12th Class Chemistry Mcqs With Answers Chapter 14| 2nd Year chemistry mcqs with answers pdf

12th Class Chemistry Mcqs With Answers Chapter 1	12th Class Chemistry Mcqs With Answers Chapter 2
12th Class Chemistry Mcqs With Answers Chapter 3	12th Class Chemistry Mcqs With Answers Chapter 4
12th Class Chemistry Mcqs With Answers Chapter 5	12th Class Chemistry Mcqs With Answers Chapter 6
12th Class Chemistry Mcqs With Answers Chapter 7	12th Class Chemistry Mcqs With Answers Chapter 8
12th Class Chemistry Mcqs With Answers Chapter 9	12th Class Chemistry Mcqs With Answers Chapter 10
12th Class Chemistry Mcqs With Answers Chapter 11	12th Class Chemistry Mcqs With Answers Chapter 12
12th Class Chemistry Mcqs With Answers Chapter 13	12th Class Chemistry Mcqs With Answers Chapter 14
12th Class Chemistry Mcqs With Answers Chapter 15	12th Class Chemistry Mcqs With Answers Chapter 16
12th Class Chemistry Mcqs With Answers Chapter 17	12th Class Chemistry Mcqs With Answers Chapter 18
12th Class Chemistry Mcqs With Answers Chapter 19	12th Class Chemistry Mcqs With Answers Chapter 20

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 H₂ gas
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 I₂ solution 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