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.
When was Jana Gana Mana adopted as our national anthem?
- 25 January 1950
- 24 January 1950
- 26 January 1950
- 26 November 1949
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On 24 January 1950, ‘Jana Gana Mana’ was adopted as the national anthem.
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.
When did the East India Company?
- 31st December, 1600
- 13th December, 1598
- 31th December, 1609
- 11th December, 1603
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On 31 December 1600, the British East India Company received a Royal Charter from the British monarch Elizabeth I to trade with the East Indies. Later, the company colonized the Indian subcontinent.
Which article of the Indian Constitution describes it as rigid and flexible?
- Article 332
- Article 368
- Article 300
- Article 312
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Article 368 of the Indian Constitution provides for two types of amendments.
1. By a special majority of Parliament.
2. By a special majority of the Parliament with the ratification by half of the total states.