Which are intimately related

In which one of the following groups are the words intimately related?

Geology and Zoology are intimately connected in :

Geology and Zoology are intimately connected in :

Geology and Zoology are intimately connected in :

Geology and Zoology are intimately connected in :

The centromere or primary constriction of the cromosome contains ring of protein that are intimately associated with a spindle fibre. These ring are called

Which one is not related to mutation