MCQ
Axis vertebra of a mammal differs from atlas in
- AAbsence of centrum
- BPresence of centrum
- CPresence of central canal
- ✓Presence of odontoid process
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
| Column - $I$ | Column - $II$ |
| $(a)$ Pleiotropic gene | $(i)$ Both allele express equally |
| $(b)$ Co-dominance | $(ii)$ Change in nucleotide |
| $(c)$ Epistasis | $(iii)$ One gene shows multiple phenotypic expression |
| $(d)$ Mutation | $(iv)$ Rust disease |

Reason : Leguminous plants have Rhizobium in their root nodules.
$\begin{array}{|l|l|} \hline Column\,\,-\,\,I & Column\,\,-\,\,II \\ \hline (a)\,\,Trygon & (i)\,\,Echinodermata \\ \hline (b)\,\,Ascidia & (ii)\,\,Viviparous \\ \hline (c)\,\,Asterias & (iii)\,\,Chondrichthyes \\ \hline (d)\,\,Kangaroo & (iv)\,\,Oviparous \\ \hline (e)\,\,Penguin & (v)\,\,Urochordata \\ \hline \end{array}$