Final answer:
Okonkwo and Ikemefuna were not close friends. Okonkwo treated Ikemefuna as his own son, but they did not have a close friendship.
Step-by-step explanation:
Out of the given options, the statement that is not true regarding Okonkwo and Ikemefuna is: 1) Okonkwo and Ikemefuna were close friends.
Okonkwo and Ikemefuna were not close friends. Rather, Ikemefuna was a young boy who was taken as a hostage by Okonkwo's village as a result of a peace agreement. Okonkwo treated Ikemefuna as his own son and even grew fond of him, but they did not have a close friendship.
Therefore, option 1) is the correct answer as it is not true regarding Okonkwo and Ikemefuna.