Food Chemistry & Biochemistry MCQs (Quiz 12) Posted on May 9, 2026May 9, 2026Author agropublishers 0 Food Chemistry & Biochemistry MCQs (Quiz 12) Multiple Choice Questions [Food Science MCQs] _________________________________ 1. The enzyme pepsin functions optimally in a _______ medium Basic saline Alkaline Strongly acidic Neutral 2. Foam stability in beer is largely influenced by _______ Mineral salts and sugars Fatty acids and minerals Sugars and Fats Proteins and hop compounds 3. Bile juice primarily helps in the digestion of _______ Fats Starch Proteins Nucleic acids 4. Hemoglobin, primary protein in red blood cells, is responsible for the transport of _______ Oxygen Hormones Glucose Fatty acids 5. Heat-induced denaturation commonly affects the _______ structure of proteins Covalent Secondary and tertiary Amino acid Primary 6. The primary substrate fermented by yeasts during beer production is _______ Glucose Sucrose Fructose Maltose 7. Peptide bonds link together _______ Amino acids Nucleotides Monosaccharides Fatty acids 8. Vitamin E is classified as a __________________ B-complex vitamin Water-soluble vitamin Mineral antioxidant Fat-soluble vitamin 9. α-amylase mainly acts by breaking _______ Internal α-1,4 glycosidic bonds in starch Cellulose fibers Ester bonds in lipids Peptide bonds in proteins 10. Free fatty acids released during hydrolytic rancidity often produce _______________ Increased viscosity Sweet flavor Blue pigmentation Unpleasant odors and flavors Loading … Question 1 of 10 _________________________________ [Explore all MCQs] [Horticulture MCQs] [Introduction to Pomology MCQs] [Introduction to Olericulture MCQs] [Plant Physiology MCQs] [Plant Nutrition MCQs] [Crop and Environment MCQs] [Botany MCQs ] [Soil Science MCQs] [Soil Physical Properties MCQs] [Soil Chemical Properties MCQs] [Agronomy MCQs] [Cell Structure & Cell Organelles MCQs] [Gene Expression MCQs]