Consider the given two statements:

I: A double-stranded DNA rich in G and C needs more energy to be broken than one that is rich in A and T.
II: While the ratio of G to C and A to T in an organism's DNA is fixed, the GC content can vary considerably from one DNA to another.
 
1. Both I and II are correct and II explains I
2. Both I and II are correct but II does not explain I
3. I is correct and II is incorrect
4. Both I and II are incorrect

Subtopic:  The DNA |
To view explanation, please take trial in the course below.
NEET 2026 - Target Batch - Vital
Please attempt this question first.
Launched MCQ Practice Books

Prefer Books for Question Practice? Get NEETprep's Unique MCQ Books with Online Audio/Video/Text Solutions via Telegram Bot

NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology