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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
With the help of diagrammatic representation, explain the process of gametogenesis
Draw a sectional view of human ovary and label the different follicular stages, ovum and Corpus luteum.
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.
Describe the process of oogenesis in human female.
At the time of birth, there are _______________ oocytes in the ovary of a female foetus.
What is gamete formation?
The glandular accessory organ which produces the largest proportion of semen is ____________.
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.
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.
Expand the acronym.
LH
Identify the enzyme released by the sperm which has lytic activity.
Four primary spermatocytes give rise to ______.
______ undergoes 2nd meiotic division during spermatogenesis.
Draw a labelled diagram of a Graafian Follicle.
Which of the following events take place during spermatogenesis?
Select the pair of cells which does not divide further by mitosis.
How many autosomes does a human primary spermatocyte have?
The immature male germ cell undergo division to produce sperms by the process of spermatogenesis.
Choose the correct one with reference to the above.
Which among the following has 23 chromosomes?
Preparation of sperm before penetration of ovum is ______.
Which one is released from the ovary?
During oogenesis, each diploid cell produces ______.
Penetration of the sperm in the ovum is followed by ______
Fetal sex can be determined by examining cells from amniotic fluid looking for:
3-celled male gamete develops in:
Human milk differs from cow's milk because human milk contains:
Capacitation refers to changes in the ______.
How many spermatozoa are formed from one secondary spermatocyte?
