NEET UG Chemistry

NEET UG – Chemistry Practice Paper (Previous Years’ Questions) Part 21 | Topic: Chemistry in Everyday Life Total Questions: 30 | Total Marks: 120 Q1. Drugs that reduce fever are called: Antibiotics Analgesics Antipyretics Antiseptics Antipyretics reduce body temperature. Q2. Drugs that relieve pain without causing sleep are: Antipyretics Analgesics Antibiotics Tranquilizers Analgesics relieve pain. Q3. Which drug is used as an antiseptic? Aspirin Penicillin Dettol Paracetamol Dettol is a common antiseptic. Q4. Penicillin is an example of: Antiseptic Antibiotic Analgesic Antacid Penicillin kills bacteria. Q5. Substances used to kill microorganisms on surfaces are: Antibiotics Antiseptics Disinfectants Antacids Disinfectants kill microbes on surfaces. Q6. Which drug neutralizes stomach acid? Antacid Antibiotic Analgesic Tranquilizer Antacids neutralize stomach acid. Q7. Aspirin is commonly used as: Antibiotic Analgesic Antacid Antiseptic Aspirin relieves pain. Q8. Which compound is used as a preservative in foods? Sodium benzoate Glucose Sodium chloride Ethanol Sodium benzoate prevents microbial growth. Q9. Artificial sweetener used by diabetic patients: Glucose Saccharin Lactose Maltose Saccharin is calorie-free. Q10. Tranquilizers are used to: Kill bacteria Reduce anxiety Neutralize acid Increase appetite They calm the nervous system. Q11. Which compound is an antacid? Mg(OH)₂ NaCl CH₃COOH HCl Magnesium hydroxide neutralizes acid. Q12. Drugs preventing allergy are: Antiseptics Antihistamines Antibiotics Analgesics Antihistamines reduce allergic reactions. Q13. Example of antiseptic: Iodine Sugar Water Oxygen Iodine is used on wounds. Q14. Example of antibiotic: Paracetamol Aspirin Penicillin Saccharin Penicillin kills bacteria. Q15. Preservatives prevent: Digestion Microbial growth Sweetness Color They stop microorganisms. Q16. Example of artificial sweetener: Glucose Saccharin Fructose Lactose Saccharin is artificial. Q17. Drug reducing stomach acid: Antibiotic Antacid Analgesic Antiseptic Antacids neutralize acid. Q18. Example of tranquilizer: Aspirin Diazepam Penicillin Glucose Diazepam reduces anxiety. Q19. Drug preventing bacterial infection: Antibiotic Antacid Analgesic Antipyretic Antibiotics kill bacteria. Q20. Drug reducing pain: Antibiotic Analgesic Antacid Tranquilizer Analgesics relieve pain. Q21. Food preservative example: Sodium benzoate Water Oxygen Sugar Prevents microbial growth. Q22. Sweetener used in diet drinks: Glucose Aspartame Lactose Fructose Aspartame is artificial sweetener. Q23. Disinfectant example: Phenol Sugar Water Oxygen Phenol disinfects surfaces. Q24. Drug lowering fever: Antipyretic Antibiotic Antacid Antiseptic Antipyretics reduce fever. Q25. Artificial sweetener example: Saccharin Glucose Maltose Lactose Saccharin has no calories. Q26. Drug reducing anxiety: Antibiotic Tranquilizer Antacid Analgesic Tranquilizers calm nerves. Q27. Example of analgesic: Aspirin Penicillin Saccharin NaCl Aspirin relieves pain. Q28. Drug fighting infection: Antibiotic Antacid Analgesic Antipyretic Antibiotics fight infections. Q29. Chemical used in antiseptic lotion: Chloroxylenol Glucose Sodium chloride Oxygen Used in Dettol. Q30. Chemistry in everyday life mainly studies: Drugs Food chemicals Preservatives All of these All are part of daily life chemistry. Submit Paper Conclusion: Why Practicing Part 21 (Chemistry in Everyday Life) Is Important for NEET Preparation The chapter Chemistry in Everyday Life is one of the most practical and relatable sections in the NEET Chemistry syllabus. Unlike many other chapters that involve complex mechanisms, equations, and numerical calculations, this topic focuses on understanding how chemical principles influence our daily lives through medicines, food additives, preservatives, disinfectants, and sweetening agents. Practicing NEET UG Chemistry Practice Paper – Part 21 allows students to strengthen their grasp of these concepts and convert this chapter into a reliable scoring opportunity in the examination. One of the key advantages of this chapter is that the questions are generally conceptual and memory-based rather than calculation-intensive. NEET frequently includes direct questions from topics such as analgesics, antibiotics, antiseptics, disinfectants, antacids, antihistamines, tranquilizers, and artificial sweeteners. Students who regularly practice questions related to these categories become familiar with the terminology and their applications, making it easier to answer such questions quickly during the exam. This speed is crucial because the time saved here can be used to tackle more complex questions from physical or organic chemistry. Another important aspect reinforced by solving Part 21 is the clear differentiation between various types of drugs and their functions. Many students initially confuse