Which of the following agencies related to the United Nations is concerned with promoting the growth of international trade and equilibrium in balance of payments?
Options: United Nations Industrial Development Organisation, International Development Association, International Bank for Reconstruction and Development Organisation, United Nation Development Programme
Olympic emblem is composed of five intertwined rings, each of a different colour, representing the five continents of the world as
Options: Blue ring - Europe; Yellow ring - Asia; Black ring - Africa; Red ring- America; Green ring - Oceania, Blue ring - Asia; Yellow ring - Europe; Black ring - Oceania; Red ring- Africa; Green ring - America, Blue ring - Europe; Yellow ring - Asia; Black ring - Africa; Red ring- Oceania; Green ring - America, Blue ring - Asia; Yellow ring - Europe; Black ring - Africa; Red ring- America; Green ring - Oceania
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
It is easier to roll a stone up a sloping road than to lift it vertical upwards because
Options: work done in rolling is more than in lifting, work done in lifting the stone is equal to rolling it, work done in both is same but the rate of doing work is less in rolling, work done in rolling a stone is less than in lifting it