Identify the correct sequence of events from the following.
i. GnRH is produced in the brain
ii. It then moves to the pituitary gland situated just below the brain
iii. The pituitary gland releases LH and FSH into the bloodstream
iv. LH and FSH make gonads to secrete other hormones
v. These other hormones in males and females give rise to the changes observed at puberty

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Solution

The correct option is A
i-ii-iii-iv-v

The Gonadotropin releasing Hormone (GnRH) is first produced in the brain which then moves to the pituitary gland situated just below the brain. It stimulates the pituitary gland which then releases the Luteinizing hormone (LH) and Follicle stimulating hormone (FSH) into the bloodstream. The LH and FSH help in developing the sexual characteristics and changes in the body during puberty.

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Similar questions

Q. Identify the correct sequence of events from the following.
i. GnRH is produced in the brain
ii. It then moves to the pituitary gland situated just below the brain
iii. The pituitary gland releases LH and FSH into the bloodstream
iv. LH and FSH make gonads to secrete other hormones
v. These other hormones in males and females give rise to the changes observed at puberty

Q. Identify the correct sequence of events from the following.
i. GnRH is produced in the brain.
ii. It then moves to the pituitary gland situated just below the brain.
iii. The pituitary gland releases LH and FSH into the bloodstream.
iv. LH and FSH make gonads to secrete other hormones.
v. These hormones in males and females give rise to the changes observed at puberty.

Q. Testosterone is a steroid hormone produced by all vertebrate animals and, in humans and other mammals, it is secreted in large amounts by the testes of males and to a much lesser extent, the ovaries of females. In adult males, testosterone plays a key role in the development of reproductive organs and it promotes the secondary sexual characteristics of body and facial hair, increased muscle and bone mass, and a deep voice. Testosterone, like all hormones, works via long distance signaling and is regulated by other hormones as illustrated below:

Figure 1:

Testosterone regulation by cooperation between the hypothalamus, pituitary, and testicular endocrine glands. The major regulatory hormones involved are luteinizing hormone (LH), follicle-stimulating hormone (FSH) and gonadotropin-releasing hormone (GnRH).

When testosterone levels are low, gonadotropin-releasing hormone (GnRH) is released by the hypothalamus, which in turn stimulates the pituitary gland to release FSH and LH. FSH and LH then stimulate the testis to produce testosterone.
How is homeostasis achieved when testosterone levels begin to rise?

Q. Very short answer type.
Which hormones inhibit secretion of FSH and LH by the anterior pituitary gland?

Gonadotropin releasing hormone (GnRH) is produced in the brain and released by the pituitary gland.

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