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प्रश्न
Name the following:
Organ where implantation takes place.
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उत्तर
Uterus
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संबंधित प्रश्न
What are the changes seen in girls at the time of puberty?
Give appropriate biological/technical terms for the following:
The kind of twins formed from two fertilized eggs.
Given below are diagrams showing the different stages in the process of fertilisation of an egg. in the human female reproductive tract.
Study the diagrams and answer the questions:
1) Arrange the letters given below each diagram in a logical sequence to show the correct order in the process of fertilisation.
2) Where does fertilisation normally take place? and What is ‘Implantation’ that follows fertilisation?
3) Mention the chromosome number of the egg and zygote in humans.
4) Explain the term ‘Gestation’. How long does Gestation last in humans?
5) Draw a neat, labelled diagram of a mature human sperm.
What is the role of seminal vesicles and prostrate gland in human male reproductive system?
Name the organs which produce ova (or egg cells) in human females.
Explain why, fertilisation is possible if mating takes place during the middle of menstrual cycle.
The ratio of the number of chromosomes in a human zygote and a human sperm is ______
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? When is the human female said to have attained at this stage?
(c) After how much time is this process repeated? For how many days does this process usually last?
(d) What does the onset of this process in human females signify?
(e) At which particular event in the life of a human female does this process stop temporarily but start again?
(f) At which approximate age of human female does this process stop permanently?
State whether the following statement is true or false:
Oviducts and fallopian tubes are one and the same thing.
Arrange and rewrite the terms in the group in the correct order to be in a logical sequence beginning with the term that is underlined:
Testis, Urethra, Sperm duct, epididymis.
