Enzymes work at optimum temperature. Over a range of 0 to 400C, what would happen to the rate of enzyme controlled reactions for every 100C rise in temperature?
| 1. | The rate doubles itself |
| 2. | Decreases by half |
| 3. | No effect |
| 4. | First increases then decreases |
Which of the following is true?
| 1. | Inorganic catalyst work efficiently at high temperatures and high pressures |
| 2. | Generally, enzymes get damaged at high temperatures |
| 3. | Thermostable enzymes retain their catalytic power even at high temperatures. |
| 4. | All of these |
Which of the following is correct?
1.Physical change refers to change in shape without breaking the bonds
2.Change in state of matter also takes place in physical change
3.Chemical change involves breaking of old bonds and formation of new ones.
4.All of these
Which of the following is true?
| 1. | Inorganic catalyst work efficiently at high temperatures and high pressures |
| 2. | Generally, enzymes get damaged at high temperatures |
| 3. | Thermostable enzymes retain their catalytic power even at high temperatures. |
| 4. | All of these |
Which of the following is incorrect?
| 1. | Enzymatic activity is maximum at its optimim pH and temperature. |
| 2. | Enzymatic activity declines both below and above the optimum value. |
| 3. | Low temperatures destroys enzymatic activity |
| 4. | High temperatures destroys enzymatic activity |