MCQ
The soil organisms are
- AHarmful to the plants growing in the soil
- BUseful to plants growing in the soil
- CNeither harmful nor useful to plants growing in the soil
- ✓Both harmful as well as useful to plants growing in the soil
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$I.$ a membrane,
$II$ proton pump,
$III$ proton gradient
| Column$-I$ | Column$-II$ |
| $(a). Br$ | $(i)$ Corolla |
| $(b). K$ | $(ii)$ Perianth |
| $(c). C$ | $(iii)$ Calyx |
| $(d). P$ | $(iv)$ Bracteate |