Polymerization: Monomers and Polymers Quiz

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Polymerization: Monomers And Polymers Quiz - Quiz

Do you understand the concept of monomers and polymers? Take this polymerization, monomers, and polymers quiz to test your knowledge. Basically, polymerization is the process of creating polymers. In this process, smaller molecules are chemically combined to create a macromolecule. If you remember everything about this topic and wish to recall it, this practice test will be best. Go for it and try to get a perfect score on this quiz. All the best! Do share it with others who like chemistry.


Questions and Answers
  • 1. 

    A _______ is a large molecule made of small reactive molecules when joined together.

    • A.

      Poly-ethene

    • B.

      Polymer

    • C.

      Poly-propene

    • D.

      Propene

    Correct Answer
    B. Polymer
    Explanation
    A polymer is a large molecule made of small reactive molecules when joined together. This is because polymers are formed through a process called polymerization, where monomers (small reactive molecules) are chemically bonded together to form long chains or networks. Poly-ethene and poly-propene are both examples of polymers, as they are made up of repeating units of ethene and propene monomers respectively. Propene, on the other hand, is a single monomer and not a polymer.

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  • 2. 

    What is a single unit or molecule called?

    • A.

      Macromolecule

    • B.

      Dimer

    • C.

      Polymer

    • D.

      Monomer

    Correct Answer
    D. Monomer
    Explanation
    A single unit or molecule is called a monomer. Monomers are the building blocks of larger molecules called polymers, which are formed when multiple monomers are chemically bonded together. Examples of monomers include amino acids, which are the monomers of proteins, and nucleotides, which are the monomers of nucleic acids.

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  • 3. 

    Which bond joins monomers together?

    • A.

      Covalent

    • B.

      Ionic

    • C.

      Metallic 

    • D.

      All of the above

    Correct Answer
    A. Covalent
    Explanation
    Covalent bonds are formed when two atoms share electrons. In the context of joining monomers together, covalent bonds are the most common type of bond. Monomers are small molecules that can join together to form larger molecules through covalent bonds. This allows for the formation of polymers, such as proteins, nucleic acids, and carbohydrates. Ionic and metallic bonds are not typically involved in joining monomers together. Ionic bonds involve the transfer of electrons between atoms, while metallic bonds involve the sharing of a "sea" of electrons among a network of metal atoms.

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  • 4. 

    What smaller subunits make proteins?

    • A.

      Fatty acids

    • B.

      Nucleic acids

    • C.

      Amino acids

    • D.

      Nucleotides

    Correct Answer
    C. Amino acids
    Explanation
    Amino acids are the smaller subunits that make up proteins. Proteins are composed of long chains of amino acids that are linked together by peptide bonds. These amino acids have specific properties and structures that determine the function and shape of the protein they form. Each protein is made up of a unique sequence of amino acids, and the specific arrangement of these subunits allows proteins to carry out their specific roles in the body. Fatty acids, nucleic acids, and nucleotides are not the subunits that make up proteins.

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  • 5. 

    What monomers are there in starch?

    • A.

      Glucose

    • B.

      Nucleic acids

    • C.

      Glycogen

    • D.

      Sucrose

    Correct Answer
    A. Glucose
    Explanation
    Starch is a complex carbohydrate made up of glucose monomers. Glucose is the main monomer found in starch, which is a polysaccharide. Nucleic acids, glycogen, and sucrose are not monomers found in starch. Nucleic acids are the building blocks of DNA and RNA, glycogen is a storage form of glucose in animals, and sucrose is a disaccharide made up of glucose and fructose.

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  • 6. 

    Alkenes can join together as they have a C=C bond.

    • A.

      Polymer

    • B.

      Ethene

    • C.

      Propene

    • D.

      Double bond

    Correct Answer
    D. Double bond
    Explanation
    Alkenes can join together because they have a double bond. The double bond consists of two carbon atoms sharing four electrons, creating a strong bond. This double bond allows alkenes to undergo a process called polymerization, where multiple alkene molecules can join together to form a larger molecule known as a polymer. The double bond is essential for this process as it provides the necessary reactivity for the alkenes to bond and form a chain-like structure.

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  • 7. 

    What are the monomers of DNA?

    • A.

      Glycerols

    • B.

      Nucleotides

    • C.

      Amino acids

    • D.

      Fatty acids

    Correct Answer
    B. Nucleotides
    Explanation
    DNA is composed of repeating units called nucleotides. Each nucleotide consists of a sugar molecule (deoxyribose), a phosphate group, and a nitrogenous base (adenine, thymine, cytosine, or guanine). These nucleotides are linked together through phosphodiester bonds to form a long chain, which makes up the structure of DNA. Therefore, the correct answer is nucleotides.

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  • 8. 

    What type of reaction breaks polymers to form monomers​?

    • A.

      Monomer

    • B.

      Polymer

    • C.

      Condensation

    • D.

      Hydrolysis

    Correct Answer
    D. Hydrolysis
    Explanation
    Hydrolysis is the correct answer because it is a chemical reaction that breaks polymers into monomers by adding water molecules. In this reaction, the water molecules break the bonds between the monomers, resulting in the separation of the polymer into its individual building blocks. This process is commonly observed in the digestion of food, where large polymers such as carbohydrates, proteins, and fats are broken down into smaller monomers that can be absorbed and utilized by the body.

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  • 9. 

    In the following chemical reaction, what are the products: Starch + Water -------> Glucose

    • A.

      Starch + Water

    • B.

      Glucose

    • C.

      Both 

    • D.

      None

    Correct Answer
    B. Glucose
    Explanation
    In the given chemical reaction, starch and water are the reactants, and the product is glucose. Starch is a complex carbohydrate made up of many glucose molecules bonded together. When starch is combined with water, it undergoes hydrolysis, breaking down into individual glucose molecules. Therefore, the correct answer is "Glucose."

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  • 10. 

    What is this following chemical reaction illustrating? Starch + Water -------> Glucose

    • A.

      Dehydration Synthesis

    • B.

      Polymerization

    • C.

      Hydrolysis

    • D.

      Protein Synthesis

    Correct Answer
    C. Hydrolysis
    Explanation
    The given chemical reaction is illustrating hydrolysis. Hydrolysis is a chemical reaction in which a compound is broken down by the addition of water. In this reaction, starch is broken down into glucose molecules by the addition of water. This process is commonly found in the digestion of carbohydrates in our body, where complex carbohydrates like starch are broken down into simpler sugars like glucose for energy production.

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  • Current Version
  • Dec 11, 2023
    Quiz Edited by
    ProProfs Editorial Team
  • Nov 14, 2022
    Quiz Created by
    Sophia Smith
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