NEETBotany-Molecular Basis of Inheritance
NEET Botany Structure of DNA and RNA MCQ Question
Type: MCQ-conceptual-Easy-Class 12
The backbone in a polynucleotide chain is formed due to
A
Sugars and nitrogenous bases
B
Phosphates and nitrogenous base
C
Nitrogenous bases and histones
D
Sugar and phosphates
Correct Answer
Option D
Detailed Explanation
The backbone of a polynucleotide chain, such as DNA or RNA, is formed by sugar-phosphate linkages, with the nitrogenous bases attached to the sugars.
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