T4Tutorials .PK

Chapter 2 PREPARATORY OPERATIONS MCQs

1. . Preparatory operations are steps:

(A) Post harvest


(B) Post process


(C) In line process


(D) Pre-process




2. . Heating in boiling water is known as:

(A) Blanching


(B) Pasteurization


(C) Ultra heat temperature treatment


(D) Sterilization




3. . Heat treatment used to inactivate enzymes:

(A) Blanching


(B) Pasteurization


(C) Ultra heat temperature treatment


(D) Sterilization




4. . Separation of raw material on basis of color is called as:

(A) Nutrition


(B) Grading


(C) Sorting


(D) Operation




5. . Separation of raw material on the basis of quality is called as:

(A) Sorting


(B) Operation


(C) Nutrition


(D) Grading




6. . Juice is clarified by centrifuge at speed of:

(A) 6000 RPM


(B) 5000 RPM


(C) 7000 RPM


(D) 8000 RPM




7. . Juice stickiness can be reduced by use of:

(A) Pectin


(B) Guargum


(C) Gelatin


(D) Xanthin gum




8. . The edible part of fruit is known as:

(A) Vegetable


(B) Root


(C) Fruit


(D) Bulb




9. . Fruits are ripened by gas:

(A) Ethylene


(B) Nitrogen


(C) Oxygen


(D) Carbon di-oxide




10. . Conversion of liquid phase into solid state by concentration is known as:

(A) Hydrolyzation


(B) Fumigation


(C) Crystallization


(D) Hydrogenation




11. . Sterilization with sulphur requires sulphur %age:

(A) 0.1-0.2


(B) 3-4


(C) 0.3-0.4


(D) 1-2




12. . Juices with pulp are known as:

(A) Juice


(B) Pulp


(C) Nectar


(D) Cordial




13. . Partial removal of fruit part is known as:

(A) Trimming


(B) Cutting


(C) Spoilage


(D) Deterioration




14. . Antioxidants are used in minimum ratio:

(A) 30 ppm


(B) 70 ppm


(C) 50 ppm


(D) 100 ppm




15. . Types of blanching are:

(A) 1


(B) 2


(C) 3


(D) 4




16. . Rotary washer is used for fruits that are:

(A) Tender


(B) Hard


(C) Soft


(D) Watery




17. . Size reduction increases:

(A) Weight


(B) Surface area


(C) Quantity


(D) Juice




18. . The process to remove impurities from solution is called:

(A) Mixing


(B) Filtration


(C) Cleaning


(D) Separation




19. . Fruit pulps is most basic product created by the processing of:

(A) Mature Fruit


(B) Fresh Fruit


(C) Ripe Fruit


(D) Unripe Fruit




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