✓ Board-verified
Chemistry · 2026 · 1 mark
CBSE 2026 · Region 1 · Set 2 · Q16
Assertion (A): The two strands of DNA are complementary to each other. Reason (R): The hydrogen bonds are formed between specific pairs of bases.
Assertion (A) : The two strands of DNA are complementary to each other.
Reason (R) : The hydrogen bonds are formed between specific pairs of bases.
Official answer
(A)
Both Assertion (A) and Reason (R) are true and Reason (R) is the correct explanation of the Assertion (A).
More from Biomolecules
- Assertion: Vitamin C cannot be stored in our body. Reason (R): Vitamin C is water soluble and readily excreted in urine.2024 · asked 2×
- Write two differences between DNA and RNA. 1 × 22023 · asked 2×
- Differentiate between the following: 2 × 1 (i) Acidic amino acids and basic amino acids (ii) Nucleotide and Nucleoside2026
- Assertion: Glucose gets oxidized to six carbon gluconic acid on reaction with bromine water. Reason (R): The carbonyl group is absent in the open…2026
- Living systems are made up of various complex biomolecules like carbohydrates, proteins, nucleic acids, lipids, etc. Carbohydrates are optically…2023
- Helical structure of proteins is stabilized by:2023
- Assertion: The pentaacetate of glucose does not react with H_2 N-OH. Reason (R): It indicates the presence of free - CHO group in glucose.2026
- Write the reactions of glucose with: H_2 N-OH Br_2 water2024
CBSE Class 12 Chemistry past-paper question from the 2026 board exam, with the answer as CBSE’s own marking scheme gives it. Where our answers come from.