When a human female reaches a certain age, then vaginal bleeding occurs for a few days after regular intervals of time :

(a) What is this process known as (i) in scientific terms, and (ii) in everyday language ?

(b) What is the human female said to have attained at this stage ?

(c) What does the onset of this process in human female signify ?

(d) At what particular event in the life of a human female this process stops temporarily but starts again ?

(e) What name is given to the even when this process stops permanently ?

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Solution

(a)(i) Menstruation (ii) Periods (b) Puberty (c) That the reproductive system of human female has started working (d) Beginning of pregnancy (e) Menopause

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Similar questions

When a human female reaches a certain age then vaginal bleeding occurs for a few days after regular time intervals.
(a) What is this process known as (i) in scientific terms, and (ii) in everyday language?
(b) At what approximate age this process starts in human females? What is the human female said to have attained at this stage?
(c) After how much time is this process repeated? For how many days this process usually lasts?
(d) What does the onset of this process in human females signify?
(e) At which particular event in the life of a human female this process stops temporarily but starts again?
(f) At which approximate age of human female this process stops permanently?

(a) What name is given to the onset of menstruation in human females (or girls) ? At what age does this occur ?

(b) What name is given to the permanent stoppage of menstruation in women ? At what age does this occur ?

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Q. At what stage of life is oogenesis initiated in a human female?

Q. Consider a female animal that undergoes an oogenesis process similar to that in humans. If the somatic cells of this animal have 40 chromosomes, then what should be the number of the chromosome in oogonia, primary oocyte and secondary oocyte respectively?

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