1. Which of the following is untrue?
a) Gut flora produces Vitamin K and Biotin in the intestine
b) Vitamin D is synthesized in the skin
c) Humans can produce some vitamins from precursors that they consume
d) None of the mentioned
Discussion
Explanation: All of the above sentences are correct.
2. Which of the following is untrue?
a) Primary deficiency occurs when any vitamin is not consumed in the minimum required amount
b) Secondary deficiency occurs when proper absorption of the vitamins doesn’t take place
c) Overdosing from vitamin supplementation is possible
d) None of the mentioned
Discussion
Explanation: All of the above sentences are correct.
3. Which of the following is untrue about grilling meat?
a) The advantage of this process is that it reduces the saturated fat in the meat
b) It produces Hetero cyclic amines which are carcinogenic
c) It produces poly cyclic aromatic hydrocarbons which are carcinogenic
d) None of the mentioned
Discussion
Explanation: All the given points about grilling of meat are correct.
4. Poly cyclic Aromatic Hydrocarbons are formed when the meat is exposed to very high temperatures.
a) True
b) False
Discussion
Explanation: Hetero cyclic amines are formed when the meat is exposed to very high temperatures.
Poly cyclic Aromatic Hydrocarbons are formed when fat from the meat ignites/ drips on the coal.
5. Which information is incorrect when it comes to dehydration affecting vitamins?
a) Beta-carotene and B-vitamin do not get affected
b) Vitamin C does not get affected
c) Vitamin C is retained during pickling of vegetables
d) None of the mentioned
Discussion
Explanation: Vitamin C is lost during dehydration.
6. Which of the following is untrue?
a) Many Vitamin Bs like Vitamin B6 are affected by heating
b) Vitamin C is lost in almost all food processing steps
c) Vitamin C degradation decreases by enzymes and also metals like Cu and Fe
d) Vitamin A is stable in absence of oxygen
Discussion
Explanation: Vitamin C degradation increases by metals like Cu and Fe and also by the action of enzymes.
7. Alisha challenged her friends that one special vitamin would not be affected when she boils milk. Which vitamin is it?
a) Vitamin C
b) Vitamin D
c) Vitamin B
d) None of the mentioned
Discussion
Explanation: Vitamin D is not affected by any processing and is very stable.
8. Which of the following statements is true with respect to food processing?
a) Sodium is lost during cooking and selenium is volatile and is lost by cooking or processing
b) Vitamins can be removed from food via leaching
c) Mineral losses in food processing are more compared to Vitamins
d) Boiling has less mineral losses as compared to steaming
Discussion
Explanation: Sodium is lost during cooking and selenium is volatile and is lost by cooking or processing. Minerals can be removed from food via leaching. Vitamin losses in food processing are more compared to minerals. Boiling has more mineral losses as compared to steaming.
9. Which is correct with respect to staling of bread?
a) It is temperature dependent
b) It is called retro gradation
c) It is the reverse of gelatinization
d) All of the mentioned
Discussion
Explanation: The given statements are true.
10. Which of the following is true with respect to gelatinization?
a) It allows starch to be easily digested
b) In this process, on heating, the crystalline structure of starch is lost and gel is formed
c) In this process, on cooling, the digestibility of starch in the intestine decreases
d) None of the mentioned
Discussion
Explanation: The process mentioned in c is retro grading which is the opposite of gelatinization