MCQ
Gravel method of hydroponics is called as:
- ASolid medium culture
- ✓Hydroculture
- CNutriculture
- DNone of these
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| Column $I$ | Column $II$ |
| $a.$ Auxin | $(i)$ Root hair formation |
| $b.$ Cytokinin | $(ii)$ Seed development |
| $c.$ Ethylene | $(iii)$ Xylem differentiation |
| $d.$ $ABA$ | $(iv)$ Nutrient mobilisation |
$\begin{array}{|l|l|} \hline Col\,\,A & Col\,\,B \\ \hline 1.\,\,Species & P.\,\,Solanum \\ \hline 2.\,\,Genus & Q.\,\,Leo \\ \hline 3.\,\,Family & R.\,\,Polymoniales \\ \hline 4.\,\,Order & S.\,\,Felidae \\ \hline \end{array}$