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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

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

 

Label the parts indicated by the guidelines 1 to 8.


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


Draw a sectional view of the human ovary. Label the following parts :

(i) Primary Follicle
(ii) Secondary oocyte
(iii) Graafian follicle
(iv) Corpus luteum

Give Reasons

Most often only one embryo is formed at a time although there are two ovaries in women. Explain.


Name the Following

The age or period when the reproductive organs become fully operational.


Name the Following

The term used for the mature follicles.


Write the functional activity of the following structure:

Fallopian tubes


What is true of gametes?


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

Fertilization


What is the other term used for fallopian tube?


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


The birth canal is formed by ______.


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


How many lobes are generally present in each mammary gland?


Which of the following is/are included in the external genitalia of the female reproductive system?


Which of the following is ectodermal in origin?

(i) Heart
(ii) Sweat glands
(iii) Adrenal medulla
(iv) Middle ear
(v) Urinary bladder
(vi) Dermis of skin

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


Lower narrow end of uterus is called ______.


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.

Identify the functions of LH.

  1. Release of a secondary oocyte from Graafian follicle.
  2. Stimulates corpus luteum to secrete progesterone.
  3. Stimulates estrogen formation.
  4. Promotes development of egg to form secondary oocyte.

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


Mother gives birth to a baby but the baby has characters of both parents. How is this possible?


Capacitation occurs in:


Which is a pear-shaped muscular organ in females? 


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


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

Sperm duct, coitus, sperm, vagina, urethra.


The ______ is also called the womb.


Which of the following is not a component of Fallopian tube?


Which steroid/ovarian hormones are produced by the ovaries?


Which uterine layer is the external thin membranous protective outer covering?


After puberty, how often do the ovaries release one ovum?


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