Q. When is the “National Science Day” celebrated in India?

? February 28

Q. World Tourism day is observed as

? September 27

Q. October 14 is observed as

? World standards day

Q. When is world post day recognized by the UN observed?

? October 9

Q. When is World Day against Child Labour observed?

? June 12

Q. When Air Force Day in India is celebrated?

? October 8

Q. Name the scientist who first declared that the earth revolves around the sun.

? Copernicus

Q. Through which organ does a fish respire?

? Gills

Q. Which lenses are used by the people having short – sightedness?

? Concave

Q. What type of machine was ENIAC, built in 1946?

? Computer