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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.
Morula.
- What is this stage?
- Name the stage which comes next to it?
उत्तर
- Morula is a solid spherical mass of cells, resulting from repeated division of zygote.
- Blastocyst is the next stage.
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संबंधित प्रश्न
Name the following:
The canal through which the testes descend into the scrotum just before birth in human male child.
State whether the following statements are TRUE (T) or FALSE (F):
Rewrite the wrong statement by correcting only one word either at the beginning or at the end of the sentence.
Nutrition and oxygen diffuse from the mother’s blood into the foetus’s blood through amnion.
Given below are the names of certain stages/substances related to reproduction and found in human body. Answer the questions related to them.
Gestation
• What is its meaning?
• How long does it normally last?
Differentiate between:
Impotency and sterility
Differentiate between:
Amnion and allantois
The circulatory system of the fetus and that of the mother are never connected directly. What are the advantages?
Describe briefly the ways how a mammalian embryo is protected
Differentiate
Fetus and Embryo.
Assertion (A): The foetus respires but does not breathe.
Reason (R): The maternal blood supplies oxygen to the foetus through placenta.
Write one sentence using the following term pertaining to reproduction in humans.
Placenta
