Food Chemistry & Biochemistry MCQs (Quiz 11) Posted on May 9, 2026May 9, 2026Author agropublishers 0 Food Chemistry & Biochemistry MCQs (Quiz 11) Multiple Choice Questions [Food Science MCQs] _________________________________ 1. Maltose, the main fermentable sugar in beer brewing, is produced from starch by the action of which enzyme __________ α-amylase β-amylase Glucoamylase Lactase 2. Freezing preserves food mainly by _______ Slowing microbial and enzymatic activity Enhancing microbial growth Increasing enzyme activity Promoting oxidation 3. Gastric juice in the stomach is highly acidic mainly due to the presence of _______ Bile salts Pepsin Sodium bicarbonate Hydrochloric acid 4. A key difference between Vitamin E and Vitamin C, in the context of their antioxidant function, is that _______ Vitamin C regenerates oxidized Vitamin E, allowing it to continue protecting cell membranes Vitamin E acts primarily in the bloodstream, while Vitamin C acts inside mitochondria Both vitamins function as co-enzymes in the same metabolic pathway Vitamin E is water-soluble, while Vitamin C is fat-soluble 5. The primary structure of a protein is determined by its _______ Disulfide bridges Hydrogen bonding pattern Three-dimensional folding Amino acid sequence 6. Which of the following nutrients is primarily used by cells for the extraction of energy through metabolic pathways such as glycolysis and cellular respiration? Vitamin K Glucose Iron Calcium 7. Coenzymes are commonly derived from ___________ Minerals Vitamins Pigments Lipids 8. The alcohol produced during beer fermentation is mainly _______ Ethanol Butanol Propanol Methanol 9. Lipase enzymes catalyze the breakdown of _______ Nucleic acids Polysaccharides Triglycerides Proteins 10. Fermentation in beer production, which converts sugars into ethanol and carbon dioxide, is primarily carried out by _______ Molds Yeasts Algae Bacteria 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]