Food Chemistry & Biochemistry MCQs (Quiz 10)

1. Collagen is the major structural protein found in _______

 Lymph fluid

 Connective tissues

 Blood plasma

 Bile juice

2. The bitter taste in beer mainly comes from compounds derived from _______

 Hops

 Yeast proteins

 Fermentation acids

 Barley starch

3. Iron (Fe) is an essential mineral that plays a critical role in the synthesis of _________________

 Hemoglobin

 Collagen

 Insulin

 Chlorophyll

4. Oxidative rancidity mainly results from the _______

 Hydrolysis of starch

 Denaturation of proteins

 Fermentation of sugars

 Oxidation of unsaturated fatty acids

5. α-Amylase, an enzyme secreted by the salivary glands and pancreas, primarily hydrolyzes _______

 Starch into shorter polysaccharides

 Cellulose into glucose

 Lipids into fatty acids

 Proteins into amino acids

6. Among the digestive juices_____________  has an almost neutral pH (approximately pH 7.0 to 8.0)

 None

 Gastric juice

 Pancreatic juice

 Bile juice

7. Polyphenol oxidase (PPO), an enzyme found in many fruits and vegetables, is mainly responsible for _______

 Enzymatic browning

 Lipid hydrolysis

 Protein synthesis

 Sugar fermentation

8. β-Amylase, an enzyme found in plants (e.g., germinating seeds) and some microorganisms, mainly produces _______

 Lactic acid

 Maltose

 Fructose

 Galactose

9. In humans, Vitamin A is important for maintaining _______

 Muscle contraction

 Bone marrow clotting

 Normal vision and epithelial tissues

 Protein digestion

10. Denaturation of proteins causes loss of __________

 Peptide bonds

 Primary structure

 Amino acids

 Biological activity

 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]