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.
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.
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."
Who prepared the manuscript of the Constitution of India?
- Shantiniketan
- Nandlal Bose
- Dr. B R Ambedkar
- Prem Behari Narain Raizada
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Prem Behari Narain Raizada was an Indian calligrapher. He is notable for being the calligrapher who hand-wrote the Constitution of India.
