Question : Which is the most widely accepted model to explain the formation and evaluation of the solar system?
Option 1: Nebular hypothesis
Option 2: Gas hypothesis
Option 3: Solar hypothesis
Option 4: Cloud hypothesis
Correct Answer: Nebular hypothesis
Solution : The correct answer is the Nebular hypothesis.
The prevailing model for planetary formation is the nebular hypothesis, suggesting that approximately 4.6 billion years ago, the Solar System originated from the gravitational collapse of a vast molecular cloud. This cloud, spanning several light-years, underwent a collapse, giving rise to numerous stars, including our sun.
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Question : Chlorine gas is a major component of which of the following?
Option 1: Water
Option 2: Tear gas
Option 3: Liquefied petroleum gas
Option 4: Gobar gas
Question : Select the most appropriate synonym of the word 'factual' in the given sentence and choose the correct option. The scientist's hypothesis was based on empirical evidence and rigorous experimentation.
Option 1: Rigorous
Option 2: Hypothesis
Option 3: Evidence
Option 4: Empirical
Question : What is a common name for the substance which irritates lacrimal glands?
Option 1: Tear gas
Option 2: Laughing gas
Option 3: Anaesthetic gas
Option 4: Noble gas
Question : The planned economy in India is based on which system?
Option 1: Capitalist system
Option 2: Traditional system
Option 3: Command system
Option 4: Socialist system
Question : Fog is an example of:
Option 1: gas dispersed in gas
Option 2: liquid dispersed in gas
Option 3: solid dispersed in gas
Option 4: solid dispersed in a liquid
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