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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
The following is the illustration of the sequence of ovarian events (a − i) in a human female
(i) Identify the figure that illustrates ovulation and mention the stage of oogenesis it represents.
(ii) Name the ovarian hormone and the pituitary hormone that have caused the above mentioned event.
(iii) Explain the changes that occur in the uterus simultaneously in anticipation.
(iv) Write the difference between ‘c’ and ‘h’.
(v) Draw a labeled sketch of the structure of a human ovum prior to fertilization.
Male and female gametes are ______.
Draw a labelled diagram of sperm.
Name the functions - Acrosome of sperm.
Explain the structure of secondary oocyte.
What is gamete formation?
Give scientific reason.
Older women are more likely to give birth to children with some abnormalities.
The glandular accessory organ which produces the largest proportion of semen is ____________.
The process which the sperm undergoes before penetrating the ovum is ____________.
Mention the differences between spermiogenesis and spermatogenesis.
Describe the structure of the human ovum with a neat labelled diagram.
Identify the given image and label its parts marked as a, b, c and d
During spermatogenesis, spermatogonium grows in size to become ______.
Identify the proper order of spermatogenesis and choose the correct option.
______ undergoes 2nd meiotic division during spermatogenesis.
Select the pair of cells which does not divide further by mitosis.
The immature male germ cell undergo division to produce sperms by the process of spermatogenesis.
Choose the correct one with reference to the above.
It The cell division in secondary oocyte is suspended at ______.
The cell which undergoes meiosis I during spermatogenesis is the ______.
How many functional sperms and how many ova will be formed by a primary spermatocyte and a primary oocyte.
Cavity of graafian follicle is ______.
A reaction of granules content which harden the zona pellucida and ensures sure block to polyspermy is ______.
Which of the following are called dual gland?
After the release of the secondary oocyte, the Graafian follicle develops into ______.
Sperms can be stored for several years in liquid nitrogen with a temperature of ______.
3-celled male gamete develops in:
During reproduction, the chromosome number (2n) reduces to half (n) in the gametes and again the original number (2n) is restored in the offspring. What are the processes through which these events take place?
What is the difference between a primary oocyte and a secondary oocyte?
Complete the analogy with respect to the structure of sperm.
Nebenkern : ‘X’ : : Acrosome is formed from : ‘Y’
