Microbiology MCQ//5

21.  Which one of the following is spiral metabolic pathway?

a.      Kreb’s cycle

b.      Pentose phosphate pathway

c.       β-oxidation

d.      Glyoxylate cycle

22.  Which one of the following enzyme is the rate limiting in glycolysis?

a.      Heexokinase

b.      Phosphofructokinase

c.       Aldolase

d.      Pyruvate kinase

23.  Recombinant DNA technology was first developed by:

a.      Paul Berg

b.      Herber Boyer

c.       Aldolase

d.      All of them

24.  Taq- polymerase is an enzyme that is used in:

a.      DNA replication

b.      RNA polymerization

c.       DNA ligation

d.      RNA ligation

25.  Use of Bacillus thuringensis is in:

a.      Nitrogen fixation

b.      Water treatment

c.       To control insect

d.      To control eutrophication