(A) Population
"Population" is not a Sustainable Development Goal. The 17 SDGs by the United Nations include No Poverty, Quality Education, and Reduced Inequalities, but not Population.
Source: Chapter 5, Session 2 – Check Your Progress
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The textbook's own MCQ (Session 2, Check Your Progress) lists "Population" as the option that is not an SDG, confirming option (A) is correct. The 17 SDGs focus on goals like No Poverty, Quality Education, Clean Water, Gender Equality, and Reduced Inequalities — "Population" is not among them. Remember this as a direct one-liner fact for 1-mark questions.