Class 12 Chemistry Ch-14 Polymers MCQs Exam 2027 
Class 12 Chemistry Ch-14 Polymers MCQs Exam 2027 Details: नीचे दिए गए सभी Questions Bihar Board परीक्षा 2027 के लिए “Very Very Important Multiple Choice Questions (MCQs) Objective” (अत्यंत महत्वपूर्ण प्रश्न) हैं। इन सभी Class 12th Chemistry /रसायन विज्ञानं ) = रसायन विज्ञानं भाग-2 (English Medium) Book Chapter-14 Polymers का Questions का Solve का वीडियो Youtube और Website पर Upload किया है।
Topic 1: Classification of Polymers
(Natural, Synthetic, Thermoplastic, and Thermosetting)
Which of the following is a natural polymer? [BSEB, 2021 A]
(A) Starch
(B) Nylon-6
(C) Buna-S
(D) Terylene
Which of the following is a thermosetting plastic? [BSEB, 2023 A]
(A) Nylon-6
(B) Nylon-6, 6
(C) Bakelite
(D) P.V.C.
Buna-N and Buna-S are: [BSEB, 2021 A]
(A) Natural rubber
(B) Synthetic rubber
(C) Latex
(D) Polythene
Polymers which become soft on heating and hard on cooling are called: [BSEB, 2017 A]
(A) Thermosetting polymers
(B) Thermoplastic polymers
(C) Fibers
(D) None of these
Which of the following is a thermosetting plastic? [BSEB, 2025 A]
(A) Polyvinyl chloride (PVC)
(B) Bakelite
(C) Polyvinyl acetate (PVA)
(D) None of these
Which of the following is a natural polymer? [BSEB, 2021 A]
(A) Protein
(B) Nylon-6
(C) Buna-S
(D) Terylene
Polythene is a:
(A) Thermoplastic
(B) Thermosetting plastic
(C) Fiber
(D) All of these
A natural polymer is:
(A) Rubber/Latex
(B) Modlar
(C) Dacron
(D) Glyptal
Polymers that become soft on heating are called:
(A) Thermosetting polymers
(B) Heat-resistant polymers
(C) Thermoplastic polymers
(D) Thermostable polymers
Which of the following is NOT a ‘thermoplastic’? [BSEB, 2018 A]
(A) Polythene
(B) P.V.C.
(C) Polystyrene
(D) Bakelite
Melamine-formaldehyde polymer is which type of polymer? [BSEB, 2017 A]
(A) Thermoplastic
(B) Thermosetting
(C) Elastomer
(D) Fiber
Which of the following is a semi-synthetic polymer? [BSEB, 2019 A]
(A) Cellulose nitrate
(B) Rubber
(C) Nylon
(D) P.V.C.
Polythene, PVC, and Teflon are examples of: [BSEB, 2023 A]
(A) Condensation polymers
(B) Thermoplastic polymers
(C) Thermosetting polymers
(D) Natural polymers
Which polymers have the strongest intermolecular forces?
(A) Elastomers
(B) Thermoplastics
(C) Fibers
(D) Thermosetting polymers
A bio-polymer found in nature is:
(A) Teflon
(B) Rubber
(C) Nylon-6,6
(D) DNA
Topic 2: Methods of Polymerization
(Addition and Condensation Polymerization)
The product of addition polymerization is: [BSEB, 2025 A]
(A) P.V.C.
(B) Nylon
(C) Terylene
(D) Polyamide
An example of condensation polymerization is: [BSEB, 2021 A]
(A) Polythene
(B) P.V.C.
