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.
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.
For how many years the charter gave the company a monopoly to trade with the east and west coasts of India?
- 10 Years
- 20 Years
- 15 Years
- Indefinite Years
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For an initial 15 years, the charter granted the company a monopoly on trade with India's east and west coasts.
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.
Which article if the Indian Constitution abolishes untouchability?
- Article 30
- Article 17
- Article 19
- Article 21
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Abolition of Untouchability. To make an untouchability law further strong, parliament passed an Untouchability Offenses Act in 1955. However, this act was further amended and also renamed in the year of 1976 as Protection of the Civil Rights Act, 1955.
