Multiple choice

Assertion: Carbon is the building block of life. Reason: It is found in greenhouse gases, coal, tar and other poisonous substances like cyanide.

Which of the following options is true?

  1. Assertion and Reason both are correct and Reason is the correct explanation of Assertion.

  2. Assertion and Reason both are correct and Reason is not the correct explanation of Assertion.

  3. Assertion is correct but Reason is wrong.

  4. Reason is correct but Assertion is wrong.
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Carbon is the most essential element of life as every hydrocarbon that constitutes life on Earth comprises of carbon; be it nucleic Acids, proteins, lipids or carbohydrates. It is considered to be the very first element formed in the tree of life. Indeed carbon is found in greenhouse gases, coal, tar and other poisonous substances like cyanide, but this does not support the fact of carbon being the building block of life.  

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