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प्रश्न
Name the function of the following:
Sperm tail
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उत्तर
The tail is an extremely vibrating posterior section of the sperm that aids in swimming. The capacity to swim (known as motility) is required for male fertility because the sperm has to move up the vaginal canal, cervix, and cervical canal to reach the ovum.
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संबंधित प्रश्न
Draw a diagrammatic sectional view of the female reproductive system of human and label the parts
(i) where the secondary oocytes develop
(ii) which helps in collection of ovum after ovulation
(iii) where fertilization occurs
(iv) where implantation of embryo occurs.
Name the function of the following:
Endometrium
Where in the fallopian tube does fertilization occur in humans?
Describe the development of a fertilized ovum upto implantation.
Fill in the blank:
Lower part of uterus is called _________.
Fill in the blank:
Development of baby (foetus) takes place inside __________.
What happens in a girl’s body under the influence of hormones?
Rewrite the terms in the correct order so as to be in a logical sequence.
Sperm duct, penis, testes, sperms, semen.
The diagram given below represents a system in the human body. Stud the diagram and answer the following questions:
Label the parts marked 5 and 6.
The diagram alongside is the vertical section of female reproductive organs. Study the diagram and answer the questions that follow:
(i) Name the fully developed part of ovary containing the ovum. (ii) Name the organ of the female body in which the foetus develops.
(iii) What is ovulation?
(iv) Which two hormones are secreted by ovary?
Name the following:
The separation of the foetus from the mother's body.
State the Location:
Ovary
Write the functional activity of the following structure:
Inguinal canal
______ pollen mother cells should undergo meiotic division to produce 64 pollen grains.
Which part of ovary in mammals acts as an endocrine gland after ovulation?
After birth, colostrum is released from mammary glands which is rich in ______.
Which one is correct for mammalian testis?
Which of the following is correct about mammalian testes?
To answer the question, study the graphs below for Subjects 1 and 2 showing different levels of certain hormones.
Which structure in the ovary will remain functional in subject 2?
To answer the question, study the graphs below for Subjects 1 and 2 showing different levels of certain hormones.
Which of the following statements is true about the subjects?
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.
Identify the functions of LH.
- Release of a secondary oocyte from Graafian follicle.
- Stimulates corpus luteum to secrete progesterone.
- Stimulates estrogen formation.
- Promotes development of egg to form secondary oocyte.
What are various ways to avoid pregnancy? Elaborate any one method.
How can we say that fish exhibits external fertilisation?
Capacitation occurs in:
What are the functions of the ovaries and uterus in the female reproductive system?
The ______ is also called the womb.
Clitoris is equivalent to the male penis.
Given below is a group of terms. In the group, one pair indicates the relationship between the two terms. Rewrite and complete the second pair on a similar basis.
Leydig cells : Testosterone : ______ : Oestrogen.
Define the following term:
Hymen
Which hormone facilitates contraction of fallopian tube and uterus to assist movement of sperms towards ampulla?
