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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
Identify True/False statement. Correct the false statement to make it true.
Oogenesis takes place in the corpus luteum.
Describe the process of budding in hydra.
Which precautions will you follow to maintain the reproductive health?
Describe the process of spermatogenesis with the help of diagram.
What is gamete formation?
Sex organs produce gametes which are diploid.
Answer the following type of question Assertion (A) and Reason (R).
(A) - Head of the sperm consists of acrosome and mitochondria.
(R) - Acrosome contains spiral rows of mitochondria.
Give a schematic representation of spermatogenesis and oogenesis in humans.
Which of the following are known as the nourishing cells present in the seminiferous tubules?
Identify the proper order of spermatogenesis and choose the correct option.
Identify the CORRECT sequence of events.
______ undergoes 2nd meiotic division during spermatogenesis.
The human male gamete is usually about ______ in length.
Which of the following contains a fluid filled cavity called antrum?
Identify the wrong statement from the following.
How many functional sperms and how many ova will be formed by a primary spermatocyte and a primary oocyte.
In spermatogenesis, reduction division of chromosome occurs during conversion of ______.
Which of the following contains the actual genetic part of a sperm?
At what stage of life is oogenesis initiated in a human female?
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?
Growth hormone of pituitary is more effective in ______.
Capacitation refers to changes in the ______.
The mother germ cells are transformed into a mature follicle through series of steps. Provide the missing steps in the blank boxes.
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?
The diagram given below shows the various steps in spermatogenesis.
- Name the parts labelled '1', '2' and '3'.
- Name the process by which part '3' changes to part '4'.
Select a correct pair of cells with identical set of chromosomes.
Match List - I with List - IІ.
| List - I | List - II |
| A. Head | I. Enzymes |
| B. Middle piece | II. Sperm motility |
| C. Acrosome | ΙII. Energy |
| D. Tail | IV. Genetic material |
Choose the correct answer from the options given below:
At the onset of puberty, gonadotropin releasing hormone is secreted by ______.
Which of the following phases are shared by both spermatogenesis and oogenesis?
