What Are Constellations?
- A group of stars that appears to form a pattern or picture
- Small chunks of ice and rock come from the outer edge of the solar system
- Collection of billions of stars
- Small irregularly shaped rocks made up of metal or minerals
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A constellation is an area on the celestial sphere in which a group of visible stars forms a perceived pattern or outline.
Which theory explains the origin of the universe?
- Geocentric Model
- Heliocentricity
- Big Bang Theory
- Pulsating Theory
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The Big Bang was 13.8 billion years ago when the universe began as a tiny, dense, fireball that exploded.
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.
What type of economy is followed in India?
- Traditional Economy: Economic system based on goods, services, and work, all of which follow certain established trends.
- Command Economy: A dominant centralized authority – usually the government – that controls a significant portion of the economic structure.
- Market Economy: Economic system based on the concept of free markets.
- Mixed Economy: Economic system that combine the characteristics of the market and command economic systems.
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A mixed economic system is a system that combines aspects of both capitalism and socialism. This means that some industries are controlled by private businesses and individuals, while other industries are controlled by the government.
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.
