This section is designed for students preparing for competitive examinations where precision, depth, and speed are essential. It focuses on the most frequently tested and high-yield aspects of DNA and RNA structure, with strong emphasis on NCERT line-based understanding and exam-oriented practice.
In this section, you will study:
High-yield features of DNA double helix and base pairing
Tricky distinctions between DNA and RNA structure
Structural variations such as A-DNA, B-DNA, and Z-DNA
NCERT-based MCQs on nucleotide composition and polarity
Assertion–reason and multi-statement questions
Common conceptual traps related to nucleic acid structure
Previous year question patterns and exam-focused practice sets
The content is structured to improve accuracy, conceptual clarity, and exam temperament, helping students confidently tackle high-difficulty MCQs and theory-based questions in NEET and other competitive entrance exams.
Build a competitive edge by mastering the structure of DNA and RNA through focused, exam-oriented preparation.
Q. What is the function of ribosomal RNA (rRNA)?
A.
Carries genetic information
B.
Forms the core of ribosome structure
C.
Transports amino acids
D.
Catalyzes peptide bond formation
Solution
Ribosomal RNA (rRNA) forms the structural and functional core of ribosomes, which are essential for protein synthesis.
Correct Answer:
B
— Forms the core of ribosome structure