1.

Where are estrogens produced? What is the role of estrogens in the human body?

Answer»

Solution :(i) Estrogen, the female sex hormone is PRODUCED by the Graafian follicles of the ovary
ROLE of estrogen:
(a) It brings about the changes that occur during puberty.
(b) It initiates the process of oogenesis.
(c) It stimulates the maturation of ovarian follicles in the ovary.
(d) It promotes the development of SECONDARY sexual characters (breast development and high pitched voice, etc). (ii) Pollination with the help of wind is known as Anemophily
(iii) Consequences of deforestation: It gives rise to ecological problems like,
(a) Floods (5) Soil erosion (C) Extinction of species
(d) LOSS of wild life (e) Desertification(f) Changes in climatic condition


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