During which geological period did the dinosaurs originate?

Ancestors of mammals belong to which group?

The mammals evolved from the reptiles in the:

The origin of seeds in land plants was achieved about $345 \; \text{million}$ years ago, in lineages recognized as ancestral to all more advanced vascular plants in:

Mammals evolved from therapsid reptiles in the $Triassic$ period. The type of skull in these reptiles is

Match the following geological eras in Column $A$ with their respective time periods in Column $B$ and key evolutionary events in Column $C$. Which of the following is the correct match?

Column $A$	Column $B$ and $C$
$i$. Cenozoic	$2-65 \ \text{mya}$,Origin of vertebrates
$ii$. Palaeozoic	$500-165 \ \text{mya}$,Rise of egg-laying mammals
$iii$. Mesozoic	$135-225 \ \text{mya}$,Reptiles dominant
$iv$. Proterozoic	$350-500 \ \text{mya}$,Trilobites dominant