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प्रश्न
Pregnant mother supplies nourishment to her foetus through ___________.
विकल्प
uterus
placenta
ovary
oviduct
उत्तर
Pregnant mother supplies nourishment to her foetus through placenta.
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संबंधित प्रश्न
Erythroblastosis foetalis is caused when the mother is ____________.
Explain the process of early cleavage till the formation of morula.
Answer in one sentence.
Give two differences between blastula and gastrula.
Answer in one sentence.
What is the difference between embryo and zygote?
Name the embryonic layer from which heart, blood, and blood vessels develop.
Write an account of cleavage during embryonic development in humans.
Write a note on implantation.
______ develops from endoderm.
How many hours after fertilization does first cleavage occur?
Identify the correct order of embryonic development.
Name the hormone secreted by placenta after implantation.
Mention the names of any two organs each derived from ectoderm and mesoderm.
Observe the figure given below and identify the one showing formation of
- Epiblast
- Hypoblast
- Amniotic cavity
- Yolk sac
Name the germinal layer from which nervous system is derived.
Define cleavage.
