Question

Several hormones like hCG, hPL, placental estrogen, and progesterone are produced by the

• A. Placenta
• B. Ovary
• C. Pituitary
• D. Fallopian tube

Answer 1

The correct option is A

Placenta

The correct option is A.

Explanation of correct option:

1. Placenta secretes hormones namely- placental estrogen and progesterone, human chorionic gonadotropin(hCG) and placental lactogen(hPL).
2. Placental estrogen and progesterone are responsible for producing pregnancy changes in females.
3. hCG causes enlargement of the corpus luteum and stimulates it to secrete progesterone.
4. hPL causes stimulation of milk glands.

Explanation of incorrect options:

Option B:

1. Ovaries are a part of the female reproductive system and produce female gametes known as ova.
2. They secrete three hormones namely estrogen, progesterone, and relaxin.

Option C:

1. The pituitary gland is small and pear-shaped located at the base of the brain.
2. They secrete a variety of hormones namely- growth hormone, prolactin, TSH, FSH, LH, MSH, prolactin and ACTH.

Option D:

1. Fallopian tubes also known as oviducts extend from the periphery of each ovary to the uterus.
2. The function of the fallopian tubes is to pass the ovum from the ovary to the uterus.
3. In the upper portion of the fallopian tube fertilisation of the ovum takes place.

Final answer: Several hormones like hCG, hPL, placental estrogen, and progesterone are produced by the placenta.