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This section includes 14 Mcqs, each offering curated multiple-choice questions to sharpen your Food Engineering knowledge and support exam preparation. Choose a topic below to get started.
1. |
Statement 1: Hard-smoked salmon products can be kept without refrigeration.Statement 2: The drying effect of smoke and smoke components is to _____ |
A. | True, Inhibit bacteria |
B. | True, Inhibit bacteria & Retard fat oxidation |
C. | False, Retard fat oxidation |
D. | False, Neither of the mentioned |
Answer» C. False, Retard fat oxidation | |
2. |
Which of the following steps is not included in hard-smoked salmon procedure? |
A. | Soaking in fresh water for a few hours to remove slight excess salt |
B. | Hard-salted salmon must be soaked for 24-48 hours |
C. | After the salmon has been split into two sides with backbone removed and thoroughly cleaned, it is salted in barrels for 3-4 days |
D. | None of the mentioned |
Answer» E. | |
3. |
Before the mild-cured sides can be given the smoke cure, it is necessary to remove excess salt. |
A. | True |
B. | False |
Answer» B. False | |
4. |
Only the best quality fish or shellfish should be used for smoke-curing. Why? |
A. | The bad quality might interfere with the process |
B. | Smoking will not conceal the bad quality or poor flavor |
C. | It proves to be expensive |
D. | All of the mentioned |
Answer» C. It proves to be expensive | |
5. |
Which of the following statements about salting are true? |
A. | Calcium and magnesium salts and all sulphates affect a retardation of the penetration of salt into fish during salting process |
B. | There are two methods of salting fish- brine-salting and dry-salting |
C. | Dry-salting is more commonly used than dry salting because it is more efficient |
D. | All of the mentioned |
Answer» E. | |
6. |
Which of the following is involved in controlled fermentation of cucumbers brined in bulk? |
A. | Directing the fermentation by thorough washing of cucumbers, chlorination and acidification of the cover brine and addition of sodium acetate as buffer |
B. | Inoculation of brine with a starter culture of L. Plant arum |
C. | Purging of dissolved carbon dioxide from the brine with nitrogen |
D. | All of the mentioned |
Answer» E. | |
7. |
Microorganisms which have higher amount of _____ have been implicated as causes of bloater damage in natural fermentation commercially. |
A. | Oxygen |
B. | Carbon dioxide |
C. | Water |
D. | All of the mentioned |
Answer» C. Water | |
8. |
The bitterness of olives is treated by treating olives with 2% _____ |
A. | Sodium chloride |
B. | Sodium Hydroxide |
C. | Barium chloride |
D. | Either of the mentioned |
Answer» C. Barium chloride | |
9. |
Which of the following is NOT a step in commercial curing of cucumber? |
A. | Salt is added to it where carbohydrates get converted into acid which supplements the action of salt |
B. | After sufficient aging of salt, it is leached out of the cucumber with warm water |
C. | Alum is added to the cucumber to firm the tissue and turmeric is added to improve color |
D. | Neither of the mentioned |
Answer» E. | |
10. |
Salt concentration is measured in terms of degree salometer. It is based on the saturation of water with 25% sodium chloride at room temperature. |
A. | True |
B. | False |
Answer» B. False | |
11. |
The addition of salt during pickling ____________ hence supplementing the action of salt. |
A. | Permits the naturally present lactic acid bacteria to grow |
B. | Prevents the naturally present lactic acid bacteria to grow |
C. | Neither of the mentioned |
D. | None of the mentioned |
Answer» B. Prevents the naturally present lactic acid bacteria to grow | |
12. |
Statement 1: Which among the following types of salts contain chemical impurities?Statement 2: Which of the following is a use of salt in food? |
A. | Solar Salt, exerts a growth repressing action on certain microorganisms |
B. | Rock Salt, can limit moisture availability |
C. | Welled Salt, exerts a growth repressing action on certain microorganisms |
D. | All of the mentioned, neither of the mentioned |
Answer» B. Rock Salt, can limit moisture availability | |
13. |
Which of the following is the source of salt used for preservation of food items? |
A. | Solar salt |
B. | Welled salt |
C. | Rock salt |
D. | All of the mentioned |
Answer» E. | |
14. |
The principle of adding salt to meat to preserve it is called _____ |
A. | Pickling |
B. | Curing |
C. | Pickling & Curing |
D. | Neither of the mentioned |
Answer» C. Pickling & Curing | |