Question

The bacteria which produce(s) β-galactosidase is/are
A.Citrobacter
B. Enterohacter
C. Serratia
D. all of these

Answer 1

D. all of these is the correct answer.
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Answer 2

The bacteria which produce(s) β-galactosidase is/are
A.Citrobacter
B. Enterohacter
C. Serratia
D. all of these

D. all of these✔✔✔✔

Reason✍✍✍✍✍

The bacteria which produce(s) β-galactosidase are Citrobacter,Enterohacte and Serratia.