Food Chemistry & Biochemistry MCQs (Quiz 11)

1. The alcohol produced during beer fermentation is mainly _______

 Butanol

 Methanol

 Propanol

 Ethanol

2. The primary structure of a protein is determined by its _______

 Amino acid sequence

 Three-dimensional folding

 Hydrogen bonding pattern

 Disulfide bridges

3. Lipase enzymes catalyze the breakdown of _______

 Triglycerides

 Proteins

 Polysaccharides

 Nucleic acids

4. Fermentation in beer production, which converts sugars into ethanol and carbon dioxide, is primarily carried out by _______

 Molds

 Bacteria

 Yeasts

 Algae

5. Coenzymes are commonly derived from ___________

 Minerals

 Vitamins

 Lipids

 Pigments

6. Gastric juice in the stomach is highly acidic mainly due to the presence of _______

 Sodium bicarbonate

 Pepsin

 Hydrochloric acid

 Bile salts

7. Freezing preserves food mainly by _______

 Promoting oxidation

 Slowing microbial and enzymatic activity

 Enhancing microbial growth

 Increasing enzyme activity

8. A key difference between Vitamin E and Vitamin C, in the context of their antioxidant function, is that _______

 Both vitamins function as co-enzymes in the same metabolic pathway

 Vitamin E acts primarily in the bloodstream, while Vitamin C acts inside mitochondria

 Vitamin C regenerates oxidized Vitamin E, allowing it to continue protecting cell membranes

 Vitamin E is water-soluble, while Vitamin C is fat-soluble

9. 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

 Calcium

 Iron

 Glucose

10. Maltose, the main fermentable sugar in beer brewing, is produced from starch by the action of which enzyme __________

 Lactase

 β-amylase

 Glucoamylase

 α-amylase

 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]