Question

Which of the hormones is chemically protein?

• A. Estradiol
• B. Progesterone
• C. Human chorionic gonadotropin
  
• D. oestrogen

Answer 1

The correct option is C Human chorionic gonadotropin

A. Estradiol is a steroid hormone. It is a form of oestrogen which regulates the menstrual cycle in females.

B. Progesterone is a steroid female sex hormone which is also known as pregnancy hormone. It maintains the inner lining of uterus which aids in implantation of embryo in the uterus.

C. Human chorionic gonadotropin is a glycoprotein hormone secreted by placenta. It maintains the corpus luteum during pregnancy.

D Oestrogen is a steroid hormone secreted by the ovary, responsible for ovulation and secondary sexual characters

So, the correct answer is 'Human chorionic gonadotropin'