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प्रश्न
The process of release of the ovum from a mature follicle is called ______.
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उत्तर
The process of release of the ovum from a mature follicle is called ovulation.
Explanation:
The secondary oocyte forms a new membrane called the zona pellucida surrounding it. The Graafian follicle now ruptures to release the secondary oocyte (ovum) from the ovary, a process called ovulation.
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संबंधित प्रश्न
Draw a diagram of the microscopic structure of human sperm. Label the following parts in it and write their functions:
- Acrosome
- Nucleus
- Middle piece
Explain the development of a secondary oocyte (ovum) in a human female from the embryonic stage upto its ovulation. Name the hormones involved in this process.
Name the functions - Acrosome of sperm.
Fill in the blank.
Implantation of embryo occurs in ------
Fill in the blank.
---------- type of reproduction occurs without fusion of gametes.
Answer the following type of question Assertion (A) and Reason (R).
(A) - In human males, testes are extra-abdominal and lie in scrotal sacs.
(R) - Scrotum acts as a thermoregulator and keeps the temperature lower by 2°C for normal sperm production.
Give a schematic representation of spermatogenesis and oogenesis in humans.
Which of the following correctly describes the secondary oocyte?
500 spermatozoa are formed from ____________ secondary spermatocytes.
Identify the longest period of menstrual cycle.
In human beings, the largest cell formed during Oogenesis is ______
How many autosomes does a human primary spermatocyte have?
Acrosome reaction in sperm is triggered by ______.
Which of the following stage of oogenesis forms a membrane called zona pellucida surrounding it?
The immature male germ cell undergo division to produce sperms by the process of spermatogenesis.
Choose the correct one with reference to the above.
During embryonic development, the establishment of polarity along anterior/posterior, dorsal/ventral or medial/lateral axis is called ______.
How many sperms are formed from 4 primary spermatocytes?
The process of release of spermatozoa from Sertoli cells into cavity of the seminiferous tubules is called ______.
Which one is released from the ovary?
In oogenesis haploid egg is fertilised by sperm at which stage?
Mark the odd one.
What does the figure represent?
If for a species 2n = 16, then during Ist prophase and IInd prophase of the meiotic division of a cell, how many tetrads and diads will be formed:
The region of the root tip whose cells undergo rapid elongation and enlargement and are responsible for the growth of the root in length is called the:
Capacitation refers to changes in the ______.
How many primary oocytes produce one oogonia?
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 ______.
What is spermatogenesis?
Explain Oogenesis with diagram.
