Enzyme Technology Mock Test 1

10%

Question 1 of 10

1. The pH at which half the groups of a compound are ionized is referred to as _________

pK_a

K_m

Question 1 of 10

Question 2 of 10

2. Which one of the following is not a factor that limit the selection of right starting material for enzyme production?

Availability of enzyme in the source

Location of enzyme

Isolation procedures

Source selection

Question 2 of 10

Question 3 of 10

3. Enzymes are the polymers of ___________

organic phosphate

amino acids

fatty acids

hexose carbon

Question 3 of 10

Question 4 of 10

4. In the following diagram, what does enzyme Z represent?

Ligases

Hydrolases

Glucose isomerase

Aldolases

Question 4 of 10

Question 5 of 10

5. Pectinases belong to which class of enzyme?

Transferases

Lyases

Hydrolases

Ligases

Question 5 of 10

Question 6 of 10

6. Major drawback of utilizing enzymes is _________

unstable nature of enzymes

selectivity

specificity

high productivity

Question 6 of 10

Question 7 of 10

7. Which of the following is a systematic name given by enzyme commission?

Renin

Glutathione synthetase

D-xylose ketol-isomerase

Aspartate aminotransferase

Question 7 of 10

Question 8 of 10

8. Calculate the ionic strength of 0.2 M solution of Calcium chloride?

0.6 M

0.06 M

0.9 M

6.0 M

Question 8 of 10

Question 9 of 10

9. Which of the following is not a technique for the extraction of enzymes by chemical methods?

Alkali treatment

Osmotic shock

Detergent treatment

Homogenization

Question 9 of 10

Question 10 of 10

10. Alkali treatment is not advisable for which of the following?

Extracellular enzymes

Enzymes in cell wall of plant sources

Membrane bound enzymes in eukaryotic cell

Bacterial enzymes in cell wall

Question 10 of 10