E-PolyLearning

1. Enzyme activity can be blocked or retarded on minute disturbance in
a. density
b. optimum ph
c. temperature
d. concentration
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Answer: (b).optimum ph

2. Non-protein part of an enzyme is called
a. co-enzyme
b. co-factor
c. substrate
d. activator
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Answer: (b).co-factor

3. A definite charge bearing site of an enzyme on which a chemical substance attaches itself is called
a. active site
b. available site
c. catalytic site
d. binding site
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Answer: (a).active site

4. An enzyme which is devoid of its either prosthetic group or co-enzyme is designates as
a. holoenzyme
b. apoenzyme
c. substrate
d. coenzyme
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Answer: (b).apoenzyme

5. Inactive form of pepsin which has power of destroying cell's internal structure is known as
a. pepsinogen
b. pectin
c. pancreatic
d. amino pectin
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Answer: (a).pepsinogen

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