UPSC Prelims 2014
Science & Technology
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.
Explanation
Biometric verification is any means by which a person can be uniquely identified by evaluating one or more distinguishing biological traits. Unique identifiers include:
- Fingerprints - Hand geometry - Earlobe geometry - Retina and iris patterns - Voice waves - DNA - Signatures