(C) Terylene
(D) Teflon
Which of the following is NOT a condensation polymer? [BSEB, 2010 A]
(A) Glyptal
(B) Nylon-6, 6
(C) PTFE
(D) Dacron
Bakelite is: [BSEB, 2019 C]
(A) Addition polymer
(B) Elastomer
(C) Thermoplastic polymer
(D) Thermosetting polymer
Polymers made by condensation polymerization are:
(A) Novolac
(B) Nylon-6
(C) Bakelite
(D) All of these
Which of the following is an addition polymer? [BSEB, 2022 A]
(A) Nylon-6
(B) Nylon-6, 6
(C) High Density Polythene (HDPE)
(D) Dacron
Which of the following is an example of a condensation polymer?
(A) Polythene
(B) Teflon
(C) Polyvinyl chloride
(D) Nylon-6,6
Which of the following is NOT a condensation polymer?
(A) Glyptal
(B) Nylon-6, 6
(C) Dacron
(D) PTFE
Which one is a condensation polymer?
(A) Polystyrene
(B) Polyethyl glycol phthalate
(C) PAN
(D) Neoprene
What is obtained by the polymerization of ethene? [BSEB, 2016 A]
(A) P.V.C.
(B) Nylon
(C) Polythene
(D) Terylene
Bakelite is which type of polymer? [BSEB, 2024 A]
(A) Addition polymer
(B) Condensation polymer
(C) Homopolymer
(D) Natural polymer
Which of the following is a chain-growth polymer? [BSEB, 2016 A]
(A) Nylon-6, 6
(B) Terylene
(C) Polythene
(D) Glyptal
Which of the following is a chain-growth polymer?
(A) Starch
(B) Nucleic acid
(C) Polystyrene
(D) Protein
The smallest unit for making a polymer is called:
(A) Monomer
(B) Dimer
(C) Trimer
(D) Anomer
Which of the following is an example of a homopolymer?
(A) Bakelite
(B) Nylon-6,6
(C) Terylene
(D) Neoprene
Topic 3: Natural and Synthetic Rubber
Natural rubber is a polymer of: [BSEB, 2017 A, 2017 C, 2023 A, 2024 A]
(A) Butadiene
(B) Ethene
(C) Styrene
(D) Isoprene
The process of heating natural rubber with sulfur is called: [BSEB, 2016 A]
(A) Galvanization
(B) Bessemerization
(C) Vulcanization
(D) Sulfonation
Chloroprene is used for the production of: [BSEB, 2022 A]
(A) Natural rubber
(B) Synthetic rubber (Neoprene)
(C) Polythene
(D) Nylon-6, 6
What does ‘N’ indicate in ‘Buna-N’? [BSEB, 2023 A]
(A) Nitrogen
(B) Neoprene
(C) Nitrile (Acrylonitrile)
(D) Nylon
Used in car tires: [BSEB, 2019 C]
(A) Buna rubber
(B) Polythene
(C) Teflon
(D) PVA
Used in the vulcanization of rubber:
(A) Hydrochloric acid
(B) Sulfuric acid
(C) Sulfur and Sulfuric acid
(D) Urea and Acetic acid
An example of an improved variety of rubber is:
(A) Dacron
(B) Neoprene
(C) P.V.C.
(D) Bakelite
What does ‘S’ stand for in Buna-S?
(A) Sodium
(B) Sulfur
(C) Styrene
(D) Trade name
Examples of common polymers of the rubber class are:
(A) Thiokol
(B) Buna-N
(C) G.R.N.
(D) All of these
Which of the following polymers is natural rubber? [BSEB, 2021 A]
(A) Polystyrene
(B) cis-Polyisoprene
(C) trans-Polyisoprene
(D) Chloroprene
The main component (monomer) of natural rubber is: [BSEB, 2018 A]
(A) Chloroprene
(B) Isoprene
(C) Vinyl chloride
(D) Ethylene
What is the role of sulfur atoms in vulcanized rubber? [BSEB, 2015 A]
(A) It makes the rubber soft
(B) It forms cross-links
(C) It makes the rubber soluble
(D) None of these
The method of heating natural rubber and sulfur is called: [BSEB, 2019 A]
(A) Calcination
(B) Vulcanization
(C) Smelting
(D) Distillation
In Buna-S, ‘Buna’ stands for:
(A) Butane
(B) 1, 3-Butadiene
(C) Butene
(D) Benzyl
Buna-S and Buna-N are: [BSEB, 2019 A]
(A) Natural polymers
(B) Synthetic polymers
(C) Sulfur polymers
(D) None
Topic 4: Important Polymers & Monomers
The name of the polymer obtained by condensation between phenol and formaldehyde is: [BSEB, 2021 A]
(A) Nylon
(B) P.V.C.
