The ultimate test is transfer. Take an IELTS Writing Task 2 prompt or a TOEFL integrated essay. Forbid yourself from using general vocabulary (e.g., ban the word "good" and "bad"). Force yourself to use the vocabulary from the book ( beneficial, detrimental, advantageous, adverse ). You will see immediate improvement in your band score.
Forget rote memorization of word lists. Every exercise places vocabulary into real academic contexts: abstracts of research papers, excerpts from textbook chapters, and transcripts of seminar discussions. You learn how the word behaves in a sentence, including typical collocations (e.g., reach a conclusion , not arrive to a conclusion ). Oxford Academic Vocabulary Practice Upper Intermediate B2