MCQ
Theory of natural selection dwells on:
- ARole of environment in evolution.
- ✓Natural selection acting on favourable variations.
- CChanges in gene complex resulting in heritable variations.
- DNone of the above.
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

$I$. They called lungs of the planet
$II$. They harbours probably millions of the species
$III$. They are largest tropical rainforest in south America and has highest biodiversity on earth
$IV$. They are beings cut and cleared for cultivating soya-beans or for the conversion to grasslands for raising beef cattle
Choose the correct option