A. Estrogen
A.
B. Progesterone
B.
C. Testosterone
C.
D. Oxytocin
D.
Correct Answer: C
সঠিক উত্তর: C
Explanation
ব্যাখ্যা
Testosterone is the primary male sex hormone, produced by the testes, which drives the development of male secondary sexual characteristics like facial hair, deep voice, and muscle development during puberty.