12th Class Chemistry Chapter 14 MCQs with Answers

Welcome to the 12th Class Chemistry Chapter 14 MCQs Online Test. We are presenting you with top MCQ questions from the 12th Class Chemistry Chapter Macromolecules.

We want to tell you that you can find all the 12th Class Chemistry Chapter 14 MCQs online tests on our website. These online tests are great for learning and as well as for scoring maximum marks in your Intermediate Exams. We are making these Class 12 Chemistry MCQs online tests for those who want full marks in their exams. Attempt all these Grade 12 Chemistry Online Multiple Choice Questions MCQs before going for the exam and it will be beneficial for you! These online tests contain all the important multiple choice questions in the important topics of the FSC Part 2 Chemistry Chapter 14 Macromolecules

12th Class Chemistry Chapter 14 MCQs with Answers

Youth For Pakistan has provided an excellent opportunity for the students of the 12th class to prepare their Chemistry Chapter 14 Macromolecules online with MCQs test.

This is a free platform for students to prepare for Chemistry Exams for Class 12 to get the best accomplishments in annual exams. 12th class Students can analyze themself by attempting this online test system as many times as they want until they find themself fully prepared.

MCQs Class 12 Chemistry with Answers

The purpose of these online MCQs tests is to help you evaluate your 12th Class Chemistry Chapter 14 MCQs. These Multiple Choice Questions (MCQs) will prepare you for your academic success in the 12th Class Exams. 12th Class Chemistry Chapters include Chapter 1 Periodic Classification Of Elements & Periodicity, Chapter 2 S-block Elements, Chapter 3 Group lll A And Group IVA Elements, Chapter 4 Group VA And VIA Elements, Chapter 5 Halogens And Noble Gases, Chapter 6 Transition element, Chapter 7 Fundamental Principles Of Organic Chemistry, Chapter 8 Aliphatic Hydrocarbons, Chapter 9 Hydrocarbons, Chapter 10 Alkyl Halide, Chapter 11 Alcohols Phenols And Ethers, Chapter 12 Aldehydes & Ketones, Chapter 13 Carboxylic Acid, Chapter 14 Macromolecules, Chapter 15 Common Chemical Industries In Pakistan and Chapter 16 Environmental chemistry.

What are Macromolecules?

A macromolecule is a very large molecule important to biophysical processes, such as a protein or nucleic acid. They are composed of thousands of covalently bonded atoms. Many macromolecules are polymers of smaller molecules called monomers.

