Life Sciences
GATE XL year:2022 PYQs
Build your understanding with focused practice from past exam papers.
Questions 111–120 of 122. Imported answers require independent review unless marked reviewed.
Question 111
Open questionXL-UNAT1 markNeeds review
In a canning industry, the total process time (F₀) was calculated as 3 min. If each can contains 20 spores having decimal reduction time of 1.6 min, the probability of spoilage would be _____ in 100 cans (round off to the nearest integer).
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Open questionXL-UMCQ2 marksNeeds review
Match the edible oil refining stages given in Column I with their respective functions in Column II.
Column I
P. Degumming
Q. Neutralization
R. Bleaching
S. Winterization
Column II
Separation of waxes
Remove of pigments
Remove of phosphates
Remove of free fatty acids
Your answerChoose one option.
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You can attempt this question now. Sign in to view the answer key, explanations and discussion.Log in to check answerQuestion 113
Open questionXL-UMCQ2 marksNeeds review
Make the correct pair of food packaging technology given in Column I with operating principle or description in Column II.
Column I
P. Aseptic packaging
Q. Active packaging
R. Modified atmosphere packaging
S. Vacuum packaging
Column II
Control of the concentration of O₂ and CO₂ inside the package
Create a skin tight package wall
Independent sterilization of food and packaging material and packaging under sterile environment
Makes non-passive contribution to product development
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You can attempt this question now. Sign in to view the answer key, explanations and discussion.Log in to check answerQuestion 114
Open questionXL-UMCQ2 marksNeeds review
Which of the following is not a caramel flavor producing compound?
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You can attempt this question now. Sign in to view the answer key, explanations and discussion.Log in to check answerQuestion 115
Open questionXL-UMCQ2 marksNeeds review
Match the size reduction equipment in Column I with the method of operation in Column II.
Column I: P. Hammer mill; Q. Burr mill; R. Crushing rolls; S. Rotary knife
Column II: 1. Compression; 2. Impact; 3. Cutting; 4. Attrition
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You can attempt this question now. Sign in to view the answer key, explanations and discussion.Log in to check answerQuestion 116
Open questionXL-UMCQ2 marksNeeds review
Most commonly used refrigerant in direct immersion freezing of food is
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You can attempt this question now. Sign in to view the answer key, explanations and discussion.Log in to check answerQuestion 117
Open questionXL-UMSQ2 marksNeeds review
Which among the following are ω-6 poly unsaturated essential fatty acids?
Your answerSelect all correct options. You can choose more than one.
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You can attempt this question now. Sign in to view the answer key, explanations and discussion.Log in to check answerQuestion 118
Open questionXL-UMSQ2 marksNeeds review
Which among the following statements are true with respect to protein denaturation?
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You can attempt this question now. Sign in to view the answer key, explanations and discussion.Log in to check answerQuestion 119
Open questionXL-UMSQ2 marksNeeds review
Identify the correct pair(s) of milling equipment and the grain for which it is used.
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You can attempt this question now. Sign in to view the answer key, explanations and discussion.Log in to check answerQuestion 120
Open questionXL-UMSQ2 marksNeeds review
Which among the following expresion(s) is/are correct?
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