The co-enzyme containing an automatic hetero ring in the structure is 

(A) Biotin 

(B) TPP 

(C) Sugar Phosphate 

(D) Co-enzyme

A coenzyme containing non aromatic hetero ring is 

(A) ATP 

(B) NAD 

(C) FMN 

(D) Biotin

All the enzymes involved in the synthesis of cholesterol are found in 

(A) Mitochondria 

(B) Golgi apparatus 

(C) Nucleus 

(D) Endoplasmic reticulum and cytoso

Pyruvate is converted into acetyl-CoA by 

(A) Decarboxylation 

(B) Dehydrogenation 

(C) Oxidative decarboxylation 

(D) Oxidative deamination

For conjugation with many enogenous and exogenous substances before elimination in urine, the uronic acid pathway provides 

(A) Active glucuronate 

(B) Gulonate 

(C) Xylulose 

(D) Xylitol

Name the enzyme that acts both as carboxylase at one time and oxygenase at another time. 

(A) PEP carboxylase 

(B) RuBP carboxylase 

(C) Carbonic anyhdrase 

(D) None of these

Which mineral element controls the activity of Nitrate reductase ? 

(A) Fe 

(B) Mo 

(C) Zn 

(D) Ca

The best example of extracellular enzymes (exoenzyme) is 

(A) Nucleases 

(B) Digestive enzymes 

(C) Succinic dehydrogenase 

(D) None of these

Which enzyme is concerned with transfer of electrons? 

(A) Desmolase 

(B) Hydrolase 

(C) Dehydrogenase 

(D) Transaminase

Plasma non-functional enzymes are 

(A) totally absent 

(B) low concentration in plastic 

(C) important for diagnosis of several disease 

(D) All of these