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

What is parturition? - Biology

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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 3: Human Reproduction - NCERT EXERCISES [पृष्ठ ११७]

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नूतन Biology [English] Class 12 ISC
पाठ 3 Human Reproduction
NCERT EXERCISES | Q 18. (i) | पृष्ठ ११७

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.


Put a tick mark (✓) against the correct alternative in the following statement:

Internally, the uterus opens into:


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

Sperm duct, penis, testes, sperms, semen.


Give the appropriate term for the following: 

Monthly discharge of blood and disintegrated tissues in the human female 


 Mention the exact location of the following : 
Amniotic fluid 


Give the functions of the following:
Penis


Give Technical Term:

Which part develops during the advanced pregnancy?


Give Technical Term:

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


Complete the following sentences with appropriate word:

The female equivalent of the penis is the _______.


Hormones secreted by the ovary of the female reproductive system.


Complete the table.

Sex/Gender Reasons of infertility
Female  
Male  

Estrogen is secreted by ______


Identify the distal narrow part of the duct opening into the uterus.


Which of the following statements regarding human reproduction is INCORRECT?


Which stage is followed after the secondary follicle stage?


Identify the labels (i, ii and iii) in the given diagram of the female reproductive system.


The part of fallopian tube closest to the ovary is ______.


Egg is liberated from ovary in ______.


Cleavage in mammalian egg is ______.


Which of the following is correct about mammalian testes?


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.

Site of fertilization in human is ______


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


In rabbits, humans and other placental mammals, fertilization occurs in ______.


One mature ovum is released once every ______ days. 


Which part of the female reproductive system is paired incorrectly with its function?


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


The figure given below is the human female reproductive system. Study the same and answer the following questions.

  1. Label the guidelines 1 to 6 shown in the figure.
  2. What is the normal gestation period in human?
  3. Where are the sperms released during coitus?
  4. Write two important functions of part 2.
  5. Mention the technical term for the fixing of developing zygote to the uterine wall.

The ______ is also called the womb.


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