2211. How are Latitude and Longitude?
Perpendicular to each other
2212. Which is the anti-knocking compound used in petrol-engines?
Tetra-ethyl Lead
2213. Which Directive Principle is based on Gandhian ideology?
Promotion of cottage industries
2214. Who is the author of “East of Aden”?
John Steinbeck
2215. From which of the country; Constitution of India has adopted fundamental duties?
Erstwhile USSR
2216. Who is the author of “Crescent Moon”?
Rabindranath Tagore
2217. By whom was the principle of "Black hole" enunciated?
S. Chandrashekhar
2218. Vitamin B2 is also called?
Riboflavin
2219. Blood Pressure control is the function of which hormone?
Adrenalin produced by Adrenal gland
2220. Who is the author of Reminiscences of the Nehru Era?
M.O. Mathai