In addition to fingerprint scanning, which of the following can be used in the biometric identification of a person? 1. Iris scanning 2. Retinal scanning 3. Voice recognition Select the correct answer using the code given below.
A1 only
B2 and 3 only
C1 and 3 only
D1, 2 and 3
Answer & Solution
Correct answer: C. 1 and 3 only
UPSC CSE Prelims 2014 (GS-I, Set A), Q.66. Official answer key: C.
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