Dinosaurs were abundant during

Trilobites were evolved during which of the following periods?

The first amphibians that could live on both land and water evolved from:

When did agriculture and human settlement approximately begin?

Match List-$I$ with List-$II$ with respect to the chronology of the evolution of life forms:

List-$I$	List-$II$
$A$. About $65 \text{ mya}$	$I$. Jawless fish probably evolved
$B$. About $500 \text{ mya}$	$II$. The dinosaurs suddenly disappeared from the earth
$C$. About $350 \text{ mya}$	$III$. Seaweeds and few plants probably existed
$D$. About $320 \text{ mya}$	$IV$. Invertebrates were formed and became active

Choose the correct answer from the options given below:

Fish with stout and strong fins could move on land and go back to water. This was about: (in $mya$)