| 1 |
Optimum pH value for enzyme pepsin is. |
- A. 4.50
- B. 9.00
- C. 2.00
- D. 5.50
|
| 2 |
The detachable co factor of an enzyme is known as |
- A. Co enzyme
- B. Ap enzyme
- C. Activator
- D. Prosthetic group
|
| 3 |
The active site of an enzyme |
- A. Never changes
- B. Forms no chemical bond with substrate
- C. Determines by its structure the specificity of an enzyme
- D. Looks like a lump projection from the surface of an enzyme
|
| 4 |
Optimum pH for sucrase is |
- A. 2.00
- B. 4.50
- C. 5.50
- D. 7.60
|
| 5 |
If non protein part is loosely attached to proteins it is known as. |
- A. Cofactor
- B. Co enzyme
- C. Active site
- D. Holo ezyme
|
| 6 |
An enzyme is said to be denatured when |
- A. It has no co-factor
- B. It is in a condition of low temperature
- C. Its structure is destroyed
- D. None of these
|
| 7 |
The inhibitor which may destroy the Globular structure of enzyme is. |
- A. Competitive
- B. Non competitive
- C. Reversible
- D. Irreversible
|
| 8 |
The competitive inhibitor of succinic acid is. |
- A. Fumaric acid
- B. Malonic acid
- C. Acetic acid
- D. Citric acid
|
| 9 |
Lock and key model was proposed by |
- A. Koshland
- B. Emil Fisher
- C. Watson
- D. Flemming
|
| 10 |
Co enzymes are closely related to. |
- A. Amino acids
- B. Vitamins
- C. Enzyms
- D. Non protein particles
|