Question

All sex hormone can work without the help of
A. Gonadotropin
B. Placenta
C. Pituitary
D. Insulin

Answer 1

The steroid hormones which takes part in the regulation of sex organ and necessary for reproduction is called sex hormones. Sex hormones involve estrogens, progesterone, and androgens. Apart from the maintenance of reproductive activity, sex hormones also regulate sleep, growth of the body.

Complete answer:

Gonadotrophs or anterior pituitary cell secretes gonadotropin. Gonadotropin involves luteinizing hormone or LH and follicular stimulating hormone. Both LH and follicle stimulating hormones are responsible for the stimulation of gonads (male/ female). That’s why these hormones are called gonadotropin.
During pregnancy, the uterus generates a tubular structure that joins the baby with its mother and supplies food and oxygen to the baby from the mother’s body is called the placenta. Placenta produces progesterone and Estrogen which maintains the lining of the uterus during the pregnancy.
The pituitary gland is also called the master gland. The anterior pituitary gland secretes gonadotropin that takes part in reproduction and sex organ development.
Insulin is responsible for maintaining the blood sugar level. It is secreted from the beta cells of pancreatic islets. Insulin is a peptide anabolic hormone.

Note:
There are three types of sex hormones that are found in humans. These are androgen, progesterone, and estrogen. Androgen involves testosterone which is important for both male and female body development. During the luteal phase of the menstrual cycle, progesterone is released which prepares the uterus lining for the upcoming pregnancy. Estrogen helps to develop sex organs (mammary gland development), sexual characteristics (pubic hair growth) in the female.