Which of the following is/are pyrimidine derivatives?
1.Cytosine 2. Adenine 3. Uracil 4. Thymine

1 and 4 only

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2 and 3 only

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1 and 3 only

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1, 3 and 4 only

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Solution

The correct option is D 1, 3 and 4 only

Purine derivatives are adenine and guanine.

Pyrimidine derivatives are cytosine, thymine and uracil.

So, D is the correct answer.

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Similar questions

Statement 1: The four nitrogen bases in a DNA molecule are guanine, thymine adenine, cytosine.

Statement 2: Where adenine and thymine are purines and guanine and cytosine are pyrimidines.

Group the following as nitrogenous bases and nucleosides adenine, Cytidine, Thymine, Guanosine, Uracil and Cytosine.

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