1. Allosteric enzymes are
A. larger than simple enzyme
B. smaller than simple enzyme
C. larger and more complex than simple enzyme
D. smaller than simple enzyme but not complex
2. Intracellular enzymes
A. synthesize cellular material only
B. synthesize cellular material and perform catabolic reaction
C. synthesize cellular material and perform anabolic reaction
D. only provide energy to the cell
3. Enzyme catalase has non-protein metal as
A. magnesium
B. manganese
C. iron
D. zinc
4. Isozymes or iso enzymes are those enzyme which
A. have same structural forms
B. have different structural forms but identical catalytic properties
C. catalyses oxidation reactions
D. none of these
5. Enzymes are
A. organic compounds produced by living organism
B. inorganic compounds
C. organic as well as inorganic compounds
D. all of these