Engineering Sciences
GATE XE year:2026 PYQs
Build your understanding with focused practice from past exam papers.
Questions 141–150 of 197. Imported answers require independent review unless marked reviewed.
Question 141
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Match the toxins in Column I with their respective sources in Column II.
Column I | Column II
P. Aflatoxin | 1. Fusarium verticillioides
Q. Nisin | 2. Enterohemorrhagic E. coli
R. Fumonisin | 3. Lactococcus lactis
S. Shiga-like toxin | 4. Aspergillus flavus
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Match the vitamins in Column I with their respective coenzyme forms listed in Column II.
Column I | Column II
P. Vitamin B₁ | 1. Tetrahydrofolate
Q. Vitamin B₂ | 2. Methylcobalamin
R. Pantothenic acid | 3. Thiamine pyrophosphate
S. Vitamin B₁₂ | 4. Flavin adenine dinucleotide
T. Folic acid | 5. Coenzyme A
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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 143
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Which one of the following proteins brings about the coagulation of milk in the stomach of calves?
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Match the class of additives used for food preservation listed in Column I with their specific examples in Column II.
Column I | Column II
P. Antioxidants | 1. Rice bran wax
Q. Anti-foaming agent | 2. Tricalcium phosphate
R. Anti-caking agent | 3. Mineral oil
S. Glazing agent | 4. Butylated hydroxy anise (BHA)
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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 145
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Match the food items listed in Column I with their respective flavoring agents in Column II.
Column I | Column II
P. Cloves | 1. Diacetyl
Q. Butter | 2. Limonene
R. Orange | 3. Eugenol
S. Lemon | 4. Diallyl disulfide
T. Garlic | 5. Citral
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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 146
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Vegetable oils resist oxidation and maintain their quality for a long period due to the presence of
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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 147
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For a given temperature difference between the top and bottom surfaces of a flat metal plate, Fourier’s law of heat conduction implies that
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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 148
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Xylooligosaccharides can be produced by
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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 149
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In a α-helix, the R-groups on the amino acid residues
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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 150
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During constant pressure cake filtration, for an incompressible cake deposited uniformly over a constant filter surface area,
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