4661. How can fertility of soil be improved?
By adding living earthworms
4662. Who is the author of ‘Vrithantha Pathra Pravarthanam’ the first book on journalism in Malayalam?
Swadeshabhimani K Ramakrishna Pillai
4663. Who is the author of “Malavikagnimitra”?
Kalidas
4664. Which substance is a bad conductor of electricity but a good conductor of heat?
Mica
4665. Under which article was the State of Jammu and Kashmir accorded special status?
Article 370 of the Constitution
4666. Who is the inventor of Vulcanisation?
Goodyear
4667. In 1643 Evangalisa Torichelli invented the first what?
Barometer
4668. First Open Prison was established at Nettukaltheri Trivandrum in the year?
1962
4669. Which is the sweetest sugar?
Fructose
4670. Who is the author of “Oh; Calcutta”?
Kenneth Tynan