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Nucleic Acids_ DNA Structure MCQs for Competitive Exams

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Nucleic Acids_ DNA Structure MCQs for Competitive Exams

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Topic Notes: Nucleic Acids_ DNA Structure

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Nucleic Acids_ DNA Structure MCQs in Biology are useful for candidates who need targeted practice for CSS, PMS, FPSC, PPSC, NTS, entry tests, and other competitive exams in Pakistan. This topic page is designed for quick revision, repeated practice, and exam-focused preparation.

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51
When atoms of different elements combine via ionic or covalent bonding to form a stable chemical structure, what is this resulting entity called?
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52
What is the full scientific name for the acronym 'DNA'?
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53
Which component is located on the exterior of the DNA double helix structure?
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54
What is the primary chemical component of chromosomes?
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55
In the structure of DNA, which nitrogenous base does cytosine specifically pair with?
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56
How many hydrogen bonds typically form between the nitrogenous bases cytosine and guanine in a DNA molecule?
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57
Which biological molecules are responsible for carrying hereditary information in living organisms?
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58
How are the two polynucleotide strands of a DNA molecule arranged?
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59
How many hydrogen bonds are typically formed between the nitrogenous bases cytosine and guanine in a DNA double helix?
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60
In what year was the double-helix structure of Deoxyribonucleic Acid (DNA) first proposed?
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