Which of the following is NOT important for successful beekeeping?
Knowledge of the nature and habits of bees
Selection of a suitable location for keeping the beehives
The use of pesticides to protect the bees
Catching and hiving of swarms
The use of pesticides is not important for successful beekeeping. In fact, the use of pesticides can be harmful to bees and can lead to the decline of bee populations. Therefore, option C is the correct answer.