Questions

The Prolactin Protein regulates milk production in mammals.

1558 AD

Abhinandan Varthaman who shot down the Pakistan's F-16 jet has chosen for the first "Bhagwan Mahavir Ahimsa Puraskar".

Crop Rotation is the practice of growing a series of dissimilar or different types of crops in the same area in sequenced seasons. It is done so that the soil of farms is not used for only one set of nutrients. It helps in reducing soil erosion and increases soil fertility and crop yield. The British agriculturist Charles Townshend (1674–1738) popularised this revolutionary technique in the 18th century.

Call center is a subset of BPO. 

Jazz is a music genre that originated in the African-American communities in the early 20th century. The Jazz age occurred during 1920 - 1930 i.e, started post-World War 1 movement and ended with the Great Depression in 1929. It was the age in which jazz music and dance emerged.