MCQ
Pineapple flowers can be obtained without season:
- ✓By ethylene/NAA
- BBy zeatin
- CBy short day
- DBy heat
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| column $-I$ | column $-II$ |
| $(A)$ Flame Cells | $(p)$ sponges |
| $(B)$ Collar Cells | $(q)$ Hydra |
| $(C)$ stinging cell | $(r)$ Planaria |
| $(s)$ Ascaris |