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

Name the function of the following: Fimbriae

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प्रश्न

Name the function of the following:

Fimbriae

अति संक्षिप्त उत्तर
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उत्तर

They are finger-like projections at the ovarian end of the fallopian tube. They help in the collection of the ovum (after ovulation), which is facilitated by the beating of the cilia.

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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 15. (e) | पृष्ठ ४०
नूतन Biology [English] Class 12 ISC
पाठ 2 Human Reproduction
NCERT EXERCISES | Q 15. (e) | पृष्ठ ११७

संबंधित प्रश्‍न

Give the appropriate term for the following: 

Monthly discharge of blood and disintegrated tissues in the human female 


Complete the following statement by choosing the correct alternative:
Female copulatory organ ______.


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?


The below diagram represents the vertical view of the human female reproductive system.

(i) Label the parts indicated by the guidelines 1 to 8.
(ii) How does the uterus prepare for the reception of a zygote?
(iii) What happens to the uterus if fertilization takes place?
(iv) What happens to the uterus if fertilization has failed to take place?


Explain the term Graffian follicle.


Multiple Choice Question:

Sterilization in the female involves cuffing and tying the


Complete the table.

Sex/Gender Reasons of infertility
Female  
Male  

The pair of thin folds present inner to the labia majora is ____________.


Primordial follicle cells undergo mitotic division to produce ______.


The birth canal is formed by ______.


Which of the following statements regarding human reproduction is INCORRECT?


During which process is the egg released from the Graafian follicle?


Bartholin’s glands are situated ______.


After birth, colostrum is released from mammary glands which is rich in ______.


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


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

For subject 2 it is observed that the peak for hormone B has reached the plateau stage. After approximately how much time will the curve for hormone B descend?


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? 


The ability to reproduce is lost in a female after ______ 


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


Anterior lobe of pituitary secretes:


______ acts as a birth canal. 


Match the following:

Ovaries Bean shape
Fallopian tubes Almond shape
Uterus Funnel – shape
Kidney pear-shaped

Given below are the structural details of a human mammary gland:

  1. The glandular tissue in the breast has 15-20 clusters. of cells called alveoli.
  2. The milk is stored in the lumen of the alveoli.
  3. The alveoli join to form the mammary ducts.
  4. Mammary ampulla is connected to lactiferous ducts.

Choose the option that gives the correct detail of the human mammary gland.


In absence of fertilization, corpus luteum degenerates into ______.


Clitoris is equivalent to the male penis.


The ______ is also called the womb.


What encloses the ovarian stroma?


Which part of the fallopian tube has a narrow lumen and connects the tube to the uterus?


How many mammary lobes does each breast have?


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