Questions

Defence Research and Development Organisation (DRDO) has developed an unmanned, remotely operated tank which has three variants - surveillance, mine detection and reconnaissance in areas with nuclear and bio threats. It is called Muntra. 

In rusting the Iron ore make a chemical reaction with the oxygen in the presence of water and environmental or atmospheric moisture to produce an Iron oxide. Iron oxide is otherwise called as rust.

The rusting of iron is a chemical change because it is two substances reacting together to make a new substance.

Evaporation causing cooling.Here the evaporation is less. Therefore cooling is less.

Lost Generation definition, the generation of men and women who came of age during or immediately following World War I.

"Literature" was the one field among the following choices given in the question that was associated with the "Lost Generation".