Chapter No 14 Macromolecules

1. Which one of the following is inorganic polymer choose which one is correct:

  1. Graphite
  2. Rubber
  3. DNA
  4. Protein

2. Hardening of oil involves which of the following process choose which one is correct:

  1. Oxidation
  2. Hydrogenation
  3. Saponification
  4. Hydrolysis

3. Which characteristic functional group is present in fats choose which one is correct:

  1. Aldehyde
  2. Ketone
  3. Carboxylic acid
  4. Ester

4. In which of the following case Zn2+ ions are used as co-factor choose which one is correct:

  1. Chrome oxidase
  2. Carbonic anhydrase
  3. Glucose
  4. Anaerobic oxidation of C6H12O6

5. Which of the following is an example of associated lipid choose which one is correct:

  1. Stearin
  2. Lipoprotein
  3. Vitamin D
  4. Glycerol phospholipid

6. Formation of Terylene and Nylon both are examples of choose which one is correct:

  1. Addition reaction
  2. Elimination reaction
  3. Condensation reaction
  4. Hydrogenation reaction

7. Quantitatively unsaturation of oils is determined by choose which one is correct:

  1. Iodine-number
  2. Acid number
  3. Passing Hgas
  4. Adding Br2

8. Cholesterol belong to choose which one is correct:

  1. Vitamins
  2. Carbohydrates
  3. Fats
  4. Lipids

9. Amino acids in protein are linked together by choose which one is correct:

  1. Ester linkage
  2. Peptide linkage
  3. Ether linkage
  4. Glycosidic linkage

10. The colour which cellulose can give with Isolution choose which one is correct:

  1. Blue
  2. Green
  3. Red
  4. No colour

11. Which one of the following plastic is a thermo setting plastic choose which one is correct:

  1. PVC
  2. Polystyrene
  3. Polyethylene
  4. Bakelite

12. Which one of the following polymer is called a polyamide choose which one is correct:

  1. Rayon
  2. Orlon
  3. Nylon
  4. Terylene

13. Which of the following enzymes bring about the hydrolysis of fats choose which one is correct:

  1. Urease
  2. Maltase
  3. Zymase
  4. Lipase

14. Which one of the following is a water soluble vitamin choose which one is correct:

  1. Vit-A
  2. Vit-D
  3. Vit-E
  4. Vit-C

15. Which one of the following element is not present in all proteins choose which one is correct:

  1. Carbon
  2. Hydrogen
  3. Nitrogen
  4. Sulphur

16. Which one of the following is purine choose which one is correct:

  1. Cytosine
  2. Uracil
  3. Adenine
  4. Thyamine

17. Which one of the following is not a fatty acid choose which one is correct:

  1. Oleic acid
  2. Stearic acid
  3. Phtalic acid
  4. Butanoic acid

18. Which of the following is optimum temperature of most of enzymes choose which one is correct:

  1. 0°C
  2. 37°C
  3. 45°C
  4. 100°C

19. Which of the following is the most abundant organic substance found in nature choose which one is correct:

  1. Fructose
  2. Starch
  3. Cellulose
  4. Glucose

20. Cholesterol is an important precursor in the biosynthesis of choose which one is correct:

  1. Adrenal hormone
  2. Sex hormone
  3. Vitamin D
  4. All of these

21. Vegetable oils are choose which one is correct:

  1. Unsaturated fatty acids
  2. Glycerides of saturated fatty acids
  3. Saturated fatty acids
  4. Glycerides of unsaturated fatty acids

22. The fiber which is made from acrylonitrile as monomer choose which one is correct:

  1. Acrylic fiber
  2. Polyester fiber
  3. PVC
  4. Rayon fiber

23. Which of these enzymes is an acidic pH active enzymes choose which one is correct:

  1. Lipase
  2. Amylase
  3. Pepsin
  4. Trypsin

24. Which of these polymers is a synthetic polymer choose which one is correct:

  1. Animal fat
  2. Starch
  3. Cellulose
  4. Polyester

25. Which of these polymers is an addition polymer choose which one is correct:

  1. Nylon-6, 6
  2. Starch
  3. Cellulose
  4. Polyester

26. Which of the following is not a polymer choose which one is correct:

  1. Starch
  2. Glucose
  3. Protein
  4. Nylon

27. Starch is a polymer of choose which one is correct:

  1. Fructose
  2. α-D glucose
  3. β-D glucose
  4. Sucrose

28. After digestion protein change to choose which one is correct:

  1. Fatty acid
  2. Glucose
  3. Amino acid
  4. Glycerol

29. Raffinose is a/an choose which one is correct:

  1. Monosaccharide
  2. Disaccharide
  3. Trisaccharide
  4. Polysaccharide

30. The substance that retard the activity of enzyme is called choose which one is correct:

  1. Co-enzyme
  2. Apo-enzyme
  3. Activator
  4. Inhibitor

31. Which one of the following is not a polymer choose which one is correct:

  1. Glycogen
  2. Starch
  3. Teflon
  4. Petroleum

32. The molecular formula of a trisaccharide will be choose which one is correct:

  1. C3H3O3
  2. C3H6O3
  3. C18H36O18
  4. C18H32O16

33. All fats are choose which one is correct:

  1. Carbohydrate
  2. Hydrocarbon
  3. Esters
  4. Aldehydes

34. Which one of the following is a co-polymer choose which one is correct:

  1. PVC
  2. PVA
  3. Polyethylene
  4. Nylon

35. Glycosidic linkage is present in choose which one is correct:

  1. Proteins
  2. Nylon-6, 6
  3. Starch
  4. DNA

Leave a Comment