Given below is the diagram of human foetus within the uterus with two labellings ‘X’ and ‘Y’. Select the option which represents the hormone responsible for the formation of structure ‘X’ and the hormone secreted by structure ‘Y’.
[0.7 mark]

Estrogen, hCG

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Progesterone, estrogen

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hPL, relaxin

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Cortisol, prolactin

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Solution

The correct option is B Progesterone, estrogen
Progesterone hormone is responsible for the formation of plug of mucus (structure ‘X’) in cervix. Placental villi (structure ‘Y’) secretes hCG (human chorionic gonadotropin), human placental lactogen (hPL), estrogens, progestogens, etc. Hence, the correct option is b.

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Similar questions

The diagram given below is that of a developing human foetus in the womb. Study the same and answer the questions that follow :

(a) Name the parts '1' to '5' indicated by guidelines.

(b) What term is given to the period of development of the foetus in the womb?

(d) Mention two functions of the parts labelled '2' other than its endocrine function.

(e) Name any one hormone produced by the part labelled '2'.

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