The…….., which will nourish the foetus throughout the pregnancy, begins to form after implantation.
a) umbilical cord
b) neural tube
c) placenta
d) gut
Explanation: The placenta is a temporary organ that develops during pregnancy.
Umbilical cord of foetus is attached with
mother’s body via……..
a) endometrium
b) uterus
c) myometrium
d) placenta
Explanation: The umbilical cord is a bundle of blood vessels that develops during the early stages of embryological development.
Which
week of the pregnancy marks the beginning of the embryonic period?
a) first
b) second
c) third
d) fifth
Explanation: The embryonic period begins once the zygote is implanted in the uterine wall.
When the brain, spinal cord, heart and other organs begin to form after pregnancy?
a) first week
b) second week
c) third week
d) fifth week
After fifth week of pregnancy, the embryo is now made of ……..layers.
a) two
b) three
c) four
d) many
Explanation: ectoderm, mesoderm and endoderm
The top layer of embryo-the ectoderm will give rise to the baby’s……..
a) outermost layer of the skin
b) central and peripheral nervous system
c) eyes, inner ear and many connective tissues
d) all of these
