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प्रश्न
State whether the following statements are TRUE (T) or FALSE (F):
Rewrite of the wrong statements by correcting only one word either at the beginning or at the end of the sentences.
Gestation period in humans is about 380 days.
पर्याय
True
False
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उत्तर
False
Gestation period in humans is about 280 days.
संबंधित प्रश्न
Name the following:
The body part in which the embryo develops.
Give appropriate terms for the following:
Rupture of follicle and release of ovum from the ovary.
Given below is the name of certain stage/substance related to reproduction and found in human body. Answer the questions related to it.
Hyaluronidase.
- Is it an enzyme or simply a protein?
- What is its function?
Describe briefly the ways how a mammalian embryo is respires
The diagram given below is that of a developing human foetus in the womb. Study the same and then answer the questions that follow:
- Name the parts '1' to '5' indicated by guidelines.
- What term is given to the period of development of the foetus in the womb?
- How many days does the foetus take to be fully developed?
- Mention two functions of the parts labelled ‘2’ other than its endocrine function.
- Name the hormone (anyone) produced by the part labelled ‘2’.
- What is the function of the part marked ‘3’?
Which of the following reproductive structures is responsible for secretion of hCG?
All are functions of placenta, EXCEPT ______.
In human beings, the placenta is formed by ______.
Match the respiratory surfaces to the organisms in which they are found.
| Organ/ cells | Hormones | ||
| (i) | Corpus luteum | (a) | HCG |
| (ii) | Leydig's cells | (b) | Estrogen |
| (iii) | Placenta | (c) | Progesterone |
| (iv) | Graafian follicle | (d) | Testosterone |
Heart and blood vessels have been formed by the end of five weeks of pregnancy.
