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प्रश्न
Name the two types of twins.
Give the names:
Types of twins.
Name the following:
Two types of twins.
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उत्तर १
Monozygotic twins and Dizygotic twins
उत्तर २
Identical twins and Fraternal twins
APPEARS IN
संबंधित प्रश्न
Fill in the blank:
Lower part of uterus is called _________.
Fill in the blank:
Development of baby (foetus) takes place inside __________.
Mention the exact location of the following :
Corpus callosum
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?
Complete the following statement by choosing the correct alternative:
Female copulatory organ ______.
Draw a label diagram.
Draw a sectional view of the human ovary showing the different stages of developing follicles, corpus luteum, and ovulation.
Match the parts of the given figure with the correct option.
| 1 | 2 | 3 | 4 | 5 | |
| a. | Fallopian tube | Oviduct | Uterus | Cervix | Vagina |
| b. | Oviduct | Cervix | Vagina | Ovary | Vas deferens |
| c. | Ovary | Oviduct | Uterus | Vagina | Cervix |
| d. | Fallopian tube | Ovary | Cervix | Uterus | Vagina |
Womb is used to refer ______.
______ pollen mother cells should undergo meiotic division to produce 64 pollen grains.
Which part of the fallopian tube collects to ovum after ovulation?
Contraction of which muscles are responsible for causing labour during parturition?
Which of the following is/are included in the external genitalia of the female reproductive system?
After birth, colostrum is released from mammary glands which is rich in ______.
Cleavage in mammalian egg is ______.
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.
If the peak of Hormone A does not appear in the study for Subject 1, which of the following statement is true?
To answer the question, study the graphs below for Subjects 1 and 2 showing different levels of certain hormones.
For subject 2 it is observed that the peak for hormone B has reached the plateau stage. After approximately how much time will the curve for hormone B descend?
Fertilization occurs in human females when the sperms and ovum reach simultaneously at ______
Read the following and answer from given below:
During copulation, semen is released by the penis into the vegina. The motile sperms swim rapidly, fuse with the ovum in the ampullary region, resulting in fertilization. The haploid nucleus of sperm fuses with that of the ovum to form a diploid zygote.
What is the signifacance of fertilisation?
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.
The oviducts are also known as ______.
Match the following:
| Ovaries | Bean shape |
| Fallopian tubes | Almond shape |
| Uterus | Funnel – shape |
| Kidney | pear-shaped |
The ______ is also called the womb.
The ______ is also called the womb.
Median vertical depression of external genitalia in females, enclosing the urethral and vaginal opening is ______.
In which region is the female reproductive system located?
How many mammary lobes does each breast have?
Which sequence correctly traces the milk pathway from alveoli to nipple?
What is formed when tubules of each mammary lobe join?
