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कर्नाटक बोर्ड पी.यू.सी.पीयूसी विज्ञान 2nd PUC Class 12

What is parturition?

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प्रश्न

What is parturition?

अति संक्षिप्त उत्तर
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उत्तर

Parturition is the process of childbirth, which occurs when the development of the foetus is complete in the mother’s womb.

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पाठ 2: Human Reproduction - EXERCISES [पृष्ठ ४०]

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एनसीईआरटी Biology [English] Class 12
पाठ 2 Human Reproduction
EXERCISES | Q 18. a | पृष्ठ ४०
नूतन Biology [English] Class 12 ISC
पाठ 2 Human Reproduction
NCERT EXERCISES | Q 18. (i) | पृष्ठ ११७

संबंधित प्रश्‍न

Name the function of the following:

Sperm tail


Fill in the blank:

The time between fertilisation and birth is called _________.


Rewrite the terms in the correct order so as to be in a logical sequence.

Sperm duct, penis, testes, sperms, semen.


Rewrite the terms in the correct order so as to be in a logical sequence. 

Puberty, menopause, menstruals, menarche, reproductive age. 


Rewrite the terms in the correct order so as to be in a logical sequence. 

Graafian follicle, ostium, uterus, fallopian tube.

 


Give the appropriate term for the following: 

Monthly discharge of blood and disintegrated tissues in the human female 


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.


Give the names.

Hormones secreted by the ovary of the female reproductive system.


Modern techniques like surrogate mother, sperm bank and IVF technique will help the human beings. Justify this statement. 


Name the following:
The separation of the foetus from the mother's body.


Give Technical Term:

What term is used for the arrest of reproductive capacity in females?


Complete the following sentences with appropriate word:

A hormone secreted in a female to facilitate parturition is ________.


State the Location:

Ovary


Hormones secreted by the ovary of the female reproductive system.


State names of organs in the female reproductive system.


Development of mammary glands is controlled by ____________.


Penis is homologous to ____________.


The development of lactiferous tubules during pregnancy is dependent on ____________.


Where does the ovum receive the sperm?


Bartholin’s glands are situated ______.


How does fertilisation take place? Fertilisation occurs once in a month. Comment.


In human beings, the correct sequence of events during reproduction is


Anterior lobe of pituitary secretes:


What are the functions of the ovaries and uterus in the female reproductive system?


The vaginal orifice is covered by a fold of membrane called hymen ______.


Given below is a certain situation. Analyze and describe its possible impact on a person:

Egg is not fertilised in a human female.


Given below is a certain situation. Analyze and describe its possible impact on a person:

Placenta does not attach to the uterus optimally.


Given below is a group of terms. In the group, one pair indicates the relationship between the two terms. Rewrite and complete the second pair on a similar basis.

Leydig cells : Testosterone : ______ : Oestrogen.


At what age does puberty begin in females?


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