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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.

चूक किंवा बरोबर
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उत्तर

This statement is true.

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  या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?
पाठ 2: Human Reproduction - EXERCISES [पृष्ठ ४०]

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

संबंधित प्रश्‍न

Fill in the blank:

The time between fertilisation and birth is called _________.


Choose the odd one in each of the following: 

Seminiferous tubule; ovum; epididymis; sperm duct; urethra 


Give the appropriate term for the following: 

Monthly discharge of blood and disintegrated tissues in the human female 


Differentiate between: 

Prostate gland and cowper’s gland (the nature of secretion) 


Name the two types of twins.


After puberty human female shows cyclic changes in her reproductive system. Explain structural and hormonal changes in the uterus.

                                      (OR)

Give reasons :
(1) Scrotal sac serves as thermoregulator.
(2) Corpus luteum gets converted into corpus albicans in absence of fertilization.
(3) Missing of menses is the first indication of pregnancy.
(4) Surgical sterilization is a permanent method of birth control. (5) Human egg is microlecithal.


Give appropriate term of the following:
The monthly discharge of blood and disintegrated uterine tissues in human female.


Give appropriate term of the following:
The process of fusion of ovum and sperm.


Choose the correct answer:
The onset of menstruation in the female is termed __________


Given below is a diagram of the female reproductive system of a human being

(i) Name the parts numbered 1 to 6.
(ii) Normally after how many days does an ovary release an egg?
(iii) Where are the sperms released during coitus?
(iv) What do the sperms do after being released?
(v) What is the function of the organ numbered 5?
(vi) How many days does it normally take from the fertilization of the egg up to the birth of the baby?


Name the Following

The structure formed after the release of ovum from the Graffian follicle.


Write the functional activity of the following structure:

Graafian follicle


Identify the term used for isthmus.


All are associated with ovulation in human female, EXCEPT


Which part of the fallopian tube collects to ovum after ovulation?


Identify the odd one from the following.


The embryo in humans gets nutrition from the mother’s blood with the help of a special tissue called ______ 


Read the following and answer from given below:

During copulation, semen is released by the penis into the vegina. The motile sperms swim rapidly, fuse with the ovum in the ampullary region, resulting in fertilization. The haploid nucleus of sperm fuses with that of the ovum to form a diploid zygote.

In the female genital tract, sperms are made capable of fertilizing the egg. This phenomenon of sperm activation is called ______


State whether the following statement is True or False. If false, correct the statement:

In adult human females, a single mature egg is released into an oviduct every month.


Bartholin's glands are homologous to ______.


The _____ is also called the womb.


The ______ is also called the womb.


Choose the odd one out from the group of terms given below and write the category for the remaining terms:


Which combination correctly identifies the stroma zones of the ovary?


Where do alveoli store milk?


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