Advertisements
Advertisements
प्रश्न
Complete the table.
| Sex/Gender | Reasons of infertility |
| Female | |
| Male |
Advertisements
उत्तर
| Sex/Gender | Reasons of infertility |
| Female | Irregularity in menstrual cycle, difficulties in oocyte production, obstacles in the oviduct, difficulties in implantation in uterus |
| Male | Absence of sperms in the semen, slow movement of sperms, anomalies in the sperms |
APPEARS IN
संबंधित प्रश्न
How many eggs are released by a human ovary in a month? How many eggs do you think would have been released if the mother gave birth to identical twins? Would your answer change if the twins born were fraternal?
Name the function of the following:
Fimbriae
Rewrite the terms in the correct order so as to be in a logical sequence.
Sperm duct, penis, testes, sperms, semen.
The diagram alongside is the vertical section of female reproductive organs. Study the diagram and answer the questions that follow:
- Name the fully developed part of ovary containing the ovum.
- Name the organ of the female body in which the foetus develops.
- What is ovulation?
- Which two hormones are secreted by ovary?
Name the Following
A cellular sac containing maturing egg.
Name the part of the human female reproductive system where the following occurs.
Implantation
Identify the distal narrow part of the duct opening into the uterus.
The part of fallopian tube closest to the ovary is ______.
A sac shaped like an upside down pear with a thick lining and muscles in the pelvic area where a fertilized egg or zygote comes to grow into a baby is called ______.
Extra-embryonic membranes of the mammalian embryo are derived from ______.
The external genitalia of the human female is called ______.
When the foetus is growing inside the uterus it needs nutrients. Which part provides these nutrients?
Read the following and answer from given below:
During copulation, semen is released by the penis into the vegina. The motile sperms swim rapidly, fuse with the ovum in the ampullary region, resulting in fertilization. The haploid nucleus of sperm fuses with that of the ovum to form a diploid zygote.
Select the correct sequence of various physical and chemical events that take place during fertilisation.
P. Fusion of cortical granules with the plasma membrane of secondary oocyte.
Q. Formation of fertilization cone to receive sperm.
R. Release of sperm lysin from acrosome.
S. Mixing up of chromosomes of a sperm and an ovum.
Read the following and answer from given below:
During copulation, semen is released by the penis into the vegina. The motile sperms swim rapidly, fuse with the ovum in the ampullary region, resulting in fertilization. The haploid nucleus of sperm fuses with that of the ovum to form a diploid zygote.
Site of fertilization in human is ______
Match the following:
| Ovaries | Bean shape |
| Fallopian tubes | Almond shape |
| Uterus | Funnel – shape |
| Kidney | pear-shaped |
Give reason:
Uterine lining becomes thick and spongy after fertilisation.
The _____ is also called the womb.
The ______ is also called the womb.
In which region is the female reproductive system located?
After puberty, how often do the ovaries release one ovum?
