GyanGramQuestion
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.
PRELIMS 2014 · SCIENCE & TECHNOLOGY
In addition to fingerprint scanning, which of the following can be used in the biometric…
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• Correct Answer: D
• Iris scanning maps the unique pigmented patterns; retinal scanning maps blood vessel patterns at the retina.
• Voice recognition uses unique vocal biomarkers (pitch, tone) as a behavioural biometric identifier.
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