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प्रश्न
Draw a diagram showing human foetus within the uterus and label any four, parts in it.
उत्तर
Foetus developing in the uterus
संबंधित प्रश्न
Comment on the role of placenta as an endocrine gland.
State the Function of Chorionic Villi
Mention any two functions of the human placenta.
The first movements of the foetus and appearance of hair on its head are usually observed during which month of pregnancy?
Which of the following hormones is not a secretory product of human placenta?
Mark the odd one.
Which of the following is not a function of the placenta?
The secondary sexual characters develop in females because:
Assertion: Functional ADA cDNA genes must be inserted in the lymphocytes at the early embryonic stage.
Reason: Cells in the embryonic stage are mortal, differentiated and easy to manipulate.
The diagram given below shows the early embryonic stages of fish, reptiles, birds and humans. Though adult reptiles, birds and mammals breathe air, their embryos possess gills. How does this fact support evolution?
