Name the economist who gave the theory of “Comparative Advantage.”
- Adam Smith
- David Ricardo
- Thomas Robert Malthus
- Amartya Sen
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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.
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.
Name the branch of astronomy that involves the origin and evolution of the universe.
- Cosmology
- Meteorology
- Petrology
- Orology
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Cosmology is "the scientific study of the large-scale properties of the universe as a whole."
Which of the following activities is also referred to as the 'Gold Collar' profession?
- Primary
- Secondary
- Quinary
- Quaternary
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Quinary activities are services that focus on the creation, re-arrangement, and interpretation of new and existing ideas; data interpretation, and the use and evaluation of new technologies. Gold Collar Worker: Refers to highly-skilled knowledgeable people such as doctors, lawyers, scientists, and also young, low-wage workers who also get parental support.
Why does a star produce its own light and heat?
- Nuclear fission
- Nuclear fusion
- Chemical reaction
- None
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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.
