GATE Overflow for GATE XE - Recent questions and answers in Lipids

GATE XE 2026 | Question: 136

Tue, 24 Feb 2026 15:26:32 +0000

Vegetable oils resist oxidation and maintain their quality for a long period due to the presence of

tocopherols
hydrolytic enzyme such as lipases
microorganisms such as molds and yeast
carbohydrates

GATE XE 2025 | Question: 137

Sun, 04 May 2025 15:30:48 +0000

If there is a delay in oil extraction after bran is separated from the brown rice, the quality of rice bran oil deteriorates. Identify the suitable $\textsf{CAUSE}$ and $\textsf{EFFECT}$ for the deterioration in oil quality.\

Lipase activity; increase in $\textsf{FFA}$
Oil hydrolysis; decrease in $\textsf{FFA}$
Lipase activity; decrease in $\textsf{FFA}$
Bran stabilization; decrease in lipase activity

GATE XE 2024 | Question: 134

Sun, 21 Jul 2024 16:40:55 +0000

Which of the following fatty acids is/are known to increase the low density lipoprotein $\text{(LDL)}$-cholesterol?

Omega-$3$ Fatty acids
Trans Fatty acids
Conjugated Linoleic acids
Saturated Fatty acids

GATE XE 2023 | Question: 135

Wed, 14 Feb 2024 18:08:14 +0000

\begin{tabular}{|c|c|c|c|c|}
\hline \multirow[t]{2}{*}{ Q. 145} & \multicolumn{4}{|c|}{\begin{tabular}{l}
Match the method/ value used for measuring lipid characteristics in Column I wi \\
the corresponding properties indicated by them, in Column II.
\end{tabular}} \\
\hline & & Column I & & Column II \\
\hline & P. & Thiobarbituric acid test & 1. & Induction time \\
\hline & Q. & Rancimat method & 2 . & Degree of unsaturation \\
\hline & $\mathrm{R}$. & Peroxide value & 3. & Carbonyl content \\
\hline & & Iodine value & 4. & Hydroperoxide content \\
\hline

& \multicolumn{4}{|c|}{ P-3, Q-1, R-4, S-2 } \\
\hline
& \multicolumn{4}{|c|}{ P-1, Q-3, R-4, S-2 } \\
\hline
& \multicolumn{4}{|c|}{ P-3, Q-1, R-2, S-4 } \\
\hline
& \multicolumn{4}{|c|}{ P-3, Q-4, R-1, S-2 } \\
\hline
\end{tabular}