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."
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.
By whom and when did the idea of a constituent assembly was first proposed
- Dr. Sachinand Sinha, 1949
- Dr. Rajendra Prasad, 1949
- Dr. B.R Ambedkar, 1946
- M.N. Roy, 1934
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The idea of a constituent assembly was first proposed in 1934 by M.N. Roy. However, the actual constituent assembly was formed in 1946 on the basis of the cabinet mission plan.
How do we consider a Constitution rigid or flexible?
- Based upon the provisions made for its amendment
- Based upon Constitutional Supremacy
- Based upon Parliamentary Supremacy
- Based upon Judicial Review
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On the basis of amendments, a constitution can be classified into the categories of rigid and flexible. A rigid constitution is one that can't be amended easily, i.e., the US Constitution. A flexible constitution is one that can be amended easily, i.e., Britain.
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.