| 1 |
Minimum energy required to start a chemical reaction is called: |
- A. Potential energy
- B. Chemical energy
- C. Activation energy
- D. All are same
|
| 2 |
The building units of enzymes are: |
- A. Fatty acids
- B. Glycerol
- C. Nucleic acid
- D. Amino acid
|
| 3 |
When an enzyme is no longer able to work, it is said to be: |
- A. Catalyzed
- B. Dead
- C. Cofactored
- D. Denatured
|
| 4 |
An enzyme, which breaks down starch is: |
- A. Protease
- B. Amylase
- C. Tripsn
- D. Lipase
|
| 5 |
Vitamin which acts as co-enzyme is: |
- A. Vitamin A
- B. Vitamin K
- C. Riboflavin
- D. All of these
|
| 6 |
To waht category of molecules do enzymes belong? |
- A. Carbohydrates
- B. Lipids
- C. Nucleic acids
- D. Proteins
|
| 7 |
Induced Fit model was proposed by: |
- A. Emil Fischer
- B. Melcher
- C. Koshland
- D. Saugeo
|
| 8 |
When we add more substrate to an already occurring enzymatic reaction and there is no increase in the rate of reaction what would you predict? |
- A. All active sites have been occupied by substrate molecules
- B. The enzyme molecules have denatured
- C. More substrate acted as inhibitor
- D. More substrate has disturbed the pH of the medium
|
| 9 |
Almost all enzymes are: |
- A. Carbohydrates
- B. Fatty acids
- C. Proteins
- D. Vitamins
|
| 10 |
To what category of molecules do enzymes belong? |
- A. Carbohydrates
- B. Lipids
- C. Nucleic acids
- D. Proteins
|