the roles of antibiotics, antiseptics, and disinfectants. Through consistent practice, they learn that antibiotics fight bacterial infections inside the body, antiseptics prevent microbial growth on living tissues, and disinfectants are used to destroy microorganisms on non-living surfaces. Understanding these distinctions is essential because NEET often tests these concepts through simple but tricky multiple-choice questions. The practice paper also strengthens understanding of analgesics and antipyretics, which are commonly used medicines in everyday life. Analgesics are drugs that relieve pain, while antipyretics help reduce fever. Aspirin and paracetamol are classic examples frequently discussed in the syllabus. By solving structured questions on these drugs, students develop a clear understanding of their classification and uses. Such knowledge not only helps in NEET preparation but also builds a broader awareness of common medicines encountered in daily life. Another key area covered in this chapter is antacids and antihistamines, which play an important role in maintaining human health. Antacids neutralize excess stomach acid and are commonly used to treat acidity and indigestion. Compounds such as magnesium hydroxide and sodium bicarbonate fall into this category. Antihistamines, on the other hand, help reduce allergic reactions by blocking the action of histamine in the body. NEET often includes questions related to these compounds, and practicing them regularly ensures that students can answer them confidently. The chapter also introduces students to food preservatives and artificial sweeteners, which are widely used in the food industry. Preservatives such as sodium benzoate and sodium metabisulfite help prevent microbial growth in food products, thereby increasing their shelf life. Artificial sweeteners like saccharin and aspartame are used as sugar substitutes, particularly for people with diabetes or those following calorie-restricted diets. Understanding the properties and uses of these substances helps students appreciate the practical applications of chemistry in the food we consume every day. Another interesting aspect of this chapter is its connection to modern pharmaceutical chemistry. Drugs are designed to interact with specific biological targets in the body, such as enzymes or receptors. Even though NEET questions are generally simplified, having a conceptual understanding of how drugs work can help students better interpret exam questions. Practicing Part 21 reinforces the classification of

Total Questions: 30 | Total Marks: 120 Q1. Polymers are formed by the process called: Hydrolysis Polymerisation Oxidation Reduction Small monomers join to form polymers. Q2. Nylon-6,6 is an example of: Addition polymer Condensation polymer Copolymer Elastomer Formed by condensation reaction. Q3. Natural rubber is made from: Isoprene Ethene Styrene Vinyl chloride Polymer of isoprene. Q4. Which polymer is used in non-stick cookware? Nylon Teflon Bakelite PVC Teflon is PTFE. Q5. Which polymer is biodegradable? Nylon PHBV Teflon PVC PHBV is biodegradable. Q6. Which polymer is formed by addition polymerisation? Nylon Terylene Polythene Bakelite Ethene polymerizes to polythene. Q7. Bakelite is: Thermoplastic Thermosetting polymer Elastomer Fibre Bakelite is a thermosetting plastic. Q8. Terylene is also called: Polyester Polyamide Polyethylene Polypropene Terylene is a polyester. Q9. Buna-S rubber is made from: Butadiene + Styrene Butadiene + Acrylonitrile Ethene + Propene Styrene only Synthetic rubber. Q10. Nylon is classified as: Fibre Elastomer Thermoplastic Thermosetting polymer Used as synthetic fibre. Q11. PVC is prepared from: Vinyl chloride Styrene Isoprene Ethanol Polymer of vinyl chloride. Q12. Neoprene is prepared from: Chloroprene Butadiene Styrene Ethene Polymer of chloroprene. Q13. Teflon is a polymer of: Tetrafluoroethylene Styrene Ethene Vinyl chloride Teflon is PTFE made from tetrafluoroethylene. Q14. Buna-N rubber is formed from: Butadiene + Acrylonitrile Butadiene + Styrene Styrene + Ethene Isoprene + Styrene Buna-N is nitrile rubber. Q15. Starch is a polymer of: Fructose Glucose Sucrose Ribose Starch consists of glucose units. Q16. Cellulose is made of repeating units of: α-glucose β-glucose Fructose Galactose Cellulose contains β-glucose units. Q17. Which polymer is used in making electrical switches? PVC Nylon Bakelite Polythene Bakelite is heat-resistant and insulating. Q18. Polymerisation that occurs by repeated addition of monomers is called: Condensation polymerisation Addition polymerisation Step polymerisation Copolymerisation Monomers join without elimination of small molecules. Q19. Nylon-6 is produced from: Caprolactam Hexamethylenediamine Adipic acid Ethene Caprolactam polymerises to nylon-6. Q20. Which polymer is commonly used in plastic