| List I (electronic device) | List-II(Use/application) | ||
| A | Photo diode | I | Remote controls |
| B | Zener diode | II. | Amplifier |
| C | Light emitting diode | III | Voltage regulator |
| D | Transistor | IV | Photo detector |
Select the statements that are CORRECT regarding patterns of biodiversity.
Which of the following hormone is not produced by placenta ?
List - I | List - II | ||
| A | Streptokinase | I | Blood-Cholestrol lowering agents |
| B | Cyclosporin | II | Clot Buster |
| C | Statins | III | Propionibacterium sharmanii |
| D | Swiss Cheese | IV | Immuno suppressive agent |
Which of the following option determines percolation and water holding capacity of soils ?