8. α-amylase is an endo enzyme which requires
A.Ca
B.Cu
C.Mn
D.None of these

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9. Liquefaction of starch to dextrin is carried out by
A.α-amylase
B.cellulase
C.pectinase
D.all of these

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10. Which is true about rennet?
A.It is a mixture of protease chymosin and pepsin
B.It is a mixture of rennin and pepsin
C.Both (a) and (b)
D.none of the above

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11. Milk digestibility is improved by using
A.RNase
B.lactase
C.β-amylase
D.none of these

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12. Which of the following mainly serve to convert starch into high fructose corn syrup (HFCS)?
A.α-amylase
B.Gluco-isomerase
C.Gluco-amylase
D.all of these

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13.  Lysozyme
A.catalyses hydrolysis of β-1-4 linkages between N-acetyl muranic acid and N-acetyl glucosamine in peptideoglycan
B.catalyses hydrolysis of α-1-4 linkages between N-acetyl muranic acid and N-acetyl glucosamine in peptideoglycan
C.catalyses hydrolysis of α-1-4 linkages between N-diacetyl muranic acid and N-diacetyl glucosamine in peptideoglycan
D.all of the above

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14. Hersperidinase is used for
A.juice clarification
B.juice debittering
C.off flavour reduction
D.RNA reduction in fish

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