Life Sciences
GATE XL topic:biological-sciences PYQs
Build your understanding with focused practice from past exam papers.
Questions 851–860 of 1235. Imported answers require independent review unless marked reviewed.
Question 11
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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Open questionXL-UMCQ2 marksNeeds review
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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Open questionXL-UMCQ2 marksNeeds review
Match the component/system in Column I with the peeling method for fruits and vegetables in Column II.
Column I | Column II
P. Lye solution | 1. Flash peeling
Q. Carborundum rollers | 2. Flame peeling
R. Pressure vessel | 3. Abrasion peeling
S. Conveyor belt | 4. Caustic peeling
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Open questionXL-UMCQ2 marksNeeds review
Which among the given options correctly explains the nature of the microbial culture represented by lines 1, 2 and 3 in the following figure?
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Open questionXL-UMCQ2 marksNeeds review
Match the equation/law in Column I with its application in Column II.
Column I | Column II
P. Planck’s equation | 1. Terminal velocity
Q. Arrhenius equation | 2. Freezing time
R. Guggenheim-Anderson-de Boer equation | 3. Activation energy
S. Stokes’ law | 4. Monolayer moisture content
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Open questionXL-UMCQ2 marksNeeds review
Match the absorber used in modified atmosphere packaging and storage in Column I with the scavenger in Column II.
Column I | Column II
P. Oxygen absorber | 1. Calcium chloride
Q. Carbon dioxide absorber | 2. Magnesium oxide
R. Ethylene absorber | 3. Ferric oxide
S. Moisture absorber | 4. Potassium permanganate
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Open questionXL-UMCQ2 marksNeeds review
During extrusion cooking, food materials are generally subjected to a combination of
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Open questionXL-UNAT2 marksNeeds review
An orange juice flowing at 0.80 kg s
enters a counter current double pipe heat exchanger at 20 °C and leaves at 72 °C. Inlet and outlet temperatures of the hot water used as heating medium in the exchanger are 81 °C and 74 °C, respectively. The specific heat of the orange juice is 3.74 kJ kg
K
and overall heat transfer coefficient is 492 W m
K
. The heat transfer surface area (round off to 2 decimal places) will be ______ m
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