To solve this problem, we need to identify the correct statement about inhibin. Let's analyze each option:$\newline \bullet$Option 1: Inhibits the secretion of LH, FSH, and Prolactin$\newline$ - Inhibin specifically inhibits the secretion of FSH (Follicle Stimulating Hormone) and does not inhibit LH (Luteinizing Hormone) or Prolactin.$\newline$ - Therefore, this statement is incorrect.$\newline \bullet$Option 2: Is produced by granulosa cells in ovary and inhibits the secretion of FSH$\newline$ - Inhibin is indeed produced by granulosa cells in the ovary.$\newline$ - Its primary function is to inhibit the secretion of FSH.$\newline$ - Therefore, this statement is correct.$\newline \bullet$Option 3: Is produced by granulosa cells in ovary and inhibits the secretion of LH$\newline$ - While inhibin is produced by granulosa cells, it does not inhibit LH secretion.$\newline$ - Therefore, this statement is incorrect.$\newline \bullet$Option 4: Is produced by nurse cells in testes and inhibits the secretion of LH$\newline$ - Inhibin is produced by Sertoli cells (nurse cells) in the testes, but it inhibits FSH, not LH.$\newline$ - Therefore, this statement is incorrect.$\newline$Based on the analysis, the correct statement is:$\newline$Option 2: Is produced by granulosa cells in ovary and inhibits the secretion of FSH$\newline$This corresponds to the correct option, which is Option 2.