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Which among the following is not the function of testes at puberty? formation of germ cells secretion of testosterone development of placenta secretion of estrogen

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प्रश्न

Which among the following is not the function of testes at puberty?

  1. formation of germ cells
  2. secretion of testosterone
  3. development of placenta
  4. secretion of estrogen

विकल्प

  • (i) and (ii)

  • (ii) and (iii)

  • (iii) and (iv)

  • (i) and (iv)

MCQ
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उत्तर

(iii) and (iv)

Explanation - 

Testes are the male reproductive parts in humans. These are responsible for the formation of male gametes and secretion of hormone, testosterone. Development of placenta and secretion of estrogen occurs in females. Thus, statements (iii) and (iv) are not the function of testes at puberty.

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अध्याय 8: How do Organisms Reproduce? - Multiple Choice Questions [पृष्ठ ६९]

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एनसीईआरटी एक्झांप्लर Science Exemplar Class 10
अध्याय 8 How do Organisms Reproduce?
Multiple Choice Questions | Q 25. | पृष्ठ ६९

संबंधित प्रश्न

Identify True/False statement. Correct false statement to make it true.

Presence or absence of hymen is not a reliable indicator of virginity or sexual experience.


How many eggs are released by a human ovary in a month? How many eggs do you think would have been released if the mother gave birth to identical twins? Would your answer change if the twins born were fraternal?


The diagram alongside is the vertical section of female reproductive organs. Study the diagram and answer the questions that follow: 
(i) Name the fully developed part of ovary containing the ovum.
(ii) Name the organ of the female body in which the foetus develops. 
(iii) What is ovulation? 
(iv) Which two hormones are secreted by ovary? 


Given here is a section of the female reproductive system of human beings.

Name the part where fertilisation occurs in human beings.


Name the Following

The term used when beard and mustache appear, harshening of voice, broadening of shoulders, etc. takes place.


Write the functional activity of the following structure:

Ovary


Match the parts of the given figure with the correct option.

  1 2 3 4 5
a. Fallopian tube Oviduct Uterus Cervix Vagina
b. Oviduct Cervix Vagina Ovary Vas deferens
c. Ovary Oviduct Uterus Vagina Cervix
d. Fallopian tube Ovary Cervix Uterus Vagina

Estrogen is secreted by ______


A neat labelled diagram describes the parts of a typical angiospermic ovule.


Which of the following is a permanent method of contraception in a human female?


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In 28 days human ovarian cycle, ovulation occurs on ______.


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Read the following and answer from given below:

Oogenesis is the process of the formation of an ovum in the ovaries. It consists of three phases: multiplication, growth, and maturation. Oogenesis is controlled by hormones GnRH, LH, FSH. GnRH secreted by the hypothalamus stimulates the anterior lobe of the pituitary gland to secrete LH and FSH.

Which hormone induces the rupture of the mature Graafian follicle?


What changes are observed in the uterus if fertilisation does not occur?


What changes are observed in the uterus subsequent to the implantation of a young embryo?


______ acts as a birth canal. 


Describe the female reproductive systems in humans.


Write the specific location of the following:

Uterus


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