486: Ice cubes are floating in a glass of water. When the ice cubes melt, the water level in the glass:
(a) Will first increase and then start decreasing
(b) Will first decrease and then start increasing
(c) Will remain unchanged
(d) Will increase
487: Who of the following is a football player?
(a) Lewis Hamilton
(b) Nicolas Anelka
(c) Fernando Alonso
(d) Kimi Raikkonen
488: The memory of a computer is commonly expressed in terms of Kilobytes or Megabytes. A byte is made up of
(a) eight binary digits
(b) eight decimal digits
(c) two binary digits
(d) two decimal digits
489: Which one of the following is the continent with the highest mean elevation in the world ?
(a) Antarctica
(b) North America
(c) Asia
(d) South America
490: As a result of their annual survey, the National Geographic Society and an international polling firm Globe Scan gave India top rank in Greendex 2009 score. What is this score ?
(a) It is a measure of efforts made by different countries in adopting technologies for reducing carbon footprint
(b) It is a measure of environmentally sustainable consumer behaviour in different countries
(c) It is an assessment of programmes/ schemes undertaken by different countries for improving* the conservation of natural resources.
(d) It is an index showing the volume of. carbon credits sold by different countries