Statement and Argument

Directions: In the question below, a question statement is followed by two arguments numbered I and II. You have to decide which of the given arguments is/are ‘strong'.

Question: Should all those be quarantined in their house who have come in contact with the patients suffering from the dreaded infectious respiratory disease?
Arguments:
I. No, nobody should be quarantined unless he/she is tested and found to be infected by the virus causing the disease.
II. Yes, this is the only way to control the spread of the dreaded disease.