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Practice Preservation of Food - Dairy and Food Engineering - Agricultural Engineering previous year questions organised from real papers, with year-wise coverage and clear topic navigation.
Every graph below is calculated only from this selection.
Year-wise coverage for Preservation of Food. Each bar uses a separate theme-derived color.
How the classified questions are distributed by difficulty.
MCQ, numerical, multiple-select and other formats found in these papers.
Top subjects by unique question coverage.
Top topics across the included previous year papers.
Top subtopics inside this exact selection.
Question coverage for the most populated papers. Every active PYP paper remains listed below.
Newest papers appear first. Sort by year, question coverage or name.
| Paper | Year / session | Questions in this view | Open |
|---|---|---|---|
| Agricultural Engineering (AG) 2025 | 2025 | 1 | View paper |
| Agricultural Engineering (AG) 2021 | 2021 | 1 | View paper |
| Agricultural Engineering (AG) 2011 | 2011 | 1 | View paper |
| Agricultural Engineering (AG) 2010 | 2010 | 1 | View paper |
| Agricultural Engineering (AG) 2008 | 2008 | 1 | View paper |
| Agricultural Engineering (AG) 2007 | 2007 | 1 | View paper |
Practice every matching question in batches of 20, with every available option.
Bacterial population in milk increases 200 times in 18 hours of storage at 20 °C. The increase in population in 3 hours of storage at the same temperature is
Let m, n and p be the numbers of carbon, hydrogen and fluorine atoms in a refrigerant. The identification number of the refrigerant is
The assumption(s) which is/are not correct for deriving the Plank’s equation for estimation of food freezing time: