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 3Correct
Explanation
Biometric identification involves using unique biological characteristics or behavioral traits to verify a person's identity. In addition to fingerprint scanning, several other advanced biometric methods are commonly employed:
Iris scanning: This highly accurate method analyzes the complex and unique patterns in the colored ring of the eye (iris). Retinal scanning: This technique maps the unique pattern of blood vessels at the back of the eye (retina), offering another very secure form of identification. It is distinct from iris scanning. Voice recognition: This is a behavioral biometric method that identifies individuals based on the unique characteristics of their voice, including pitch, tone, and speech patterns. All three listed options (iris scanning, retinal scanning, and voice recognition) are well-established and widely used technologies for biometric identification, along with fingerprint scanning.
Related questions
More UPSC Prelims practice from the same subject and topic.
- Prelims 2014GS1science-and-technology
With reference to technologies for solar power production, consider the following statements: 1. 'Photovoltaics' is a technology that generates electricity by direct conversion of light into electrici…
- Prelims 2014GS1science-and-technology
Consider the following diseases: 1. Diphtheria 2. Chickenpox 3. Smallpox Which of the above diseases has/have been eradicated in India?
- Prelims 2014GS1science-and-technology
With reference to Agni-IV Missile, which of the following statements is/are correct? 1. It is a surface-to-surface missile. 2. It is fuelled by liquid propellant only. 3. It can deliver one-tonne nucl…
- Prelims 2014GS1science-and-technology
With reference to Neem tree, consider the following statements: 1. Neem oil can be used as a pesticide to control the proliferation of some species of insects and mites. 2. Neem seeds are used in the …
- Prelims 2014GS1science-and-technology
Which one of the following is the process involved in photosynthesis?
- Prelims 2014GS1science-and-technology
Which of the following statements is/are correct regarding vegetative propagation of plants? 1. Vegetative propagation produces clonal population. 2. Vegetative propagation helps in eliminating the vi…