EASY
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The first movements of the foetus and appearance of hair on its head are usually observed during which month of pregnancy?

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Important Questions on Human Reproduction

HARD
Biology>Reproduction>Human Reproduction>Pregnancy and Embryonic Development

Match the following:

  List I   List II
A Totipotent cell I Haemopoietic stem cells
B Pluripotent cell II Muscle stem cell
C Multipotent cell III 8 cell stage blastocyst
D Unipotent cell IV Inner cell mass
    V Mast cell
MEDIUM
Biology>Reproduction>Human Reproduction>Pregnancy and Embryonic Development
Morphogenetic movements take place predominantly during the following embryonic stage:
EASY
Biology>Reproduction>Human Reproduction>Pregnancy and Embryonic Development
Assertion (A): During the formation of placenta, some layers of uterus are eroded and during parturition, extensive haemorrhage occurs
Reason (R): Placenta of man is described as haemo endothelial placenta
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Biology>Reproduction>Human Reproduction>Pregnancy and Embryonic Development
The substance that helps in relaxing the muscles and ligaments of pelvic organs during parturition:
EASY
Biology>Reproduction>Human Reproduction>Pregnancy and Embryonic Development
In human beings, at the end of 12 weeks (first trimester) of pregnancy, the following is observed:
MEDIUM
Biology>Reproduction>Human Reproduction>Pregnancy and Embryonic Development
Which ONE of the following statements is CORRECT about placenta?
HARD
Biology>Reproduction>Human Reproduction>Pregnancy and Embryonic Development
From an early amphibian embryo the cells that would give rise to skin in adults were transplanted into the developing brain region of another embryo. The transplanted cells developed into brain tissue in the recipient embryo. What do you infer from this experiment?
EASY
Biology>Reproduction>Human Reproduction>Pregnancy and Embryonic Development
Human embryo is protected by which cavity?
EASY
Biology>Reproduction>Human Reproduction>Pregnancy and Embryonic Development
Which of the following secretes the hormone, relaxin, during the later phase of pregnancy?
MEDIUM
Biology>Reproduction>Human Reproduction>Pregnancy and Embryonic Development

Match the following columns and select the correct option:-

Column-I Column-II
(a) Ovary (i) Human chorionic gonadotropin
(b) Placenta (ii) Estrogen & Progesterone
(c) Corpus luteum (iii) Androgens
(d) Leydig cells (iv) Progesterone only
EASY
Biology>Reproduction>Human Reproduction>Pregnancy and Embryonic Development
Embryo after the first 8 weeks of development is called _____.
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Biology>Reproduction>Human Reproduction>Pregnancy and Embryonic Development
Hormones secreted by the placenta to maintain pregnancy are
HARD
Biology>Reproduction>Human Reproduction>Pregnancy and Embryonic Development
After which month of the embryo development in humans, the growth of the placenta slows down?
EASY
Biology>Reproduction>Human Reproduction>Pregnancy and Embryonic Development
Placenta of human being is
(I) Yolk sac placenta
(II) Chorioallantoic placenta
(III) Zonary placenta
(IV) Discoidal placenta
(V) Haemochorial placenta
(VI) Indeciduate placenta
(VII) Deciduate placenta
EASY
Biology>Reproduction>Human Reproduction>Pregnancy and Embryonic Development
The structure which provides a vascular connection between foetus and uterus is called as
HARD
Biology>Reproduction>Human Reproduction>Pregnancy and Embryonic Development
List the three hormones produced in women only during pregnancy. What happens to the levels of oestrogen and progesterone during pregnancy?
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Biology>Reproduction>Human Reproduction>Pregnancy and Embryonic Development
Placenta also acts as an endocrine tissue and produces several hormones choose the correct option for it.
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Biology>Reproduction>Human Reproduction>Pregnancy and Embryonic Development
The embryo with 8 to 16 blastomeres is called a:
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Biology>Reproduction>Human Reproduction>Pregnancy and Embryonic Development
Select the correct option describing gonadotropin activity in a normal pregnant female:
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Biology>Reproduction>Human Reproduction>Pregnancy and Embryonic Development
Several hormones like hCG, hPL, estrogen, progesterone are produced by