Question

In humans, the fertilisations takes place in
A) Uterus
B) Oviducal funnel
C) Fallopian tube
D) Vagina

Answer 1

Hint:Human fertilization is the union of a human egg and sperm. The result of this union is the production of a zygote cell or fertilized egg. So, we have to identify where this process of fertilization takes place.

Complete answer:
Option A) Uterus – is an incorrect answer because many people think that fertilization occurs in the uterus or ovaries but this is not true. However, fertilization does not occur in the uterus but connects the ovaries to the uterus. Thus, this is an incorrect answer.
Option B) Oviducal funnel – is an incorrect answer because oviducal funnel is the interior part of the oviduct. It is a wide funnel that lies near the outer border of the ovary. It is a funnel shaped structure which collects eggs as they are released by the ovary into the body cavity. Thus, fertilization does not take place in the oviducal funnel. Thus, this is the correct answer.
Option C) Fallopian tube – is the correct answer because fertilization occurs in the fallopian tube in humans. The sperms come in contact with the zona pellucida. It releases hormones which induce changes in the membrane and hydrolyses the ovum membrane. Thus, this is the correct answer.
Option D) Vagina – is an incorrect answer because a small amount of semen is deposited into the vagina when male ejaculates. Millions of sperm are in this small amount of semen, and they "swim" up from the vagina through the cervix and uterus to meet the egg in the fallopian tube. It takes only one sperm to fertilize the egg. Thus, fertilization does not take place in vagina. Thus, this is an incorrect answer.
In humans, the fertilisations take place in the fallopian tube (Option C).

Thus the correct answer is option ‘B’.

Note:A pregnancy starts with fertilization, when a woman's egg joins with a man's sperm. Fertilization usually takes place in a fallopian tube. If the fertilized egg successfully travels down the fallopian tube and implants in the uterus, an embryo starts growing. So, in humans, fertilisations take place in the fallopian tube.