Enzyme Technology Mock Test 5

10%

Question 1 of 10

1. Packed bed reactor is not referred to as plug flow reactor.

False

True

Question 1 of 10

Question 2 of 10

2. Which of the following is not present in commercial preparation from Trichoderma reesei?

cellulase

glucan 1,4-b-glucosidase

invertase

cellulose 1,4-b-cellobiosidase

Question 2 of 10

Question 3 of 10

3. ____________ releases methanol from pectyl-methyl esters.

Pectinesterase

Cellulase

Pectin lyase

Hemicellulase

Question 3 of 10

Question 4 of 10

4. In tropical rain forests, dead trees take several years to decay.

False

True

Question 4 of 10

Question 5 of 10

5. Which of the following lactase is used?

High maltose syrups production

Long life sterilized milk

High conversion syrups production

Cheese making

Question 5 of 10

Question 6 of 10

6. Which of the following enzyme hydrolyzes 1,4-a-D-galactosiduronic linkages randomly?

Polygalacturonase

Pectin lyase

Pectinesterase

Hemicellulase

Question 6 of 10

Question 7 of 10

7. ____________ is one which expresses the efficiency with which the energy dissipated in producing the fluid flow is used to transport material (and heat) to the catalytic surface.

Fractional conversion

Reynolds number

Normalized time

Le Goff number

Question 7 of 10

Question 8 of 10

8. Production of DE glucose syrup using glucoamylase has shortcomings as an object of commerce.

False

True

Question 8 of 10

Question 9 of 10

9. Immobilized penicillin amidases produces ______________

L-Aspartic acid

Aspartame

Penicillin

Acrylamide

Question 9 of 10

Question 10 of 10

10. Which kind of reactor is represented in the following diagram?

Continuous flow membrane reactor

Stirred tank batch reactors

Continuous Stirred tank batch reactors

Fluidized bed reactor

Question 10 of 10