Why does a star produce its own light and heat?
- Nuclear fission
- Nuclear fusion
- Chemical reaction
- None
Stars are huge celestial bodies made mostly of hydrogen and helium. Heat and light energy produced by the stars are due to the fusion reaction of hydrogen atoms.
Who introduced the term state for the first time?
- Karl Marx
- Machiavelli
- Rousseau
- Jean Bodin
The term ‘State’ in its modern sense was first used by Machiavelli. The State consists of four elements. These are (a) the people; (b) the territory; (c) the government and (d) sovereignty.
Name the economist who gave the theory of “Comparative Advantage.”
- Adam Smith
- David Ricardo
- Thomas Robert Malthus
- Amartya Sen
David Ricardo was a classical economist best known for his theory on wages and profit, the labor theory of value, the theory of comparative advantage, and the theory of rents.
________ implies that sustainable development should take a holistic approach towards notions of progress and give equal importance to non-economic aspects of wellbeing.
- National Happiness Index
- Psychological Wellbeing Index
- Living Standards Index
- Community Vitality Index
Gross National Happiness (GNH), sometimes called Gross Domestic Happiness (GDH), it provides a way for the country to understand and enact progress based on the society's value of happiness.
Who was the Prime Minister of the British Empire during the 1857 revolt?
- William Pitt
- Charles Grey
- William Lamb
- Lord Palmerston
Henry John Temple, 3rd Viscount Palmerston was a British statesman who served twice as a Prime Minister in the mid-19th century. Palmerston dominated British foreign policy during the period 1830 to 1865 when Britain was at the height of its imperial power. He held office almost continuously from 1807 until his death in 1865.
