- A. Aspergillus niger
- B. Fusarium verticillioides
- C. Aspergillus flavus correct
- D. Rhizopus oligosporus
GATE XL 2024 Food Technology question paper
Every Food Technology question from the GATE Life Sciences (XL) paper sat in 2024, conducted by IISc Bengaluru, exactly as it was set — with the options and the answer key. The full paper's section-by-section pattern is below.
- Food Technology questions
- 19
- Food Technology marks
- 30
- Full paper
- 190 marks
- Duration
- 180 minutes
What the 2024 paper contained
Counted from the paper itself, not from a notification — the row highlighted below is the section this page reproduces.
| Section | Questions | Marks | Question types |
|---|---|---|---|
| General Aptitude | 10 | 15 | 10 MCQ |
| Chemistry | 17 | 25 | 8 MCQ, 4 MSQ, 5 NAT |
| Biochemistry | 19 | 30 | 6 MCQ, 7 MSQ, 6 NAT |
| Botany | 19 | 30 | 8 MCQ, 8 MSQ, 3 NAT |
| Microbiology | 19 | 30 | 10 MCQ, 6 MSQ, 3 NAT |
| Zoology | 19 | 30 | 12 MCQ, 3 MSQ, 4 NAT |
| Food Technology | 19 | 30 | 11 MCQ, 7 MSQ, 1 NAT |
Sit it timed
Attempt the 2024 paper properly
Reading the answer key is not the same as sitting the paper. Take it timed and scored, with the worked solution behind every question and your rank against everyone else who has attempted it.
Food Technology questions, 2024 — with answer key
19 questions, numbered as they were in the paper. The correct option is marked on each.
- A. Net Protein Ratio
- B. Net Protein Utilization
- C. Coefficient of Protein Digestibility
- D. Protein Efficiency Ratio correct
- A. Thiamin
- B. Pantothenic acid
- C. Vitamin A correct
- D. Vitamin C
- A. Neutralization
- B. Bleaching
- C. Degumming correct
- D. Deodorization
- A. 5-methyl-2-phenyl-2-hexenal correct
- B. Cyclotene
- C. Furaneol
- D. Maltol
- A. HACCP is a management tool for ensuring food safety
- B. HACCP involves five preliminary steps and seven principles
- C. HACCP is not effective without prior implementation of prerequisite programs
- D. HACCP plan involves establishment of corrective actions as second principle correct
- A. Tempeh
- B. Natto
- C. Sauerkraut correct
- D. Miso
- A. Potassium permanganate
- B. Activated carbon
- C. Calcium hydroxide
- D. Silica gel correct
- A. At a given temperature, the difference between adsorption and desorption moisture isotherms is known as hysteresis
- B. At a given temperature and water activity, an adsorption isotherm exhibits higher equilibrium moisture content than a desorption isotherm in hysteresis correct
- C. At a given moisture content, effect of temperature on a moisture sorption isotherm follows the Clausius-Clapeyron equation
- D. The Guggenheim-Anderson-de Boer (GAB) equation is a multilayer moisture sorption model
- A. High-temperature, short-time (HTST) pasteurization correct
- B. Low-temperature, long-time (LTLT) pasteurization
- C. Ultra high-temperature (UHT) pasteurization
- D. Homogenization process
P. Lectin 1. Flatulence
Q. Stachyose 2. Chelates with divalent cations and reduces their bio-availability
R. Phytate 3. Inhibits trypsin and chymotrypsin
S. Kunitz type inhibitor 4. Hemagglutination
- A. P-4, Q-1, R-2, S-3 correct
- B. P-3, Q-1, R-2, S-4
- C. P-2, Q-1, R-4, S-3
- D. P-1, Q-2, R-3, S-4
- A. Omega-3 Fatty acids
- B. Trans Fatty acids correct
- C. Conjugated Linoleic acids
- D. Saturated Fatty acids correct
- A. Calcium ions
- B. Hydrogen ions correct
- C. Sodium ions
- D. Sugar correct
- A. Pretreatment using asparaginase correct
- B. Lowering the pH correct
- C. Increasing the temperature
- D. Adding glucose
- A. α-Amylase correct
- B. β-Amylase
- C. Xylose isomerase correct
- D. Glucoamylase correct
- A. Presence of histone proteins correct
- B. Presence of peptidoglycans in the cell wall
- C. Presence of chitin in the cell wall correct
- D. Presence of pseudomurein in the cell wall
- A. Legionellosis is a bacterial disease correct
- B. Giardiasis is caused by the protists correct
- C. Typhoid fever is caused by the virus
- D. Listeriosis is a fungal disease
- A. Hagen-Poiseuille's law is used for calculation of molecular diffusion
- B. Fick's law is used for calculation of energy requirement in size reduction
- C. Rittinger's law is used for calculation of energy requirement in size reduction correct
- D. Stokes law is used for derivation of terminal velocity correct
Correct: 1.52 to 1.56
Worked solutions are not printed here — every one of these questions carries a full explanation inside the test itself, which is where it is actually useful: after you have committed to an answer. Sit the 2024 paper.
Other GATE XL papers
Or see every GATE XL mock test on the site — full papers, sectional tests and the exam pattern, and the GATE XL syllabus with section weightage.