Assertion :The world population was around 2 billion in 1900 which has rocketed to about 6 billion by 2000 Reason: Increase in longevity due to decline in death rate, maternal mortality rate and infant mortality rate has been some major causes of population explosion

Both Assertion and Reason are correct and Reason is the correct explanation for Assertion

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Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion

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Assertion is correct but Reason is incorrect

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Both Assertion and Reason are incorrect

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Solution

The correct option is A Both Assertion and Reason are correct and Reason is the correct explanation for Assertion
With the advent of better medicinal technologies and health care almost most of the diseases can be cured.
The death rate, maternal mortality rate and infant mortality has decreased and have led to increased longevity and increase in population.
This has led to Population explosion.
So, the correct option is 'Both Assertion and Reason are correct and Reason is the correct explanation for Assertion'.

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