Final answer:
Mr. Darcy identifies prejudice as the natural defect in Elizabeth Bennet's character in Jane Austen's 'Pride and Prejudice.'
Step-by-step explanation:
In Jane Austen's "Pride and Prejudice," Mr. Darcy finds the natural defect in Elizabeth Bennet's character to be prejudice. He suggests that despite a good education, every person has a tendency towards a particular failing that they cannot overcome. In Elizabeth's case, her prejudicial judgments towards others, including Darcy himself, are highlighted as her significant flaw. Austen is known for her exploration of character and societal norms, including how prejudice can affect interpersonal relationships.