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प्रश्न
Define spermiogenesis.
Define the term spermiogenesis.
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उत्तर १
Spermiogenesis is the process of transforming spermatids into mature, flagellated spermatozoa (sperms).
उत्तर २
The process of transformation of a circular spermatid to a spermatozoon is called spermiogenesis.
संबंधित प्रश्न
How is 'oogenesis' markedly different from 'spermatogenesis' with respect to the growth till puberty in the humans?
The fusion of the male and the female gametes is called ______.
Describe the process of oogenesis in human female.
Describe the process of spermatogenesis with the help of diagram.
If newborns are produced at the age of menopause, they may be with some abnormalities. Why?
In angiosperms, the pollen germinates to produce a pollen tube that carries two gametes. What is the purpose of carrying two gametes when a single gamete can fertilize the egg?
At what stage of development are the gametes formed in newborn male and female?
The following is the illustration of the sequence of ovarian events (a-i) in a human female.
Identify the figure that illustrates ovulation and mention the stage of oogenesis it represents.
The part labelled as ______ contains the energy source that facilitates sperm motility.
500 spermatozoa are formed from ____________ secondary spermatocytes.
Identify the longest period of menstrual cycle.
Identify the CORRECT sequence of events.
First meiotic division is observed in ____________.
Acrosome reaction in sperm is triggered by ______.
After ovulation, Graafian follicle regresses into ______.
There is no cell division involved in ______.
Connective tissue around seminiferous tubules possess endocrine cells called ______.
Cells of corona radiata remain grouped together by ______.
Preparation of sperm before penetration of ovum is ______.
Acrosome is a type of ______.
Which of the following contains the actual genetic part of a sperm?
1st polar body is formed at which stage of oogenesis?
The prostate gland and seminal vehicle perform the function of ______.
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.
Which cell division is involved in the formation of secondary oocytes?
Observe the given figure and answer the questions that follow.
- Label A and B.
- Identify the process.
- What happens during this process and what is formed?
The number of chromosome groups at the equatorial plate in metaphase-I of meiosis in a plant with 2n = 50 shall be:
Explain Oogenesis with diagram.
In which structures does spermatogenesis occur?
Which gamete is produced through oogenesis?