bottles? PVC PET Nylon Bakelite PET is used in beverage bottles. Q21. Vulcanization of rubber involves addition of: Chlorine Oxygen Sulfur Nitrogen Sulfur forms cross-links in rubber. Q22. Polymer used in bulletproof jackets is: Nylon Kevlar PVC PET Kevlar is extremely strong fibre. Q23. Which polymer is used for making ropes and fishing nets? Nylon PVC Bakelite Teflon Nylon fibres are strong and durable. Q24. Which polymer is used in raincoats? Nylon PVC PET Bakelite PVC is waterproof. Q25. Which polymer is used in pressure cookers? Teflon Nylon Polystyrene PVC Teflon resists heat and chemicals. Q26. Which polymer is used for making combs? PVC Bakelite Nylon PET Bakelite is rigid and durable. Q27. Polystyrene is formed from monomer: Styrene Vinyl chloride Ethene Isoprene Styrene polymerises to polystyrene. Q28. Which polymer is commonly used for packaging materials? Nylon Polythene Bakelite Kevlar Polythene is widely used for packaging. Q29. Which polymer is formed by condensation polymerisation? Polythene PVC Nylon Polystyrene Nylon is a condensation polymer. Q30. Polymers are important because they: Form plastics Form fibres Form rubber materials All of these Polymers have wide industrial applications. Submit Paper Conclusion – Part 20 (Polymers) The Polymers chapter is one of the most straightforward and memory-based topics in the NEET Chemistry syllabus. Unlike many other organic chemistry chapters that involve complex reaction mechanisms, polymers focus mainly on understanding the types of polymers, monomers, polymerisation reactions, and industrial applications. Because of this, the chapter often provides students with quick and reliable marks in the examination. Practicing Part 20 helps students clearly understand the difference between addition and condensation polymers, which is one of the most frequently tested concepts in NEET. Students learn to identify polymers such as nylon, terylene, bakelite, and polythene along with their corresponding monomers and preparation methods. These questions are often direct, but they require precise recall of facts. Another important concept reinforced in this practice paper is the classification of polymers into thermoplastics, thermosetting polymers, elastomers, and fibres. NEET frequently includes questions asking students to identify which category a particular polymer belongs to. Understanding these classifications helps in quickly solving such questions without confusion. The chapter also emphasizes synthetic rubbers and biodegradable polymers, which are increasingly relevant topics. Materials such as Buna-S, neoprene, and PHBV are commonly discussed in NEET-level questions. Practicing these MCQs ensures that students can easily remember their monomers, structures, and uses. Another advantage of mastering polymers is that the chapter requires conceptual clarity rather than lengthy calculations or reaction mechanisms. This makes it an excellent chapter for last-minute revision before the exam. Students who regularly practice questions like those in Part 20 can strengthen their recall ability and improve their confidence in handling theory-based chemistry questions. Overall, solving this practice paper helps improve speed, accuracy, and retention of key polymer concepts, making it easier for students to secure marks from this chapter. With proper revision and consistent practice, polymers can become one of the most reliable scoring areas in the NEET Chemistry paper. Another important reason why the Polymers chapter is considered a scoring topic in NEET Chemistry is its strong connection to real-world materials and industrial chemistry. Unlike some theoretical organic chemistry chapters, polymers relate directly to everyday products such as plastics, synthetic fibres, rubber materials, and biodegradable plastics. Understanding these applications not only helps students remember polymer names easily but also improves their ability to answer application-based questions in the NEET examination. One of the key concepts reinforced through practice questions in this paper is the relationship between monomers and the resulting polymer structure. Students often confuse the monomers used to produce polymers such as nylon-6,6, terylene, neoprene, and Buna-S. Regular practice helps students clearly associate each polymer with its respective monomer units. Once this connection becomes clear, answering NEET questions becomes much easier because many questions simply test recognition of these relationships. Another concept strengthened by solving Part 20 is the mechanism of polymerisation reactions. In the NEET syllabus, students are expected to distinguish between addition polymerisation and condensation polymerisation. Addition polymerisation involves unsaturated monomers joining together without loss of small molecules, while condensation polymerisation