According to the story, Okonkwo was trying to avoid the “effeminate” personality of his father. He refuses to follow his father's path and decides to maintain masculine ideas. For this reason, he sees his father as a coward, gentle and libertine. Nwoye, his son, identifies better with his grandfather's characteristics, hence the attitude of Okonkwo towards him.
Photosynthesis is a process used by plants and other organisms to convert light energy into chemical energy that, through cellular respiration, can later be released to fuel the organism's activities.