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

What is oogenesis?

Advertisements
Advertisements

प्रश्न

What is oogenesis?

अति संक्षिप्त उत्तर
Advertisements

उत्तर

Oogenesis is the process of forming a mature female gamete (ovum). It occurs in the ovaries of the female reproductive system. Oogenesis is a discontinuous process; it begins before birth, stops mid-process, and only resumes after menarche.

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

APPEARS IN

एनसीईआरटी Biology [English] Class 12
पाठ 2 Human Reproduction
EXERCISES | Q 12. a. | पृष्ठ ४०
नूतन Biology [English] Class 12 ISC
पाठ 2 Human Reproduction
NCERT EXERCISES | Q 12. (i) | पृष्ठ ११६

संबंधित प्रश्‍न

The process of release of the ovum from a mature follicle is called ______.


The fusion of the male and the female gametes is called ______.


Define spermiogenesis.


Multiple choice question.

The given figure shows human sperm. Various parts of it are labelled as A, B, C, and D. Which labelled part represents acrosome?


At the time of birth, there are _______________ oocytes in the ovary of a female foetus.


At what stage of development are the gametes formed in newborn male and female?


Expand the acronym.

LH


Which of the following correctly describes the secondary oocyte?


Identify the proper order of spermatogenesis and choose the correct option.


Select the correct sequence of oogenesis.


Find out the CORRECT sequence of spermatogenesis.


How many autosomes does a human primary spermatocyte have?


Corona radia is made up of ______.


How many functional sperms and how many ova will be formed by a primary spermatocyte and a primary oocyte.


Preparation of sperm before penetration of ovum is ______.


The principal tail piece of human sperm shows the microtubular arrangement of ______.


At what stage of life is oogenesis initiated in a human female?


Which one is released from the ovary?


In oogenesis haploid egg is fertilised by sperm at which stage?


Growth hormone of pituitary is more effective in ______.


Which of the following cells during gametogenesis is normally diploid?


In spermatogenesis, at the end of the first meiotic division ______ are formed.


Given below are two statements.

  • Statement I: The spermatids are non-motile and non-functional which get transformed into functional spermatozoa by the process of spermiogenesis.
  • Statement II: During the process of this change, the spermatids remain held to each other and to Leydig's cells by cytoplasmic bridges.

In light of the above statements, select the correct answer from the option given below.


During spermatogenesis meiosis occurs in ______.


Explain Oogenesis with diagram.


Select a correct pair of cells with identical set of chromosomes.


During oogenesis the meiotic division is arrested at ______ before fertilization.


Complete the analogy with respect to the structure of sperm.

Nebenkern : ‘X’ : : Acrosome is formed from : ‘Y’


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×