MCQ
All the cytokinins are
- AAcidic
- ✓Aminopurines
- CPhenol
- DGlucosides
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| a. | Pineal | i. | Epinephrine |
| b. | Thyroid | ii. | Melatonin |
| c. | Ovary | iii. | Estrogen |
| d. | Adrenal medulla | iv. | Tetraiodothyronine |
Reason : Oxygen started accumulating in the atmosphere after the non-cyclic pathway of photosynthesis evolved.