Question Bank [2022] — BIOLOGY STD 12 Science — Question
Maharashtra BoardEnglish MediumSTD 12 ScienceBIOLOGYQuestion Bank [2022]2 Marks
Question
Describe any two hormones produced by the ovaries.
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Answer
Progesterone: It is secreted by corpus luteum of the ovary after ovulation. It is essential for thickening of uterine endometrium, thus preparing the uterus for implantation of fertilized ovum. It is responsible for development of mammary glands during pregnancy. It inhibits uterine contractions during pregnancy.
Oestrogen: It is secreted by developing follicles. Estradiol is the main oestrogen. It is responsible for development of secondary sexual characters in females.
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