Step 1: Purpose of the National Genebank.
The National Genebank in India was established to conserve plant genetic resources, ensuring biodiversity preservation and food security for future generations.
Step 2: Establishment year.
- It was started in 1992 at the National Bureau of Plant Genetic Resources (NBPGR), New Delhi.
- Other years given are incorrect:
- 1983: Too early, before formal establishment.
- 2001: Incorrect, already functional before that.
- 2023: Clearly wrong.
Step 3: Conclusion.
The correct year is 1992.
Final Answer: \[ \boxed{\text{The National Genebank was started in 1992.}} \]
| LIST I Weed type | List II Meaning | ||
| A | Annual weed | I | They occur almost at any time of the year |
| B | Biennial weed | II | They require more than two years to complete |
| C | Perennial weed | III | They live for two seasons |
| D | Multi season weed | IV | They grow, mature within a season |
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 ?