(C) Bakelite
(D) Dacron
$F_2C=CF_2$ is a monomer of which of the following? [BSEB, 2022 A, 2024 A]
(A) Teflon
(B) Glyptal
(C) Nylon-6
(D) Buna-S
The monomer used in the manufacture of Nylon-6 is: [BSEB, 2020 A]
(A) Adipic acid
(B) Hexamethylene diamine
(C) Caprolactam
(D) Ethylene glycol
‘Orlon’ is a polymer of: [BSEB, 2022 A]
(A) Tetrafluoroethene
(B) Acrylonitrile
(C) Ethene
(D) Vinyl chloride
$CH_2 = CH – Cl$ on polymerization gives: [BSEB, 2014 A]
(A) Polythene
(B) P.V.C.
(C) Terylene
(D) Nylon-6
Nylon-6, 6 is prepared from: [BSEB, 2018 A]
(A) Adipic acid and Hexamethylene diamine
(B) Phenol and Formaldehyde
(C) Ethylene glycol and Phthalic acid
(D) None of these
Glyptal polymer is obtained when glycol reacts with: [BSEB, 2021 A]
(A) Malonic acid
(B) Phthalic acid
(C) Adipic acid
(D) Terephthalic acid
Obtained by the polymerization of ethylene glycol and terephthalic acid: [BSEB, 2019 C]
(A) Nylon-6,6
(B) Terylene
(C) Buna-S
(D) Teflon
The monomer of PVC is:
(A) Ethene
(B) Tetrafluoroethene
(C) Chloroethene
(D) None
Caprolactam is used for:
(A) Nylon-6
(B) Terylene
(C) Nylon-6, 10
(D) Nylon-6, 6
Orlon contains:
(A) Vinyl chloride
(B) Acrolein
(C) Glycol
(D) Isoprene
Bakelite is obtained by the reaction of phenol with: [BSEB, 2011 A]
(A) $CH_3CHO$
(B) $CH_3COCH_3$
(C) $HCHO$
(D) $HCOOH$
To make Terylene, ethylene glycol is reacted with: [BSEB, 2024 A]
(A) Phthalic acid
(B) Terephthalic acid
(C) Adipic acid
(D) Benzoic acid
The polymer of monomer $CH_2=CH-CN$ is: [BSEB, 2021 A]
(A) Nylon-6
(B) Orlon (PAN)
(C) Buna-S
(D) Dacron
Nylon-6 is obtained by the polymerization of: [BSEB, 2021 A]
(A) Adipic acid
(B) Caprolactam
(C) Hexamethylene diamine
(D) Ethylene
Phenol is used in the production of:
(A) Bakelite
(B) Polystyrene
(C) Nylon
(D) PVC
Polymerization is done to make Teflon from:
(A) Ethene
(B) Tetrafluoroethene
(C) Vinyl cyanide
(D) Styrene
$F_2C = CF_2$ on polymerization forms: [BSEB, 2020 A]
(A) P.V.C.
(B) Teflon
(C) Nylon-6
(D) Buna-S
The polymer of styrene is: [BSEB, 2018 C]
(A) Polythene
(B) P.V.C.
