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Question
Draw a diagram showing human foetus within the uterus and label any four, parts in it.
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Solution
Foetus developing in the uterus
RELATED QUESTIONS
Which extra-embryonic membrane in humans prevents desiccation of the embryo inside the uterus?
The first movements of the foetus and appearance of hair on its head are usually observed during which month of pregnancy?
The concentration of which of the following substances will decrease in the maternal blood as it flows from embryo to placenta through the umbilical cord?
The human foetus within the uterus
- Oxygen
- Amino Acids
- Carbon dioxide
- Urea
Several hormones like HCG, HPL estrogen, and progesterone are produced by ______.
Placenta is
Match the columns I and II with reference to weeks of pregnancy and the development of a human embryo. Select the correct option from the choices given below:
| Column I | Column II | ||
| I. | 8 weeks | (P) | Limbs and external genital organs |
| II. | 12 weeks | (Q) | Limbs and digits develop. |
| III. | 20 weeks | (R) | Body hair develops. |
| IV. | 24 weeks | (S) | Eyelids separate. |
During embryogenesis in dicots, the zygote divides into a basal cell and a terminal cell. The basal cell divides repeatedly to produce a structure called suspensor. Carefully observe the image given below and describe the function of cell – A and cell – B of the suspensor.
Zygote
Through which structure is the placenta connected to the embryo, containing blood vessels for substance transport?
At what point during pregnancy is the embryo officially referred to as a fetus?
Which hormone prepares the mammary glands for lactation and promotes fetal growth?
