Botany-DNA Structure
NEET Botany DNA Structure Match the Following Question
Type: Match the Following-match the column-Easy-Class 12
Match Column-I with Column-II.
Column-I Column-II (a) 5'-end (i) phosphate group (b) 3'-end (ii) nitrogenous base (c) Nuclein (iii) Friedrich Meischer (d) Backbone (iv) sugar and phosphates
Choose the correct matching:
A
a-i, b-ii, c-iii, d-iv
B
a-ii, b-i, c-iii, d-iv
C
a-i, b-iv, c-ii, d-iii
D
a-iv, b-ii, c-iii, d-i
Correct Answer
Option A
Detailed Explanation
The 5'-end of a polynucleotide chain has a phosphate group, while the 3'-end has a free OH group. 'Nuclein' was named by Friedrich Meischer, and the backbone of DNA consists of sugar and phosphates, correctly matching the pairs in option A.
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