Advertisements
Advertisements
प्रश्न
Name the function of the following:
Sperm tail
Advertisements
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.
APPEARS IN
संबंधित प्रश्न
Put a tick mark (✓) against the correct alternative in the following statement:
Internally, the uterus opens into:
Describe the human female reproductive system with a labelled diagram.
Fill in the blank:
The time between fertilisation and birth is called _________.
Choose the odd one in each of the following:
Ovary; fallopian tube; ureter; uterus
Rewrite the terms in the correct order so as to be in a logical sequence.
Puberty, menopause, menstruals, menarche, reproductive age.
Rewrite the terms in the correct order so as to be in a logical sequence.
Graafian follicle, ostium, uterus, fallopian tube.
Differentiate between Identical twins and fraternal twins.
Give the names.
Hormones secreted by the ovary of the female reproductive system.
Name the Following
The hormone that stimulates the contraction of the uterus during childbirth.
Write the functional activity of the following structure:
Ovary
The _______ is also called the womb.
Which of the following is not a part of female reproductive system?
The largest cell in the human body of a female is ______.
All are internal genitalia in females. EXCEPT ______.
How many lobes are generally present in each mammary gland?
Which of the following is correct about mammalian testes?
The finger-like projections, called fimbriae, help in the collection of ovum into the fallopian tube following ovulation.
Fertilization occurs in human females when the sperms and ovum reach simultaneously at ______
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 ______
How does fertilisation take place? Fertilisation occurs once in a month. Comment.
State whether the following statement is True or False. If false, correct the statement:
In adult human females, a single mature egg is released into an oviduct every month.
Given below is a certain situation. Analyze and describe its possible impact on a person:
Placenta does not attach to the uterus optimally.
List two roles of the Oviduct in the human reproductive system.
Rewrite the terms in the correct order so as to be in a logical sequence.
Graafian follicle, ostium, uterus, fallopian tube, ovum.
Given below is a group of terms. In the group, one pair indicates the relationship between the two terms. Rewrite and complete the second pair on a similar basis.
Leydig cells : Testosterone : ______ : Oestrogen.
Statement I: The presence or absence of hymen is not a reliable indicator of virginity.
Statement II: The hymen is torn during the first coitus only.
In the light of the above statements, choose the correct answer from the options given below:
Which part of the fallopian tube is closest to the ovary and has finger-like fimbriae at its edges?
Which part of the fallopian tube is the wider, curved middle section and the site of fertilisation?
What is the major role of the uterus in relation to the embryo?
