Identify the fibrous proteins from the following.
(A) Albumins
(B) Keratin
(C) Insulin
(D) Myosin
Choose the correct answer from the options given below:
Answer & explanation
Correct answer: option 2
The correct answer is Option (2) → (B) and (D) only
Proteins are classified as fibrous or globular by the shape of their molecules.
(A) Albumins — Incorrect. Albumins are globular proteins, soluble in water.
(B) Keratin — Correct. The protein of hair, wool and silk is fibrous.
(C) Insulin — Incorrect. Insulin is a globular protein, soluble in water.
(D) Myosin — Correct. The protein of muscles is fibrous.
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 | – | – | – | – |