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

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.

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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.

सत्य या असत्य
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उत्तर

This statement is true.

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अध्याय 2: Human Reproduction - EXERCISES [पृष्ठ ४०]

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एनसीईआरटी Biology [English] Class 12
अध्याय 2 Human Reproduction
EXERCISES | Q 16. (g) | पृष्ठ ४०
नूतन Biology [English] Class 12 ISC
अध्याय 2 Human Reproduction
NCERT EXERCISES | Q 16. (g) | पृष्ठ ११७

संबंधित प्रश्न

 Why does menstruation occur?


Describe the human female reproductive system with a labelled diagram.


 Mention the exact location of the following : 
Amniotic fluid 


Name the following:
The part of the female reproductive system in which fertilization occurs.


Give the functions of the following:
Penis


Explain the term Tubectomy.


Name the Following

A cellular sac containing maturing egg.


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

The implantation of the embryo occurs at about ______ days of fertilization.


Name the part of the human female reproductive system where the following occurs.

Implantation


______ pollen mother cells should undergo meiotic division to produce 64 pollen grains.


Which one the following is a part of external genitalia of a female human being?


Identify the odd one from the following.


The estrus cycle is a characteristic of ______.


In oocyte secondary maturation occurs in ______.


Bartholin’s glands are situated ______.


The opening of the vagina is often covered partially by a membrane called ______.


Mark the odd one.


To answer the question, study the graphs below for Subjects 1 and 2 showing different levels of certain hormones.

 

Which of the following statements is true about the subjects? 


What marks the beginning of the reproductive life of a woman?


Tubectomy is carried out by blocking the ______ 


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?


In human females, an event that reflects onset of reproductive phase is


What are various ways to avoid pregnancy? Elaborate any one method.


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


Draw a neat diagram of the female reproductive system and label the parts associated with the following:

(a) production of gamete

(b) site of fertilisation

(c) site of implantation

(d) birth canal


Give reason:

Uterine lining becomes thick and spongy after fertilisation.


In absence of fertilization, corpus luteum degenerates into ______.


The _____ is also called the womb.


Median vertical depression of external genitalia in females, enclosing the urethral and vaginal opening is ______.


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