Life Sciences
GATE XL topic:biological-sciences PYQs
Build your understanding with focused practice from past exam papers.
Questions 601–610 of 1235. Imported answers require independent review unless marked reviewed.
Question 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
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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
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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?
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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
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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
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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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You can attempt this question now. Sign in to view the answer key, explanations and discussion.Log in to check answerQuestion 121
Open questionXL-UNAT2 marksNeeds review
In a dairy processing plant, milk enters a 30 m long and 2 cm diameter tube at 60 °C and leaves at 57 °C. The total heat loss over the tube length is 381.15 W. The specific heat capacity, density, and viscosity of milk are 3.85 kJ kg⁻¹ K⁻¹, 1020 kg m⁻³, and 1.20 cP, respectively. The Reynolds number for the flow is _____ (round off to the nearest integer).
Given:
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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 122
Open questionXL-UNAT2 marksNeeds review
The dry bulb temperature and relative humidity of air inside a storage chamber are 37 °C and 50%, respectively. The saturation pressure of water vapor at 37 °C and barometric pressure are 6.28 kPa and 101.32 kPa, respectively. The humidity ratio of air inside the chamber is _____ kg water (kg dry air)⁻¹ (round off to three decimal places).
Given: Molecular weight of water vapor and dry air are 18.02 g mol⁻¹ and 28.97 g mol⁻¹, respectively.
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