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प्रश्न
At the time of birth, there are _______________ oocytes in the ovary of a female foetus.
विकल्प
1 to 2 million
2 to 3 million
2 to 4 million
none of these
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उत्तर
At the time of birth, there are 2 to 4 million oocytes in the ovary of a female foetus.
APPEARS IN
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
Male and female gametes are ______.
Name the functions - Acrosome of sperm.
Describe the process of budding in hydra.
Mammalian egg is ____________.
Mention the differences between spermiogenesis and spermatogenesis.
The part labelled as ______ contains the energy source that facilitates sperm motility.
Identify the labels (i-iv) in the given diagram of the ovum.
Formation of ____________ is an indication of the termination of oogenesis.
Which of the following occurs during maturation phase of spermatogenesis?
Which of the following correctly describes the secondary oocyte?
There is no cell division involved in ______.
Corona radia is made up of ______.
At what stage of life is oogenesis initiated in a human female?
In oogenesis haploid egg is fertilised by sperm at which stage?
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?
In spermatogenesis, at the end of the first meiotic division ______ are formed.
Sketch and label the process of oogenesis.
Explain Oogenesis with diagram.
