1. ____ are the largest of the microorganisms but are still single cells, and some produce spores.
a. Yeast
b. Bacteria
c. Molds
d. Ameba
2. Microbes that prefer cold temperatures are ____.
a. mesophilic
b. thermophilic
c. psychrophilic
d. obligative
3. The removal of free fatty acids and gummy substances before hydrogenation is called
A. refining
B. bleaching
C. deodorization
D. all of them

4. Adiabatic process is called
A. heat exchange
B. heating process
C. isentropic process
D. all of them
5. Which of the following is not a physical separation process?
A. filtration
B. sedimentation
C. centrifugation
D. extraction
6. The power required by the impeller during liquid mixing is not the function of
A. viscosity
B. density
C. speed of agitator
D. conductivity

7. Light pulses and low does gamma irradiation are effective techniques for inactivation of bacteria and fungi in the food processing industry.
a) True
b) False
8. Which of the following is true about Sound Ultrasound?
a) Generates mechanical energy to enhance chemical action on surfaces
b) Both of the mentioned
c) Scrubbing action loosens the dirt particles and cleans the food particle
d) None of the mentioned
9. Organic chemistry involves molecules that contain which element?
a. carbon
c. oxygen
b. nitrogen
d. calcium

10. Vitamin ____ functions in normal blood clotting.
a. C 
b. A
c. D
d. K
11. Sucrose is commonly referred to as ____.
a. salt
b. carbohydrate
c. sugar
d. glucose
12. ____ is the most common polysaccharide added to food products.
a. Water
b. Salt
c. Glucose
d. Starch