When to use feature selection

Let's say you had finished standardizing your data and creating new features. Which of the following scenarios is NOT a good candidate for feature selection?

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Possible Answers

Several columns of running times that have been averaged into a new column.
press1
A text field that hasn't been turned into a tf/idf vector yet.
press2
A column of text that has already had a float extracted out of it.
press3
A categorial field that has been one-hot encoded.
press4
Your dataset contains columns related to whether something is a fruit or vegetable, the name of the fruit or vegetable, and the scientific name of the plant.
press5