Domain I - Food Science, Jean Inman
2023 RD Prep: Domain I EXAM
QUESTIONS AND ANSWERS 100%
SOLVED (Newest 2025) Climactic - Correct Answers ✅Ripen after being picked (climax) Non-climactic - Correct Answers ✅Already ripe during harvest What is the order of the ripening process? - Correct Answers ✅Protopectin --> Pectin --> Pectic Acid What are phytonutrients? - Correct Answers ✅Plant compounds that give F/V their color and also work as antioxidants Which two phytonutrients are soluble in water? - Correct Answers ✅Chlorophyll and carotenoids Chlorophyll in acid becomes ________ - Correct Answers ✅Pheophytin (olive green) Chlorophyll in a base becomes - Correct Answers ✅Chlorophyllin (bright green) 1 / 3
Domain I - Food Science, Jean Inman
2023 RD Prep: Domain I EXAM
QUESTIONS AND ANSWERS 100%
SOLVED (Newest 2025) What are the two groups of flavonoids? - Correct Answers ✅Anthocyanins and Anthoxanthins Anthocyanins turn which color in acid? - Correct Answers ✅Bright red Anthocyanins turn which color in a base? - Correct Answers ✅Dark blue Anthoxanthins turn which color in acid? - Correct Answers ✅Colorless/white Anthoxanthins turn which color in a base? - Correct Answers ✅Yellow What is grading for canned fruits and vegetables? - Correct Answers ✅Fancy (A), Choice (B), Standard (C) What is grading for fresh F/V? - Correct Answers ✅Fancy Extra #1 #1 Combo
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Domain I - Food Science, Jean Inman
2023 RD Prep: Domain I EXAM
QUESTIONS AND ANSWERS 100%
SOLVED (Newest 2025) What are the two types of connective tissue in meat? - Correct Answers ✅Collagen and Elastin What happens to collagen in heat? - Correct Answers ✅Hydrolyzed to gelatin, becomes tender What happens to elastin in heat? - Correct Answers ✅No change - resistant to heat What are the two types of meat grading? - Correct Answers ✅Wholesomeness and Quality What does the wholesomeness meat grading signify? - Correct Answers ✅Fit for human consumption - identified by round purple stamp How is quality of meat graded? - Correct Answers ✅Based on the marbling of the meat?What are the 4 categories of meat quality? - Correct Answers ✅Prime, Choice, Select, Standard
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