Q4. Assertion: DNA and RNA differ in their sugar. Reason: DNA contains 2′-deoxyribose and RNA contains ribose. Are both true, and does the reason explain the assertion?
Both are true, and the reason explains the assertion (NCERT page 111).
Q5. What is the full name of DNA, and which sugar does it contain?
Deoxyribonucleic acid; 2′-deoxyribose (NCERT page 111).
Q6. What role do nucleic acids play in the cell?
They serve as genetic material and pass hereditary information from parents to progeny (NCERT Summary, page 119).