Online GK Series

This site is dedicated to the aspirants of competitive exams SSC, UPSC, Railways, Postal Assistants, Bank, GATE and NET

Connect with Universities & Study Abroad Experts Instantly Connect Now

Q.

In addition to fingerprint scanning, which of the following can be used in the biometric identification of a person?

I. Iris scanning
II. Retinal scanning
III. Voice recognition

Select the correct answer using the code given below.

A I
B II and III
C I and III
D I, II and III
Answer & Explanation
Option: [D]

Your Valuable Comments Please...

Important EBooks for Competitive Exams

VIEW ALL