Question : Select the most appropriate one-word substitution for the given group of words.

To go around an area to keep a watch

Option 1: campaign

Option 2: cruise

Option 3: patrol

Option 4: explore

Question : Select the most appropriate one-word substitution for the given group of words.

One who changes sides

Option 1: invader

Option 2: novice

Option 3: turncoat

Option 4: amateur

Question : Select the most appropriate one-word substitution for the given group of words.
One who is easily deceived

Option 1: plausible

Option 2: agreeable

Option 3: credible

Option 4: gullible

Question : Select the most appropriate one-word substitution for the given group of words.
Holding an office without receiving a pay

Option 1: charity

Option 2: honorary

Option 3: startup

Option 4: freelance

Question : Select the most appropriate one-word substitution for the given group of words.

Study of environment

Option 1: pathology

Option 2: ecology

Option 3: cosmology

Option 4: radiology

Question : Select the most appropriate one-word substitution for the given group of words.

Irresistible impulse to steal

Option 1: kleptomania

Option 2: plunder

Option 3: sabotage

Option 4: megalomania