| 1 |
Beriberi can be produced by the lack of ......... . |
- A. Vitamin A
- B. Vitamin B
- C. Vitamin BI
- D. Vitamin C
|
| 2 |
Almost all enzymes are: |
- A. Carbohydrates
- B. Fatty acids
- C. Proteins
- D. Vitamins
|
| 3 |
There are about ............. to ........ enzymes in cell. |
- A. 1000-2000
- B. 1000-2050
- C. 2000-6000
- D. 2000-3000
|
| 4 |
Activation energy is required to: |
- A. Activation enzyme
- B. Start a reaction
- C. Speed up a reaction
- D. None
|
| 5 |
Number of discovered enzymes are: |
- A. 200
- B. 2000
- C. 3000
- D. 3500
|
| 6 |
The substance on which an enzyme act is called: |
- A. Cofactor
- B. Inhabitor
- C. Coenzyme
- D. Substrate
|
| 7 |
Lock and key model was proposed by ................. . |
- A. Emil Fisher
- B. Koshland
- C. Freitz London
- D. None
|
| 8 |
metabolism is the some of the ................. proesses. |
- A. Chemical
- B. Physical
- C. Both
- D. None
|
| 9 |
What is the effect of change in pH? |
- A. Digradation of amino acids at active sites
- B. Ionization of amino acids at active sites
- C. Formation of new amino acids at active sites
- D. All of these
|
| 10 |
Which of the following characters is not true about enzymes? |
- A. Globular in shape
- B. Non-specific
- C. Protein in nature
- D. Highly reactive
|
