Statement : A mass mortality of shrimps in ponds on entire Andhra coast has recently been reported due to the presence of a virus. Courses of Action : I. The water of the ponds affected should immediately be treated for identifying the nature of the virus. II. The catching of shrimps from the ponds should temporarily be stopped. III. The fishermen should be asked to watch for the onset of such phenomenon in nature.

Only I follows
Only I and II follow
All follow
Only II and III follow E. None of these

The correct answer is: Only I and II follow.

Explanation:

The statement says that a mass mortality of shrimps in ponds on entire Andhra coast has recently been reported due to the presence of a virus. This means that the virus is already present in the water of the ponds. Treating the water of the ponds will help to kill the virus and prevent it from spreading to other shrimps. Stopping the catching of shrimps from the ponds will also help to prevent the spread of the virus. However, there is no need to ask the fishermen to watch for the onset of such phenomenon in nature, as the phenomenon has already occurred.

Option I: The water of the ponds affected should immediately be treated for identifying the nature of the virus.

This is a correct course of action because it will help to kill the virus and prevent it from spreading to other shrimps.

Option II: The catching of shrimps from the ponds should temporarily be stopped.

This is also a correct course of action because it will help to prevent the spread of the virus.

Option III: The fishermen should be asked to watch for the onset of such phenomenon in nature.

This is not a correct course of action because the phenomenon has already occurred.

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