MCQ
The term hormone was first introduced by :
- AGobind khorana
- ✓Baylers and Starling
- CJames waston
- DGiulio natta
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| Colour of Ray A | Colour of Ray B | |
| A. | Blue | Red |
| B. | Green | Yellow |
| C. | Red | Violet |
| D. | Violet | Indigo |