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Superficial placentation is found in monocarpellary ovary.

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Important Questions on Reproductive Health

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Science>Biology>Reproductive Health>Nutrition and Protection of the Foetus
After which month of the embryo development in humans, the growth of the placenta slows down?
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Science>Biology>Reproductive Health>Nutrition and Protection of the Foetus
Transmission tissue is characteristic feature of:
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Science>Biology>Reproductive Health>Nutrition and Protection of the Foetus
Embryo after the first 8 weeks of development is called _____.
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Science>Biology>Reproductive Health>Nutrition and Protection of the Foetus
Human embryo is protected by which cavity?
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Science>Biology>Reproductive Health>Nutrition and Protection of the Foetus
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?
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Science>Biology>Reproductive Health>Nutrition and Protection of the Foetus
The embryo with 8 to 16 blastomeres is called a:
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Science>Biology>Reproductive Health>Nutrition and Protection of the Foetus
What is called differentiation?
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Science>Biology>Reproductive Health>Nutrition and Protection of the Foetus
How many plants among Indigofera, Sesbania, Salvia, Allium, Aloe, mustard, groundnut, radish, gram and turnip have stamens with different lengths in their flowers?
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Science>Biology>Reproductive Health>Nutrition and Protection of the Foetus
In human beings, at the end of 12 weeks (first trimester) of pregnancy, the following is observed:
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Science>Biology>Reproductive Health>Nutrition and Protection of the Foetus

Name the following:

 The structure which connects the placenta and the foetus.

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Science>Biology>Reproductive Health>Nutrition and Protection of the Foetus
What is embryogenesis? Mention two important events that occur during embryogenesis.
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Science>Biology>Reproductive Health>Nutrition and Protection of the Foetus
Pollen grains of a fruiting plants species are deposited on the female flower by a pollinator. However, the female flower does not get fertilized. Which of the following observation is true?
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Science>Biology>Reproductive Health>Nutrition and Protection of the Foetus
What is quickening? In the human embryonic stage, which organs are formed during the third to sixth week of gestation?
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Science>Biology>Reproductive Health>Nutrition and Protection of the Foetus
Distinguish between the blastula and gastrula by giving two points.
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Science>Biology>Reproductive Health>Nutrition and Protection of the Foetus
Proximal end of the filament of stamen is attached to the:
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Science>Biology>Reproductive Health>Nutrition and Protection of the Foetus
Draw a labelled diagram of the T.S. of a mature anther.
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Science>Biology>Reproductive Health>Nutrition and Protection of the Foetus
Example for a monodelphous androecium is
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Science>Biology>Reproductive Health>Nutrition and Protection of the Foetus

Write the differences between blastula and morula.

HARD
Science>Biology>Reproductive Health>Nutrition and Protection of the Foetus
“Double fertilization” is a complex mechanism of flowering plants that is also unique to angiosperms. Choose the most appropriate statement from the options listed below that explains this phenomenon.
MEDIUM
Science>Biology>Reproductive Health>Nutrition and Protection of the Foetus
Papaya is a dioecious species with XY sexual genotype for male and XX for female. What will be the genotype of the embryos and endosperm nuclei after double fertilisation?