Find the odd-one out ?

In following questions select the one which is different from other three responses.

In the following question, select the odd number from the given alternatives.

In the following question, select the one which is different from the other three response.

Choose the one which is different or odd form the following.

In each of the following questions, certain pairs of words are given, out of which the words in all pairs excepts one, bear a certain common relationship. Choose the pair in which the words are differently related?

‘Link’ is related to ‘Chain’ in the same way as ‘Bead’ is related to ‘____’.

Find the odd word in the following options.