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.
Is the Constitution of India flexible or rigid?
- Rigid
- Flexible
- Both (a) and (b)
- None
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Indian Constitution is both a flexible and rigid form of constitution because in some cases it requires a simple majority of people for passing an amendment and in some cases, it requires the majority of people to pass the amendment.
Name of the first Governor-General of Bengal.
- Warren Hastings
- Lord Dalhousie
- WIlliam Bentick
- Lord Cornwallis
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The first Governor-General of Bengal was Warren Hastings, the head of the Supreme Council of Bengal.
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.
What Are Constellations?
- A group of stars that appears to form a pattern or picture
- Small chunks of ice and rock come from the outer edge of the solar system
- Collection of billions of stars
- Small irregularly shaped rocks made up of metal or minerals
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A constellation is an area on the celestial sphere in which a group of visible stars forms a perceived pattern or outline.
