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Question
What is hymne?
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Solution
Hymen is a thin membrane which partially covers the opening of the vagina in young females.
RELATED QUESTIONS
Draw a diagrammatic sectional view of the female reproductive system of human and label the parts
(i) where the secondary oocytes develop
(ii) which helps in collection of ovum after ovulation
(iii) where fertilization occurs
(iv) where implantation of embryo occurs.
Complete the paragraph with the help of words given in the bracket.
(Luteinizing hormone, endometrium of uterus, follicle stimulating hormone, estrogen, progesterone, corpus luteum)
Growth of follicles present in the ovary occurs under the effect of ______. This follicle secretes estrogen. ______ grows/regenerates under the effect of estrogen. Under the effect of ______, fully grown up follicle bursts, ovulation occurs and ______ is formed from remaining part of follicle. It secrets ______ and ______. Under the effect of these hormones, glands of ______ are activated and it becomes ready for implantation.
Complete the following statement by choosing the correct alternative:
Female copulatory organ ______.
Name the Following
A cellular sac containing maturing egg.
The pair of thin folds present inner to the labia majora is ____________.
Which of the following is a permanent method of contraception in a human female?
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.
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.
What is the signifacance of fertilisation?
Which statement correctly describes the basic composition of each breast?
