Step 1: Understanding the Concept:
Adolescent developmental psychology emphasizes psychosocial ego identity synthesis and physical self-concept.
Step 2: Detailed Explanation:
1. Statement I: According to Robert Havighurst's developmental tasks and Erik Erikson's theory, the primary psychological milestone of adolescence is Identity Formation (establishing a coherent sense of self, vocational goals, and ideological values). Hence, Statement I is correct.
2. Statement II: Rapid pubertal somatic growth and physical changes make Body Image (subjective perception, appraisal, and emotional feelings about one's physical appearance) an integral, central component of adolescent identity. Hence, Statement II is correct.
Step 3: Final Answer:
Therefore, Both Statement I and Statement II are correct, matching option (A).