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CBSE

Subject

Biology
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NEET Biology : Biomolecules

Multiple Choice Questions

161.

Defect in amino acid metabolism may results in :

  • albinism

  • porphyria

  • Wilson's disease

  • phenylketonuria



162.

Which enzyme is most specific ?

  • Trypsin

  • Pepsin

  • Sucrose

  • Nuclease



163.

Non-reducing sugars have

  • free CHO group and bound CO group

  • free CO group and bound CHO group

  • both CO and CHO free groups

  • neither free CO nor free CHO groups



164.

Select the type of enzyme involved in the following reaction

S - G + S' S + S' - G

  • Lyase

  • Transferase

  • Hydrolase

  • Dehydrogenase



165.

Major role of minor elements inside living organisms is to act as :

  • binder of cell structure

  • constituent of hormone

  • building blocks of important amino acids

  • cofactor of enzymes



166.

Which vitamin should not be stored ?

  • Calciferol

  • Retinal

  • Niacin

  • Ascorbic acid



167.

Usually the activity of the enzymes is optimum at normal body temperature. At about 0°C the activity of the enzyme is

  • minimum

  • maximum

  • Both (a) and (b)

  • None of these



168.

Kuhne:

  • discovered parathyroid

  • coined the term enzyme

  • coined the term gene

  • discovered enzyme



169.

Which enzyme converts glucose into alcohol ?

  • Zymase

  • Diastase

  • Invertase

  • Lipase



170.

The enzyme, which combines with non-protein part to form a functional enzyme known as :

  • co-enzyme

  • holoenzyme

  • apoenzyme

  • prosthetic group



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