(C) Polystyrene
(D) Nylon
Topic 5: Properties and Structures
Which of the following contains an ester bond? [BSEB, 2023 A]
(A) Terylene
(B) Nylon
(C) Teflon
(D) Bakelite
Which one is a polyamide? [BSEB, 2023 A]
(A) Teflon
(B) Nylon-6, 6
(C) Terylene
(D) Bakelite
Which bond is found in Nylon-6,6? [BSEB, 2020 A]
(A) Ester bond
(B) Ether bond
(C) Amide bond
(D) Hydrogen bond
Intermolecular force in Nylon-6, 6 is:
(A) H-bond
(B) Covalent bond
(C) Ionic bond
(D) None
Which one is a fully fluorinated polymer?
(A) Teflon
(B) Neoprene
(C) Thiokol
(D) PVC
The polymer used in making bullet-proof glass is:
(A) PMMA
(B) Lexan
(C) Nomex
(D) Kevlar
Polymer not having a halogen atom is:
(A) Nylon
(B) Teflon
(C) Polyvinyl chloride
(D) Neoprene
Polyvinyl chloride (PVC) is used in: [BSEB, 2024 A]
(A) Making tires
(B) Making pipes and raincoats
(C) Making sweet boxes
(D) Making paints
The polymer used in non-stick cookware is: [BSEB, 2021 A]
(A) P.V.C.
(B) Polythene
(C) Teflon
(D) Polystyrene
In the structure of Bakelite, phenol and formaldehyde are joined by which bond?
(A) Ester bond
(B) Ether bond
(C) $-\text{CH}_2-$ bridge (Methylene bridge)
(D) Hydrogen bond
An example of polyacrylate polymers is:
(A) P.V.C.
(B) P.V.C.N.
(C) PMMA
(D) Teflon
Topic 6: Biodegradable and Other Polymers
Which of the following polymers is biodegradable? [BSEB, 2019 A]
(A) Cellulose
(B) P.V.C.
(C) Nylon-6
(D) Polythene
Which of the following is a biodegradable polymer? [BSEB, 2011 A]
(A) Cellulose
(B) Polythene
(C) PVC
(D) Nylon-6, 6
What is obtained from the hydrolysis of cane sugar? [BSEB, 2022 A]
(A) Glucose only
(B) Glucose and Fructose
(C) Glucose and Maltose
(D) Glucose and Lactose
Which of the following fibers is known as ‘Artificial Silk’? [BSEB, 2015 C]
(A) Nylon
(B) Rayon
(C) Dacron
(D) Cotton
Which of the following fibers is made of polyamide? [BSEB, 2017 A]
(A) Dacron
(B) Orlon
(C) Nylon
(D) Rayon
Which is NOT a polymer?
(A) Sucrose
(B) Enzyme
(C) Starch
(D) Teflon
Which of the following is an example of a co-polymer? [BSEB, 2018 C]
(A) Teflon
(B) PVC
(C) Buna-S
(D) Polypropylene
Terylene (Dacron) belongs to which class of polymers? [BSEB, 2018 A]
(A) Polyamide
(B) Polyester
(C) Polythene
(D) Polyvinyl
Which polymer is a co-polymer?
(A) Polythene
(B) Nylon-6, 6
(C) PVC
(D) Teflon
Which of the following is a co-polymer?
(A) Buna-S
(B) PVC
(C) Orlon
(D) Neoprene
Which of the following is a natural fiber?
(A) Starch
(B) Cellulose
(C) Rubber
(D) Nylon-6
Dacron is an example of: [BSEB, 2022 A]
(A) Polyamide
(B) Polyester
(C) Polyurethane
(D) Polythene
Which of the following is a ‘co-polymer’? [BSEB, 2023 A]
(A) Polythene
(B) P.V.C.
