Food Analytics and Testing MCQs Food science December 26, 2025August 5, 2024 by u930973931_answers 50 min Score: 0 Attempted: 0/50 Subscribe 1. Which method is commonly used to determine the moisture content in food products? (A) Karl Fischer Titration (B) Gas Chromatography (C) Atomic Absorption Spectroscopy (D) High-Performance Liquid Chromatography 2. What does the âHPLCâ acronym stand for in food testing? (A) High-Performance Liquid Chromatography (B) High-Pressure Liquid Chromatography (C) High-Precision Liquid Chromatography (D) High-Purity Liquid Chromatography 3. Which test is used to measure the pH level of food products? (A) Spectrophotometry (B) Electrometric pH measurement (C) Titration (D) Chromatography 4. Which analytical technique is used for detecting allergens in food products? (A) Microscopy (B) Spectrophotometry (C) Gas Chromatography (D) PCR (Polymerase Chain Reaction) 5. What is the primary purpose of conducting a âsensory evaluationâ in food testing? (A) To identify microbial contamination (B) To measure the moisture content (C) To determine the nutritional value (D) To assess consumer preferences and perceptions 6. Which method is used to analyze the fat content in food? (A) Atomic Absorption Spectroscopy (B) Titration (C) Soxhlet Extraction (D) Gas Chromatography 7. What does âGC-MSâ stand for in food analytics? (A) Gas Chromatography-Molecular Spectroscopy (B) Gas Chromatography-Microscopy Spectrometry (C) Gas Chromatography-Mass Scanning (D) Gas Chromatography-Mass Spectrometry 8. Which test measures the levels of vitamins in food products? (A) HPLC (High-Performance Liquid Chromatography) (B) Spectrophotometry (C) Gas Chromatography (D) Microscopy 9. Which method is used to detect the presence of heavy metals in food? (A) Gas Chromatography (B) Atomic Absorption Spectroscopy (C) Spectrophotometry (D) HPLC 10. What is the purpose of âmicrobiological testingâ in food analysis? (A) To measure the moisture content (B) To identify and quantify microorganisms (C) To determine the fat content (D) To assess sensory attributes 11. Which of the following is used to determine the sugar content in food products? (A) Gas Chromatography (B) Refractometry (C) Spectrophotometry (D) HPLC 12. What is âRancidity Testingâ used to measure in food products? (A) The moisture level (B) The protein content (C) The degree of fat oxidation (D) The pH level 13. Which analytical method is used for determining the presence of pesticides in food? (A) Atomic Absorption Spectroscopy (B) Gas Chromatography-Mass Spectrometry (GC-MS) (C) HPLC (D) Refractometry 14. What is the purpose of âNutritional Labelingâ in food testing? (A) To measure sensory attributes (B) To determine microbial contamination (C) To provide information on the nutritional content of food (D) To detect allergens 15. Which method is used to measure the total nitrogen content in food products? (A) Gas Chromatography (B) Soxhlet Extraction (C) Kjeldahl Method (D) HPLC 16. Which test is used to detect the presence of gluten in food? (A) Atomic Absorption Spectroscopy (B) PCR (C) HPLC (D) ELISA (Enzyme-Linked Immunosorbent Assay) 17. What does âTLCâ stand for in food testing? (A) Thin-Layer Colorimetry (B) Total Liquid Chromatography (C) Targeted Liquid Chromatography (D) Thin-Layer Chromatography 18. Which technique is used to assess the texture of food products? (A) Gas Chromatography (B) Spectrophotometry (C) Texture Profile Analysis (TPA) (D) Atomic Absorption Spectroscopy 19. What is the main purpose of âProtein Analysisâ in food testing? (A) To determine protein content and quality (B) To assess fat content (C) To measure moisture levels (D) To identify microbial contamination 20. Which analytical technique is used for detecting and quantifying volatile compounds in food? (A) Atomic Absorption Spectroscopy (B) High-Performance Liquid Chromatography (C) Gas Chromatography (D) Microscopy 21. What is âSpectrophotometryâ used to measure in food products? (A) Moisture content (B) Absorbance of light by the sample (C) Microbial load (D) Texture 22. Which test is used to determine the shelf life of a food product? (A) Sensory evaluation (B) Accelerated shelf life testing (C) Nutritional analysis (D) Microbiological testing 23. What does âBrix measurementâ determine in food products? (A) Moisture level (B) Fat content (C) Protein content (D) Sugar content 24. Which method is used to analyze the fatty acid profile of food? (A) Atomic Absorption Spectroscopy (B) Gas Chromatography (C) Spectrophotometry (D) HPLC 25. What is the purpose of âMicrobial Load Testingâ in food analysis? (A) To quantify the number of microorganisms present (B) To measure fat content (C) To analyze flavor compounds (D) To assess texture 26. Which analytical technique is used for detecting mycotoxins in food products? (A) ELISA (Enzyme-Linked Immunosorbent Assay) (B) Gas Chromatography (C) HPLC (D) Atomic Absorption Spectroscopy 27. What does âChromatographyâ generally separate in food testing? (A) Microorganisms (B) Components of a mixture based on their physical or chemical properties (C) Nutritional content (D) Sensory attributes 28. Which method is used to determine the vitamin content in food products? (A) Refractometry (B) Atomic Absorption Spectroscopy (C) Gas Chromatography (D) High-Performance Liquid Chromatography (HPLC) 29. What is âSensory Analysisâ primarily used for in food testing? (A) Detecting allergens (B) Measuring fat content (C) Evaluating taste, texture, and aroma (D) Assessing moisture levels 30. Which technique is used to measure the presence of aflatoxins in food? (A) High-Performance Liquid Chromatography (HPLC) (B) Gas Chromatography-Mass Spectrometry (GC-MS) (C) ELISA (Enzyme-Linked Immunosorbent Assay) (D) Atomic Absorption Spectroscopy 31. What does âpH measurementâ help to determine in food products? (A) Acidity or alkalinity of the food (B) Fat content (C) Protein content (D) Sugar content 32. Which test is used to determine the presence of added water in meat products? (A) Protein Analysis (B) Total Nitrogen Testing (C) Fat Content Analysis (D) Water Activity Testing 33. What is âWater Activityâ in the context of food testing? (A) Measure of the free moisture available in food (B) Measure of the total moisture content (C) Measurement of the fat content (D) Measurement of the protein content 34. Which analytical technique is used to measure the concentration of specific elements in food? (A) High-Performance Liquid Chromatography (B) Gas Chromatography (C) Atomic Absorption Spectroscopy (D) Refractometry 35. What does âTexture Analysisâ evaluate in food products? (A) Color intensity (B) Nutritional content (C) Microbial load (D) Physical properties such as hardness, cohesiveness, and chewiness 36. Which method is used to detect the presence of trans fats in food? (A) Atomic Absorption Spectroscopy (B) Gas Chromatography (C) High-Performance Liquid Chromatography (D) Refractometry 37. What is the role of âVolatile Compounds Analysisâ in food testing? (A) Identifying and quantifying aroma and flavor compounds (B) Measuring moisture content (C) Determining protein content (D) Assessing microbial contamination 38. Which test is used to detect the presence of artificial sweeteners in food? (A) High-Performance Liquid Chromatography (HPLC) (B) Gas Chromatography (C) Refractometry (D) Atomic Absorption Spectroscopy 39. What is the significance of âShelf Life Testingâ in food products? (A) Assessing sensory attributes (B) Measuring fat content (C) Determining the productâs stability and safety over time (D) Identifying allergens 40. Which analytical method is used for detecting and quantifying pesticides in food? (A) Microscopy (B) Atomic Absorption Spectroscopy (C) High-Performance Liquid Chromatography (HPLC) (D) Gas Chromatography-Mass Spectrometry (GC-MS) 41. What is the purpose of âAllergen Testingâ in food products? (A) To analyze sensory attributes (B) To measure moisture content (C) To identify the presence of allergenic proteins (D) To detect microbial contamination 42. Which method is commonly used for determining the presence of nitrites and nitrates in food? (A) Spectrophotometry (B) High-Performance Liquid Chromatography (HPLC) (C) Gas Chromatography (D) Atomic Absorption Spectroscopy 43. What does âMicrobiological Testingâ in food science assess? (A) The moisture level (B) The fat and protein content (C) The presence and quantity of microorganisms (D) The sensory attributes 44. Which analytical technique is used to measure the concentration of vitamins in food products? (A) Gas Chromatography (B) High-Performance Liquid Chromatography (HPLC) (C) Atomic Absorption Spectroscopy (D) Refractometry 45. What is the purpose of âSensory Evaluationâ in food product development? (A) To analyze fat content (B) To measure the nutritional content (C) To detect microbial contamination (D) To assess sensory attributes such as taste, texture, and aroma 46. Which method is used to determine the fiber content in food products? (A) Gas Chromatography (B) Acid-Detergent Fiber (ADF) Method (C) High-Performance Liquid Chromatography (HPLC) (D) Atomic Absorption Spectroscopy 47. What is the primary use of âNIR Spectroscopyâ in food testing? (A) Analyzing sensory attributes (B) Detecting microbial contamination (C) Measuring moisture, fat, and protein content (D) Quantifying flavor compounds 48. Which analytical technique is used to detect the presence of color additives in food products? (A) High-Performance Liquid Chromatography (HPLC) (B) Spectrophotometry (C) Gas Chromatography (D) Atomic Absorption Spectroscopy 49. What is âNutritional Profilingâ used for in food analytics? (A) Assessing the overall nutritional quality of a food product (B) Measuring microbial load (C) Identifying allergens (D) Analyzing sensory attributes 50. Which technique is used for determining the presence of trans fats in food products? (A) High-Performance Liquid Chromatography (HPLC) (B) Gas Chromatography (C) Atomic Absorption Spectroscopy (D) Refractometry