Fertilization in Humans
Fertilization in Humans: Overview
This Topic covers sub-topics such as Coitus, Fertilization in Humans, Insemination and, Zygote Formation in Human
Important Questions on Fertilization in Humans
The human female has which of the following sex chromosome pattern?
Once a sperm fuses with an ovum, the remaining sperms cannot fertilize ovum. What changes are responsible for such phenomenon?
The sperm comes into contact with the layer of ovum to cause fertilization.
Morula divides and transforms into
Scientifically, sex of the baby is determined by
The fusion of male and female gametes is known as
Humans are _____ and _____ organisms.
All organisms start their life with
Given below are four statements pertaining to fertilization in human beings. Identify the correct statement.
I. Fertilisation can occur if the ovum and the sperms are transported simultaneously to the ampullary region of the Fallopian tube.
II. The secretion of the acrosomes helps the sperm enter the cytoplasm of the ovum.
III. The completion of the meiotic division of the secondary oocyte is induced by the entry of sperms into it.
IV. Hyaluronidase secreted by the acrosomes ensures that only one sperm can fertilise the ovum.
Match the following with correct combination.
| (a) | Hyaluronidase | (i) | acrosomal reaction |
| (b) | Corpus luteum | (ii) | Morphogenetic movements |
| (c) | Gastrulation | (iii) | Progesterone |
| (d) | Capacitation | (iv) | Mammary gland |
| (e) | Colostrum | (v) | Sperm activation |
Which of the following statement about fraternal twins is INCORRECT?
Which enzyme is involved in penetration of sperm into ovum?
The diploid number of chromosomes is restored by the process of
On fusion of egg nucleus with sperm nucleus
Survival time of sperms introduced into the vagina may be
Which one is correct with regards to fertilization?
