MCQ
Which of the following does not require carrier molecules during transport through cell membranes
- ✓Simple diffusion
- BFacilitated diffusion
- C$Na^+$-$K^+$ transport
- DActive transport of sugars and amino acids
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| Column - $I$ | Column - $II$ |
| $(a)$ Herbivores-Plants | $(i)$ Commensalism |
| $(b)$ Mycorrhiza-Plants | $(ii)$ Mutualism |
| $(c)$ Sheep-Cattle | $(iii)$ Predation |
| $(d)$ Orchid-Tree | $(iv)$ Competition |
Select the correct option from following
