511 : Who is the inventor of Sewing Machine?
Ans : Issac Singer
512 : In Vallisnaria pollination occurs by?
Ans : Water
513 : PET Scan is Positron Emission Tomography scan is used for studying?
Ans : Brain
514 : Who is the inventor of Photography (Coloured)?
Ans : Gabriel Lippman
515 : Who is the inventor of Oxygen?
Ans : J.B.Priestley
516 : which grow in soil?
Ans : Terrestrial
517 : Who invented Antiseptic Surgery (1867)
Ans : Joseph Listor
518 : The weight of liver in man is about ?
Ans : 1.5kg.
519 : Information Technology Act was enacted in India in?
Ans : 2000
520 : The animals feeding on fruits are known as?
Ans : Frugivores
521 : Who is the inventor of Electrical Resistance?
Ans : Ohm
522 : Who is the inventor of Electric Lamp?
Ans : Edison
523 : Email was introduced by ?
Ans : Ray Tomilson
524 : Insulin prepared outside the body is known as ?
Ans : Huminsulin
525 : Presence of excess urea in the blood ?
Ans : Uremia
