state gov TNPSC Group 4 (தமிழ்நாடு குழு IV) Mock Test 2025 General Science

Identify the correct pairing.

1

Nucleoside - Nitrogen base + phosphate

2

Pyrimidines - Cytosine and sugar

3

Purines - Adenine and Guanine

4

Nucleotide - Nucleoside + sugar

5

Answer not known

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