Life Sciences
GATE XL format:mcq PYQs
Build your understanding with focused practice from past exam papers.
Questions 511–520 of 812. Imported answers require independent review unless marked reviewed.
Question 3
Open questionXL-UMCQ1 markNeeds review
Nisin A is produced by
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Which of the following bacteria will stain purple color after Gram staining?
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The enzyme system used for removal of glucose from egg white prior to its drying consists of
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The INCORRECT pair of food borne illness and its causative microorganism is
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Which of the following is commonly used as a preservative in the tomato sauce?
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A fluid with flow behavior index less than one (n < 1) is
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Open questionXL-UMCQ2 marksNeeds review
Match the protein in Column I with its food source in Column II.
Column I: P. Zein; Q. Gluten; R. Glycinin; S. Ovalbumin
Column II: 1. Soybean; 2. Maize; 3. Egg; 4. Wheat
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Open questionXL-UMCQ2 marksNeeds review
Match the carbohydrate in Column I with corresponding enzyme used for its hydrolysis in Column II.
Column I
P. Pectin
Q. Lactose
R. Hemicellulose
S. Inulin
Column II
Xylanase
β-galactosidase
Polygalacturonase
β-fructofuranosidase
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Match the edible oil refining stage in Column I with its purpose in Column II.
Column I: P. Degumming; Q. Neutralization; R. Bleaching; S. Winterization
Column II: 1. Separation of triglycerides; 2. Removal of pigments; 3. Removal of phosphates; 4. Removal of free fatty acids
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Open questionXL-UMCQ2 marksNeeds review
Match the food material in Column I with its related term in Column II.
Column I | Column II
P. Coffee | 1. Wort
Q. Cocoa | 2. Must
R. Beer | 3. Arabica
S. Wine | 4. Theobroma
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