Match List I with List II

List-I (Protein)	List-II (Property)
a. Structural protein	1. Haemoglobin
b. Transport proteins	2. Collagen and keratin
c. Protective proteins	3. Actin and myosin
d. Contractile proteins	4. Antibodies

A. a-2, b-1, c-4, d-3

B. a-1, b-4, c-3, d-2

C. a-4, b-3, c-2, d-1

D. a-3, b-2, c-1, d-4

Answer: Option A