The current price index (base 1960) is nearly 330. This means that
Options: all items cost 3-3 times more than what they did in 1960, the prices of certain selected items have gone up to 3-3 times, weighted means of prices of certain item has increased 3-3 times, gold price has gone up 3-3 times
Exposure to sunlight helps a person improve his health because
Options: the infrared light kills bacteria in the body, resistance power increases, the pigment cells in the skin get stimulated and produce a healthy tan, the ultraviolet rays convert skin oil into Vitamin D
The Manhattan Project was started by President Roosevelt in 1942 to ensure that the U.S. beat the Germans in developing a nuclear bomb. Whom did Roosevelt appoint as scientific head the Manhattan Project?
Options: Robert Oppenheimer, James B. Conant, Leslie R. Groves, Vannevar Bush
Which of the following geographical features have played a great unifying role in strengthening the forces of homogeneity of the Indian people?The expanses of water surrounding the peninsulaThe Himalayan MountainsThe vastness of the countryThe presence of the Indian ocean