- ARoot tips
- BCambium
- ✓Anther ($PMC$)
- DPollen grains
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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
Choose the correct option for $A, B$ and $C$

$(i)$ Classification is providing standardized names to organisms such that a particular organism known by the same all over the world.
$(ii)$ Taxonomy is the correct description of an organism and to recognition in its scientific name.
$(iii)$ The system of naming with two components (binomial nomenclature) is proposed by Carolus Linneaus.
$(iv)$ Zoological names are based on International Code for Zoological Nomenclature $(ICZN)$.
$I.$ Gene therapy is a genetic engineering technique used to treat diseases at molecular level.
$II.$ Calcitonin is medically useful recombinant product in the treatment of infertility.
$III.$ Bt toxin is a biodegradable insecticide obtained from Bacillus thuringiensis.