291. On the 22nd of 1905 thousands of unarmed Russian workers marched to the Winter Palace of Czar in St.Peterburg demanding administrative reforms. But the army fired at the mob; Hundereds of workers died; thousands wounded. This incident is known as ?
Bloody Sunday
292. Which is a typical feature of volcanic eruption?
Dykes
293. Who invented the method of smelting iron with coke in 1709?
Abraham Derby
294. The tropopause occurs at the equator at a height of howmany kilometers?
17 km
295. What is the best method for improving the nutrient composition of a diet"?
By combining various foods
296. The Capital of Romania?
Bucharest
297. Who is the author of Bolivian Diary?
Ernesto Che Guera
298. When it is 12 noon at-Greenwich, what is the time at New York (74°W) ?
7.04 a.m.
299. …..is given to environment friendly products of BIS (Bureau of Indian Standards)?
Ecomark
300. Which is the juction point of the Eastern Ghats and Western Ghats of India ?