Which nation won the highest number of medals at 2016 Rio Olympics?
1). Great Britain
2). USA
3). China
4). Russia
Who invented the hot air balloon?
1). Montgolfier brothers
2). Wright brothers
3). Lisitsyn brothers
4). Walton brothers
______________ scheme by the Central Government aims at providing affordable aviation by making domestic flight charges economically accessible for middle-class citizens of India.
1). Uday Desh Ka Aam Nagrik
2). Urja Ganga
3). Ek Bharat Shrestha Bharat
4). Namami Ganga Yojana
__________ is the interaction in which one species benefits and the other is neither harmed nor benefited.
1). Predation
2). Commensalism
3). Competition
4). Parasitism
The temperature at which a solid melts to become a liquid at the atmospheric pressure is called its ___________.
1). Crystallisation
2). Melting point
3). Evaporation
4). Galvanisation