(C) Buna-S
(D) Nylon-6
The number of polymers formed from $C_3H_9N$ is: [BSEB, 2017 C]
(A) 2
(B) 3
(C) 4
(D) 6
Polythene is a polymer of: [BSEB, 2019 A]
(A) Ethane
(B) Ethene
(C) Propene
(D) Ethyne
Nylon-6, 6 is a: [BSEB, 2020 A]
(A) Polyester
(B) Polyamide
(C) Polypropylene
(D) Polystyrene
Which of the following polymers is stored in the bodies of animals? [BSEB, 2022 A]
(A) Cellulose
(B) Amylose
(C) Glycogen
(D) Starch
A raw material used in making nylon is: [BSEB, 2024 A]
(A) Ethylene
(B) Butadiene
(C) Adipic acid
(D) Isoprene
The raw material used in the manufacture of nylon is:
(A) Adipic acid
(B) Butadiene
(C) Ethylene
(D) Methyl methacrylate
Terylene is a:
(A) Polyamide
(B) Polyester
(C) Polyethylene
(D) Polypropylene
The intermolecular force in Nylon-6, 6 is:
(A) H-bond
(B) Covalent bond
(C) Ionic bond
(D) None
Which of the following fibers is the strongest?
(A) Rayon
(B) Cotton
(C) Nylon
(D) Wool
$CH_2 = CH – Cl$ on polymerization gives: [BSEB, 2014 A]
(A) Polythene
(B) P.V.C.
(C) Terylene
(D) Nylon-6
Example of condensation polymerization is: [BSEB, 2021 A]
(A) Polythene
(B) P.V.C.
(C) Terylene
(D) Teflon
Phenol is used in the manufacture of:
(A) Bakelite
(B) Polystyrene
(C) Nylon
(D) PVC
Bihar Board Class 12th के (Chemistry/रसायन विज्ञानं ) = रसायन विज्ञानं ‘भाग-2 (Englsih Medium) Book Chapter-14 Polymers and के Exam 2027 MCQs Questions Answer Key
| Q. No. | Answer | Q. No. | Answer | Q. No. | Answer | Q. No. | Answer |
| 1 | (A) | 26 | (B) | 51 | (A) | 76 | (A) |
| 2 | (C) | 27 | (C) | 52 | (B) | 77 | (A) |
| 3 | (B) | 28 | (C) | 53 | (B) | 78 | (B) |
| 4 | (B) | 29 | (A) | 54 | (C) | 79 | (B) |
| 5 | (B) | 30 | (D) | 55 | (A) | 80 | (C) |
| 6 | (A) | 31 | (D) | 56 | (B) | 81 | (A) |
| 7 | (A) | 32 | (C) | 57 | (C) | 82 | (C) |
| 8 | (A) | 33 | (B) | 58 | (B) | 83 | (B) |
| 9 | (C) | 34 | (C) | 59 | (B) | 84 | (B) |
| 10 | (D) | 35 | (A) | 60 | (B) | 85 | (A) |
| 11 | (B) | 36 | (C) | 61 | (A) | 86 | (B) |
| 12 | (A) | 37 | (B) | 62 | (B) | 87 | (B) |
| 13 | (B) | 38 | (C) | 63 | (B) | 88 | (C) |
| 14 | (C) | 39 | (D) | 64 | (C) | 89 | (C) |
| 15 | (D) | 40 | (B) | 65 | (A) | 90 | (B) |
| 16 | (A) | 41 | (B) | 66 | (B) | 91 | (B) |
| 17 | (C) | 42 | (B) | 67 | (C) | 92 | (C) |
| 18 | (C) | 43 | (B) | 68 | (A) | 93 | (C) |
| 19 | (D) | 44 | (B) | 69 | (A) | 94 | (A) |
| 20 | (D) | 45 | (B) | 70 | (B) | 95 | (B) |
| 21 | (C) | 46 | (C) | 71 | (A) | 96 | (A) |
| 22 | (D) | 47 | (A) | 72 | (B) | 97 | (C) |
| 23 | (D) | 48 | (C) | 73 | (C) | 98 | (B) |
| 24 | (B) | 49 | (B) | 74 | (C) | 99 | (C) |
| 25 | (C) | 50 | (B) | 75 | (C) | 100 | (A) |
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