Which of the following is the correct structure of a monomer present in the structure of a DNA molecule?
1.   2.
3. 4.
Subtopic:  Nucleic Acid: Nucleotides | The DNA |
 72%
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NEET 2025 - Target Batch
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What are thymidine, uridine, and cytidine? 
1. Purines
2. Pyrimidines 
3. Nucleosides 
4. Nucleotides 
Subtopic:  Element Analysis | Nucleic Acid: Nucleotides |
 61%
From NCERT
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Identify the correct statements 
Statement I: Adenine and Guanine are substituted pyrimidines
Statement II: Cytosine, Thymine and Uridine are substituted purines 
 
1. Statement I is correct and Statement II is incorrect
2. Statement I is incorrect and Statement II is correct
3. Both Statement I and Statement II are correct
4. Both Statement I and Statement II are incorrect
Subtopic:  Nucleic Acid: Nucleotides |
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