Q. Consider the following two statements and select the correct option.
Statement I: Oils have higher melting point (e.g., gingely oil) and hence remain as oil in winters.
Statement II:Adenine and thymine are substituted purines while the guanine, cytosine and uracil are substituted pyrimidines.

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Solution:

Oils have lower melting point (e.g., gingely oil) and hence remain as oil in winters.
Adenine and guanine are substituted purines while the thymine, cytosine and uracil are substituted pyrimidines.