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प्रश्न
Name the function of the following:
Sperm tail
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उत्तर
The tail is an extremely vibrating posterior section of the sperm that aids in swimming. The capacity to swim (known as motility) is required for male fertility because the sperm has to move up the vaginal canal, cervix, and cervical canal to reach the ovum.
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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?
Which part of the human body produces Ova?
In female, after how much time after fertilization, does the fertilized egg get implanted in the
uterine wall?
Rewrite the terms in the correct order so as to be in a logical sequence.
Sperm duct, penis, testes, sperms, semen.
Give appropriate term for the following:
The onset of reproductive phase in a female.
Differentiate between Identical twins and fraternal twins.
Choose the correct answer:
The onset of menstruation in the female is termed __________
Define the following:
Parturition
Name the Following
The structure formed after the release of ovum from the Graffian follicle.
Give Technical Term:
Which part develops during the advanced pregnancy?
Give Technical Term:
What term is used for the arrest of reproductive capacity in females?
Observe the diagram and answer the following questions.
- Label the indicated parts 1, 2 and 3 in the diagram.
- Where the fertilization of ovum occurs?
- Where does the embryo get implanted after fertilization?
Name the part of the human female reproductive system where the following occurs.
Implantation
The stalk of the ovule is called a pedicle.
______ pollen mother cells should undergo meiotic division to produce 64 pollen grains.
The development of lactiferous tubules during pregnancy is dependent on ____________.
After birth, colostrum is released from mammary glands which is rich in ______.
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.
In the female genital tract, sperms are made capable of fertilizing the egg. This phenomenon of sperm activation is called ______
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.
In the given Figure label the parts and mention their functions
- Production of egg
- Site of fertilisation
- Site of implantation
- Entry of the sperms
Anterior lobe of pituitary secretes:
______ receives the sperms and acts as a birth canal during childbirth.
______ is not a part of the female reproductive system in human beings.
Give reason:
Uterine lining becomes thick and spongy after fertilisation.
In absence of fertilization, corpus luteum degenerates into ______.
The ______ is also called the womb.
The ______ is also called the womb.
Which part of the fallopian tube has a narrow lumen and connects the tube to the uterus?
What are the clusters of milk-secreting cells within mammary lobes called?
