Radiation dose is defined as the:

Select the option that can be used as a one-word substitute for the given group of words.

To walk aimlessly

Select the option that can be used as a one-word-substitute for the given group of words.

After new evidence was presented in court, the man who had been wrongly accused of the crime was finally exonerated and released from prison.

Select the most appropriate option to substitute the highlighted segment. If no substitution is required select 'No substitution'.

Give a single word that substitutes for the following expression:

A government ruled by a single person with absolute power

The loop of rope with a running knot used to hang a person.

Choose an option, which can be substituted for a given word/sentence/phrase out of given options.

 A person who is afraid of water

Directions: in each of the following questions, choose the correct alternative which can be substituted for the below given word/ phrase of words.