understand manner. Which of the following would be the right gift for her to buy? C) Flax done clear. Paheli wanted to buy a gift made of animal fibre obtained without killing the animal. A. Biopharmaceuticals are cheaper and easier to produce in mass quantities than pharmaceuticals derived from animals. View Solution play_arrow; question_answer52) DIRECTIONS: Read the passage (s) given be low and answer the questions that follow. f) Silk fibre … NCERT Solutions for Class 7 Science Chapter 3 – Fibre to Fabric, contains solutions to various questions in Exercise for Chapter 3. Question 2. D) Jute done clear. Which of the following is not released by trees into the atmosphere? A) Cotton done clear. Q2. Answer: (a) Silk is obtained from a silkworm. All these animals have an outer covering of hair, which is shaved off to obtain wool fibres. Leather is not a fibre. It is just the animal skin treated with chemicals. Explanation: Obtained from wool which does not require the killing of animals. NCERT Solutions for Class 7 Science: Chapter 3 – Fibre to Fabric are given below. Answer: The sources of obtaining fibres are plants and animals. For example, polyester, nylon, and acrylic etc. Question 1. Page No 42: Question 1: Name the source from which the following are obtained: (a) silk (b) wool (c) angora. B. Not until recently have we begun to understand the numerous benefits dietary fiber may have on dog and cat health and well-being. The cell wall, chloroplasts and vacuole are found in plant cell rather than animal cells. Soln: The answer is (a) Woollen shawl. In particular, the database regarding … You must be familiar with the following nursery rhymes: (i) … C) Wool done clear. View Solution play_arrow; question_answer40) We can get wool from which of the following animals? D) Nylon done clear. Fibre to Fabric Class 7 Science Extra Questions Very Short Answer Type. e) Weaving of yarn makes a piece of fabric. Question1. These components are know as organells of a cell and these organells for a plant are vital for its functionality and survival. d) The process of removing seed from cotton is called ginning. A) Cotton done clear. There is no difference in meaning between fiber and fibre. (a) Woollen shawl (b) Silk scarf (c) Animal fur cap (d) Leather jacket. Dietary fiber has long been an important ingredient in companion animal diets. Question 3. c) Jute is the outer covering of coconut. The most common fiber used to make paper is _____. Answer: Wool yielding animals are sheep, yak, llama, alpaca, angora goat, angora rabbit and camel. Some animals that live in cold places generally develop a thick coat of hair on their body. Wood. Wool is a natural animal fibre obtained from sheep, goat, yak, camel, etc. For example, polyester, nylon, and acrylic etc. B) Silk done clear. B) Jute done clear. What is the difference between fiber and fibre? Which of the following is an animal fibre? C. Ozone. 3. 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