Sexual reproduction in plants (angiosperms)
Flowers are the reproductive organs in Angiosperms. A flower is borne on a stalk called pedicel with an upper swollen region known as thalamus. A […]
Month: August 2017
Classification of elements (Modern periodic table)
Modern periodic table was proposed by Henry Moseley in 1963. He found that the atomic number is the more fundamental property which led to the […]
Hormonal regulation of ovulation and menstruation in women
The male is continuously fertile from puberty to old age and sex hormones are secreted throughout that period in a constant rate. However, in case […]
Some important formulae
Some important formulae : Click to download PDF Click to download PDF Some important formulae