Questions

Metropolis is a central city with the developed area surrounding it while Megalopolis is a region made up of 2 or more metropolitan areas.

Tamil Nadu

A grouping of stars that resembles a picture i.e, forms an imaginary outline or pattern typically representing an animal, mythological person or creature, a god, or an inanimate object is called a constellation. The night sky is divided into 88 sections called constellations.

The study of Brain is called as Phrenology. 

Neurology is a branch of medicine dealing with disorders of the nervous system.

Nephrology is the study of kidney.

Neurobiology or Neuroscience is the study of the nervous system

RAM stands for Random Access Memory.

Hamburg, Germany, is located on the river Elbe at the point where it meets the Bille and Alster rivers. The canals, rivers and streams within the city are crossed by a total of 2,302 bridges-more than the cities of Vanice and Amsterdam combined.

Mercury and Bromine both will be in liquid state at room temperature. But mercury is metal. Hence, bromine is the only non metal which is in liquid state at room temperature.