MCQ
Competition is most fierce between:
- ✓Two or more closely related species in the same environment.
- BTwo or more closely related species in a different environment.
- CUnrelated species in the same environment.
- DNone of these.
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$R$ : Each restriction enzyme recognises a specific palindromic nucleotide sequence in the $DNA$.
Match the following:
| Column $- I$ | Column $- II$ |
| $(1)$ Germ pore | $(a)$ Lack of sporopollenin |
| $(2)$ Parthenium | $(b)$ Malva |
| $(3)$ Self incompatibility | $(c)$ Palms |
| $(d)$ Contaminant with important wheat |