511. Which day is celebrated as the International Labour Day?
1-May-2017
512. The profuse amount of pollen grains liberated by pine forests at the time of pollination during the months of March-ApriI is referred to as ?
Sulphur Showers.
513. By when is extinction of a species in a food chain compensated?
Food web
514. Who is the author of “Pakalukal”?
Dr.Ayyappa Panicker
515. In which centuryBuddhism reached Kerala?
3rd century-BC (232BC) during the period of Ashoka
516. The idea of Republic originated in?
Rome
517. The DNA testng technique was first reported in 1984 by?
Sir Alec Jeffreys in England
518. In India, in which sector was the co-operative movement initiated?
Agricultural credit
519. If a material; placed in a magnetic field is thrown out of it; then how is the material?
Diamagnetic
520. The total number of bones in adult human body is ?
206