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प्रश्न
Draw a labelled diagram of a Graafian Follicle.
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उत्तर १
उत्तर २
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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.
Explain the development of a secondary oocyte (ovum) in a human female from the embryonic stage upto its ovulation. Name the hormones involved in this process.
What is oogenesis?
Identify True/False statement. Correct the false statement to make it true.
Oogenesis takes place in the corpus luteum.
Implantation of embryo occurs in ______.
What is gamete formation?
The male sex hormone testosterone is secreted from ____________.
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.
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.
Which of the following correctly describes the secondary oocyte?
Identify the enzyme released by the sperm which has lytic activity.
What is the location of oogenesis?
Acrosome reaction in sperm is triggered by ______.
Connective tissue around seminiferous tubules possess endocrine cells called ______.
Identify the wrong statement from the following.
The principal tail piece of human sperm shows the microtubular arrangement of ______.
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?
Follicular atresia is:
Capacitation refers to changes in the ______.
Germ cells present in the seminiferous tubules undergo ______
How many primary oocytes produce one oogonia?
The mother germ cells are transformed into a mature follicle through series of steps. Provide the missing steps in the blank boxes.
In spermatogenesis, at the end of the first meiotic division ______ are formed.
Given below are two statements.
- Statement I: The spermatids are non-motile and non-functional which get transformed into functional spermatozoa by the process of spermiogenesis.
- Statement II: During the process of this change, the spermatids remain held to each other and to Leydig's cells by cytoplasmic bridges.
In light of the above statements, select the correct answer from the option given below.
Draw a neat and labelled diagram of spermatogenesis.
Answer the following:
How many primary spermatocytes and oocytes are required for the formation of 100 spermatozoa and ova?
Distinguish between human sperm and ovum.
