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प्रश्न
Given below is the name of certain stage/substance related to reproduction and found in human body. Answer the questions related to it.
Implantation.
- The development stage that undergoes this process.
- The approximate time after fertilisation, when it occurs.
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उत्तर
- Embryo (Blastocyst).
- In about a week's time.
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संबंधित प्रश्न
Given below is the name of certain stage/substance related to reproduction and found in human body. Answer the questions related to it.
Placenta
- What are the two sources that form placenta?
- Name any two main substances which pass from foetus to mother through placenta.
- Name any two hormones it produces.
Differentiate between:
Follicle and corpus luteum
What is Placenta?
Study the diagram given below and then answer the questions that follow:
(i) Name the parts labeled 1 and 2. State the function of each part.
(ii) State any one function of the amniotic fluid.
(iii) What is the role of the umbilical cord in the development of the fetus?
(iv) Name the part in the diagram which is endocrine in nature.
Complete the following sentences with appropriate word:
The period of complete development of the fetus until birth is termed ______.
Write the functional activity of the following structure:
Placenta
Which of the following reproductive structures is responsible for secretion of hCG?
Which of the following hormones is produced by ovary?
Write one sentence using the following term pertaining to reproduction in humans.
Placenta
Which characteristic describes the direction of blood flow through the umbilical arteries?
