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Food Chemistry MCQ with Answer Quiz Part-1| Food Chemistry | Foodtech E-Learning

 


1. ______________% of energy from fat should be obtained from a typical Indian diet





ANSWER= (A) 10%

 

2. ______________ is a micronutrient





ANSWER= (A) Calcium

 

3. Milk is not a good source of





ANSWER= (D) Fibre

 

4. Nutrient requirements vary based on __________________.





ANSWER= (A) Age and gender

 

5. __________________ can be stored in the body.





ANSWER= (A) Water

 

6. On an average 100 g of cooking oil provides





ANSWER= (D) 900 calories

 

7. Phyto-sterols competitively inhibit cholesterol absorption across the gut and thereby can reduce cholesterol levels by





ANSWER= (A) 1% to 5%

 

8. Generally vegetable oils are the good source of plant sterols, especially





ANSWER= (C) Both a and b

 

9. All fats are derivatives of





ANSWER= (A) Fatty acids and glycerol

 

10. Which are the fat-soluble vitamins





ANSWER= (A) Vitamin A, D, E and K

 

11. The most common cell path for UV-Visible region is





ANSWER= (A) 1cm

 

12. What is NIR?





ANSWER= (B) Non Infra Red Colorimetry

 

13. The disadvantage of Colorimetry techniques is relatively --------------due to high-moisture food products and ingredients.





ANSWER= (A) weak absorption

 

14. which is function by absorbing large portions of the spectrum while transmitting relatively limited wavelength regions.





ANSWER= (C) filter

 

15. Which scale is a standard used internationally to relay values of color in relation to lightness?





ANSWER= (D) CIE scale

 

16. Column chromatography separates molecules according to their ___.





ANSWER= (A) molecular size

 

17. In column chromatography, molecules that are ___ move around the beads in the matrix and therefore move through the column ____.





ANSWER= (D) large, quickly

 

18. Paper chromatography separates molecules according to their ___.





ANSWER= (C) solubility

 

19. What is the maximum Rf value for any molecule in paper chromatography?





ANSWER= (B) 1.0

 

20. Using paper chromatography, the Rf value for xanthophyll was 0.3 and the value for chlorophyll a was 0.7. What is true for these two pigments?





ANSWER= (B) Chlorophyll a is a larger molecule than xanthophyll.

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