Match List-I with List-II and select the correct answer from the codes given below the lists:
List-I - List-II

A. Stethoscope - 1. To measure intensity of light
B. Sphygnomanometer - 2. to check purity of gold
C. Caratometer - 3. to hear heart sound
D. Lux meter - 4. to measure blood pressure

Code:
A B C D

A) 1 2 3 4

B) 4 3 2 1

C) 3 4 2 1

D) 2 1 4 3

This MCQ is part of the UP PSC Previous Year Questions (PYQs) series, focusing on UPPSC Prelims 2008 (GS Paper I)