This quiz works best with JavaScript enabled. Home > Class 8 > Class 8 Science Chapter 3 Synthetic Fibres And Plastics – Quiz 14 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 8 Science Chapter 3 Synthetic Fibres And Plastics Quiz 14 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Which fibre is meant to be strong than a steel wire A) Nylon. B) Rayon. C) Silk. D) Wool. Show Answer Correct Answer: A) Nylon. 2. Which of the following is not a characteristic of synthetic fibers? A) Synthetic fibers are very durable. B) Synthetic fibers absorb very little water. C) Synthetic fibers are wrinkle resistant. D) Synthetic fibers are extremely thick and strong. Show Answer Correct Answer: D) Synthetic fibers are extremely thick and strong. 3. Which type of plastics become soft on heating and harden when cooled? A) Thermoplastics. B) Thermosetting plastics. C) Polyvinyl chloride. D) Bakelite. Show Answer Correct Answer: A) Thermoplastics. 4. Which country has banned the usage of plastic bags? A) Argentina. B) Iceland. C) China. D) Norway. Show Answer Correct Answer: C) China. 5. Synthetic fibres are generally: A) Hydrophilic. B) Hydrophobic. C) All the above. D) None of the above. Show Answer Correct Answer: B) Hydrophobic. 6. Plastics which have cross-linked arrangement of molecules are A) Thermoelectric plastics. B) Thermoplastics. C) Thermosetting plastics. D) None of these. Show Answer Correct Answer: C) Thermosetting plastics. 7. Rayon is the different from synthetic fiber because A) It has a silk like appearance. B) It is obtained from wood pulp. C) Its fibers can also be woven like those of natural fibers. D) All the above. Show Answer Correct Answer: B) It is obtained from wood pulp. 8. Main source of raw material for producing synthetic fibre is: A) CNG. B) LPG. C) Refined oil. D) Petroleum. Show Answer Correct Answer: D) Petroleum. 9. Polyster is made up of A) Rayon. B) Nylon. C) Easter. D) Cotton. Show Answer Correct Answer: C) Easter. 10. Silk fibre is obtained from silk worm whereas artificial silk is obtained by the chemical treatment of ..... A) Paper pulp. B) Rayon. C) Coal, air and water. D) Wood pulp. Show Answer Correct Answer: D) Wood pulp. 11. Which of the following is natural fibre obtained from plants? A) Cotton. B) Wool. C) Rayon. D) Ketone. Show Answer Correct Answer: A) Cotton. 12. Cotton is made of ..... as its polymer unit A) Plants. B) Wood pulp. C) Cellulose. D) Animals. Show Answer Correct Answer: C) Cellulose. 13. ..... is the first fully synthetic fibre. A) Acrylic. B) Polyester. C) Nylon. D) Rayon. Show Answer Correct Answer: C) Nylon. 14. What is the term for the non-biodegradable substance that cannot be decomposed by natural processes? A) Polymer. B) Thermoplastic. C) Thermosetting plastic. D) Plastic. Show Answer Correct Answer: D) Plastic. 15. What is correct about Synthetic Fibres? A) They are made by humans in labs and industries using petrochemicals. B) They cannot be obtained from Plants or Animals. C) The examples of synthetic fibres are Rayon, Nylon, Acrylic and Polyester. D) All of the Above. Show Answer Correct Answer: D) All of the Above. 16. Read the given statements and mark the appropriate answer.Statement 1:Fabric made from polyester does not get wrinkled easily.Statement 2:Polyester is a natural fibre. A) Both statements 1 and 2 are true andstatement 2 is the correct explanationof statement 1. B) Both statements 1 and 2 are truebut statement 2 is not the correctexplanation of statement 1. C) Both statements 1 and 2 are false. D) Statement 1 is true and statement 2is false. Show Answer Correct Answer: D) Statement 1 is true and statement 2is false. 17. WHICH OF THE FOLLOWING STATEMENTS ABOUT PLASTICS ARE TRUE?1. ALL PLASTICS DO NOT HAVE THE SAME ARRANGEMENT OF MONOMER UNITS.2. MELAMINE RESISTS FIRE AND AND CAN TOLERATE HEAT BETTER THAN OTHER PLASTICS.3. PLASTICS WITH CROSS-LINKED MONOMERS ARE ALSO KNOWN.4. PLASTICS HAVE LIMITED APPLICATIONS. A) 1 AND 3 ONLY. B) 3 AND 4 ONLY. C) 1, 2 AND 3 ONLY. D) 1, 3 AND 4 ONLY. Show Answer Correct Answer: C) 1, 2 AND 3 ONLY. 18. What is the type of arrangement of polymers in Thermosetting Plastic? A) Linear arrangement of polymers. B) Random arrangement of polymers. C) Cross-linked arrangement of polymers. D) None of the above. Show Answer Correct Answer: C) Cross-linked arrangement of polymers. 19. ..... plastics can be reheated and remolded. A) Thermo. B) Thermosetting. C) Semi. D) None of the above. Show Answer Correct Answer: A) Thermo. 20. Which natural fibre does acrylic resemble? A) Wool. B) Silk. C) Cotton. D) None. Show Answer Correct Answer: A) Wool. 21. Which term is used for polymers made up of a large number of glucose units? A) Protein. B) Fructose. C) Cellulose. D) Polyester. Show Answer Correct Answer: C) Cellulose. 22. ..... is one of the 4Rs. A) Recover. B) Regenerate. C) Rescue. D) None of these. Show Answer Correct Answer: A) Recover. 23. A natural fibre obtained from plants A) (a) Cotton. B) (b) Wool. C) (pencil. D) (d) Ketone. Show Answer Correct Answer: A) (a) Cotton. 24. Which is the Strongest Synthetic fibre? A) Cotton. B) Rayon. C) Spandex. D) Nylon. Show Answer Correct Answer: D) Nylon. 25. Polyester is repeating units of ..... A) Ether. B) Beads. C) Carbon. D) Ester. Show Answer Correct Answer: D) Ester. ← PreviousNext →Related QuizzesClass 8 Science Chapter 3 Synthetic Fibres And Plastics Quiz 1Class 8 Science Chapter 3 Synthetic Fibres And Plastics Quiz 2Class 8 Science Chapter 3 Synthetic Fibres And Plastics Quiz 3Class 8 Science Chapter 3 Synthetic Fibres And Plastics Quiz 4Class 8 Science Chapter 3 Synthetic Fibres And Plastics Quiz 5Class 8 Science Chapter 3 Synthetic Fibres And Plastics Quiz 6Class 8 Science Chapter 3 Synthetic Fibres And Plastics Quiz 7Class 8 Science Chapter 3 Synthetic Fibres And Plastics Quiz 8Class 8 Science Chapter 3 Synthetic Fibres And Plastics Quiz 9Class 8 Science Chapter 3 Synthetic Fibres And Plastics Quiz 10 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books