MCQ
Viruses have
- ✓$DNA$ enclosed in a protein coat
- BProkaryotic nucleus
- CSingle chromosome
- DBoth $DNA$ and $RNA$
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$\begin{array}{|l|l|} \hline A & B \\ \hline (a)\,\,Bony\,\,fish & (1)\,\,Crustaceans \\ \hline (b)\,\,Terrestrial\,\,amphibiany & (2)\,\,Ammonotelic \\ \hline (c)\,\,Land\,\,snails & (3)\,\,Ureotelic \\ \hline (d)\,\,Prawn & (4)\,\,Uricotelic \\ \hline \end{array}$