Who introduced the term state for the first time?
- Karl Marx
- Machiavelli
- Rousseau
- Jean Bodin
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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.
What was the comparative advantage theory of David Ricacrdo?
- When a country can produce a good or service at a lower opportunity cost than another country.
- Pursuit of self-interest, division of labor, and freedom of trade.
- A theory of free-market capitalism directly opposed to government intervention.
- A theory centers on entrepreneurship, knowledge, innovation and technological advancement.
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Comparative advantage is an economy's ability to produce a particular good or service at a lower opportunity cost than its trading partners.
Where in the sky would the Pole Star appear to an observer situated on the North Pole?
- At a fixed point on the horizon
- Perpetually below the horizon and invisible
- It depends on the time of the year
- At the zenith (exactly overhead)
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The North Star or Pole Star is famous for holding nearly still in our sky while the entire northern sky moves around it. That's because it's located nearly at the north celestial pole
Who proposed the theory of the expanding universe?
- Georges Lemaitre
- Galileo Galilei
- Edwin Hubble
- Claudius Ptolemy
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American astronomer Edwin Hubble discovered in the 1920s that the Universe is expanding by showing that most galaxies are receding from the Milky Way and the farther away they are, the faster they are receding.
What is the pulsating theory of the universe?
- A cosmological model that combines both the Big Bang and the Big Crunch as part of a cyclical event
- An expansion and contraction of the star as a whole in a regular periodic pulsation
- All the matter of the universe was present in a single place in the form of hot and dense fireball
- Counting of the galaxies is constant and new galaxies which are forming continuously are filling the empty spaces
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Sir J.C. Bose proposed a theory of the ascent of sap known as the pulsation theory. The Pulsating Universe Theory says that the universe follows self-sustaining cycles such as expanding and contrasting.
