NEETBotanyPlant - Growth and Development
From which sources were zeatin and other natural cytokinins isolated?
Options
- APlant leaves and roots
- BCorn kernels and coconut milk
- CSoil and water
- DFruit juices and flowers
Correct answer
B. Corn kernels and coconut milk
Step-by-step solution
Search for natural substances with cytokinin-like activities led to the isolation of zeatin from corn-kernels and coconut milk. Cytokinins have specific effects on cytokinesis, and were discovered as kinetin (a modified form of adenine, a purine) from the autoclaved herring sperm DNA. Kinetin does not occur naturally in plants