Fibrous protein is characterized by the presence of hydrogen and disulfide bonds. Examples of fibrous protein are
(A) Keratin
(B) Myosin
(C) Insulin
(D) Albumins
Choose the correct answer from the options given below:
Answer & explanation
Correct answer: option 2
The correct answer is Option (2) → (A) and (B) only
Proteins are classified as fibrous or globular by the shape of their molecules.
(A) Keratin — Correct. The protein of hair, wool and silk is fibrous.
(B) Myosin — Correct. The protein of muscles is fibrous.
(C) Insulin — Incorrect. Insulin is a globular protein, soluble in water.
(D) Albumins — Incorrect. Albumins are globular proteins, soluble in water.
NCERT (2026-27 edition):
Structure of Proteins – …
Note: The same/similar question has been asked in different years by NTA as per the details given below:
| 2026 | 2025 | 2024 | 2023 | 2022 |
|---|---|---|---|---|
| 25-05 S1 24-05 S1 | – | – | – | – |