MCQOPTIONS
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MCQOPTIONS
This section includes 12 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: Under water storage is more effective than that in the air.Statement 2: Adsorption of CO2 on the surface of grains is a reversible process. |
| A. | True, False |
| B. | True, True |
| C. | False, False |
| D. | False, True |
| Answer» C. False, False | |
| 2. |
Three level packaging is done for rice. Which bag is for quality control? |
| A. | Inner most bag 1 |
| B. | Middle bag 2 |
| C. | Outermost bag 3 |
| D. | All of the mentioned |
| Answer» C. Outermost bag 3 | |
| 3. |
Meats stored in _____ environment have a better color than _____ |
| A. | CO<sub>2</sub>, O<sub>2</sub> |
| B. | O<sub>2</sub>, CO<sub>2</sub> |
| C. | CO<sub>2</sub>, N<sub>2</sub> |
| D. | N<sub>2</sub>, O<sub>2</sub> |
| Answer» C. CO<sub>2</sub>, N<sub>2</sub> | |
| 4. |
Statement 1: Influence of bacteria has more effect on the storage of food than the pH control.Statement 2: Meat color is due to the presence of _____ |
| A. | True, myoglobin |
| B. | True, haemoglobin |
| C. | False, myoglobin |
| D. | False, haemoglobin |
| Answer» B. True, haemoglobin | |
| 5. |
Statement 1: A gas atmosphere containing 20% CO2 is effective in inhibiting slime-producing bacteria.Statement 2: Meat can be preserved by protecting it from oxygen as the majority of bacteria grow in that atmosphere. |
| A. | True, False |
| B. | True, True |
| C. | False, False |
| D. | False, True |
| Answer» C. False, False | |
| 6. |
Which of the following is true with respect to volatile by controlling oxygen content in storage? |
| A. | Lowing in endogenous concentration increases rate of volatile formation |
| B. | Anaerobiosis favors its production if it is a highly reduced compound |
| C. | Limiting the amount of energy available |
| D. | All of the mentioned |
| Answer» E. | |
| 7. |
Statement 1: Under hypobaric storage, oxygen content is reduced to reduce the rate of synthesis of volatile.Statement 2: Altering respiration can help in decreasing the production of carbon dioxide. |
| A. | True, False |
| B. | True, True |
| C. | False, False |
| D. | False, True |
| Answer» C. False, False | |
| 8. |
Statement 1: Under hypobaric storage, the gas always attains equilibrium with its surroundings.Statement 2: Hypobaric storage is a continuous process. |
| A. | True, False |
| B. | True, True |
| C. | False, False |
| D. | False, True |
| Answer» C. False, False | |
| 9. |
Under hypobaric storage, when gas is in equilibrium with its surroundings, the diffusivity _____ and concentration gradient _____ |
| A. | Increase by ten folds, decreases to one-tenth |
| B. | Decreases to one-tenth, increase by ten folds |
| C. | Stays constant, stays constant |
| D. | None of the mentioned |
| Answer» B. Decreases to one-tenth, increase by ten folds | |
| 10. |
Statement 1: Sub atmospheric storage involves ventilating the produce with air saturated with water vapor by continuously evacuating the container with a sealed vacuum pump.Statement 2: Under hypobaric storage, a gas in equilibrium with its surroundings will have its outward diffusion rate proportional to concentration gradient and diffusivity. |
| A. | True, False |
| B. | True, True |
| C. | False, False |
| D. | False, True |
| Answer» C. False, False | |
| 11. |
Which of the following variables affect gas exchanges into and out of the package? |
| A. | Weight of apples |
| B. | Ethylene concentration |
| C. | Structure of the packaging film |
| D. | All of the mentioned |
| Answer» D. All of the mentioned | |
| 12. |
Which of the following is NOT delivered by the modified atmosphere (MA) or controlled atmosphere (CA)? |
| A. | Delay ripening of fruits |
| B. | Retard spread of diseases |
| C. | Toughing |
| D. | Incidence of storage disorders |
| Answer» D. Incidence of storage disorders | |