Question

1. Identify ‘P’ and ‘Q’ labelled in the above diagram.
2. Write down the role of hormone ‘P’ in both males and females.

Answer 1

1. P: Luteinising Hormone (LH)
   Q: Follicle Stimulating  Hormone (FSH)
2. Role of P (LH) in females: LH promotes the development of the corpus luteum and initiates ovulation.
   Role of P (LH) in males: Spermatogenesis depends on the production of testosterone by the Leydig cells in the testes, which is stimulated by LH.