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.
Constitution day of India is celebrated on
- 26th November 1949
- 26th November 1948
- 26th January 1950
- 26th November 1946
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The Constitution of India was adopted by the Constituent Assembly on 26th November 1949 and came into force on 26th January, 1950.
Which of the following is not a fundamental right?
- Right to Equality
- Right to Life
- Right to Property
- Right against Exploitation
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The Morarji Desai government eventually scrapped the fundamental right to property with the 44th Constitutional Amendment in 1978.
What is the pulsating theory of the universe?
- A cosmological model that combines both the Big Bang and the Big Crunch as part of a cyclical event
- An expansion and contraction of the star as a whole in a regular periodic pulsation
- All the matter of the universe was present in a single place in the form of hot and dense fireball
- Counting of the galaxies is constant and new galaxies which are forming continuously are filling the empty spaces
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Sir J.C. Bose proposed a theory of the ascent of sap known as the pulsation theory. The Pulsating Universe Theory says that the universe follows self-sustaining cycles such as expanding and contrasting.
Which one is not the Component of the Preamble?
- Sovereign
- Secular
- Hostility
- Democratic Republic
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The preamble declares India to be a sovereign, socialist, secular, and democratic republic. The objectives stated by the Preamble are to secure justice, liberty, and equality for all citizens and promote fraternity to maintain the unity and integrity of the nation.