Correct option is A
Proteins are commonly grouped as
fibrous or globular based on their shape and function.
Fibrous proteins consist of long, linear polypeptide chains that form structural components.
Globular proteins have polypeptide chains folded into a compact, spherical shape and usually function as enzymes, transporters, or hormones. Thus, Option 1 is correct.
Option 2 is incorrect because the
solubility characteristics are reversed.
Fibrous proteins are generally
insoluble in water due to their structural role and extended shape.
Globular proteins are usually
soluble in water because of their compact structure and surface hydrophilic residues.
Therefore, only Option 1 is correct, making Option (a) the correct choice.