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प्रश्न
Name the cells that secrete Testosterone
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उत्तर
Leydig cells secrete testosterone.
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संबंधित प्रश्न
Write the functions of the following organs of reproduction:
a. Ovaries
b. Seminal vesicle and prostate glands
What are the different methods of contraception?
Give biological explanations for All the food chains begin with green plants.
What are the male sex cells in humans called?
Mention two functions of human testes.
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?
Diagram shows the reproductive system of female human beings:
(i) Name the parts numbered 1 to 14.
(ii) Normally, after how many days does an ovary release an egg?
(iii) Where are the sperms released during coitus?
(iv) What is the role of sperms after their ejaculation in vagina?
(v) What is the function of the organ numbered 5?
(vi) What is the gestation period in human?
Choose the Odd One Out:
The following is the illustration of the sequence of ovarian events (a-i) in a human female.
Write the difference between C and H.
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.
