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प्रश्न
The normal gestation period in humans is:
विकल्प
270 days
290 days
280 days
295 days
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उत्तर
280 days
संबंधित प्रश्न
Explain the process of fertilization in human beings.
The site of maturation of human sperms is the
Draw a labelled diagram of the human female reproductive system. With the help of this diagram, explain the working of human female reproductive system.
Which one of the following best describes the function of the umbilical cord? It :
(a) feeds the embryo with digested substances.
(b) conveys nutrients and wastes to and from the embryo respectively
(c) removes waste matter from the embryo to the mother's blood.
(d) supplies oxygenated blood from the mother to the embryo.
During adolescence, several changes occur in the human body. Mark one change from the following associated with sexual maturation in boys.
The ratio of the number of chromosomes in a human zygote and a human sperm is ______
Label the folowing diagram
Choose the Odd One Out:
Choose the Odd One Out:
Distinguish between Vasa efferentia and Vasa deferentia.
