Biometrics refers to the automated methods of recognizing and verifying individuals based on their unique physical or behavioral characteristics. These traits include fingerprints, facial patterns, iris textures, voice inflections, and even gait analysis. By capturing and analyzing these features through specialized sensors and algorithms, biometrics provides a secure and convenient way to authenticate identities in various applications, such as smartphone unlocking, airport security, banking systems, and access control in buildings. Its advantages lie in its accuracy, resistance to forgery, and speed, though it also necessitates robust data protection to address privacy concerns.
Table of contents
- Part 1: Create an amazing biometrics quiz using AI instantly in OnlineExamMaker
- Part 2: 20 biometrics quiz questions & answers
- Part 3: Automatically generate quiz questions using AI Question Generator
Part 1: Create an amazing biometrics quiz using AI instantly in OnlineExamMaker
The quickest way to assess the biometrics knowledge of candidates is using an AI assessment platform like OnlineExamMaker. With OnlineExamMaker AI Question Generator, you are able to input content—like text, documents, or topics—and then automatically generate questions in various formats (multiple-choice, true/false, short answer). Its AI Exam Grader can automatically grade the exam and generate insightful reports after your candidate submit the assessment.
Overview of its key assessment-related features:
● Create up to 10 question types, including multiple-choice, true/false, fill-in-the-blank, matching, short answer, and essay questions.
● Automatically generates detailed reports—individual scores, question report, and group performance.
● Instantly scores objective questions and subjective answers use rubric-based scoring for consistency.
● API and SSO help trainers integrate OnlineExamMaker with Google Classroom, Microsoft Teams, CRM and more.
Automatically generate questions using AI
Part 2: 20 biometrics quiz questions & answers
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1. What is biometrics primarily used for?
A. Weather forecasting
B. Human identification and authentication
C. Financial transactions
D. Medical diagnosis
Answer: B
Explanation: Biometrics uses unique physical or behavioral characteristics, such as fingerprints or facial patterns, to verify an individual’s identity securely.
2. Which of the following is an example of a physiological biometric?
A. Signature dynamics
B. Fingerprint scanning
C. Keystroke pattern
D. Voice recognition
Answer: B
Explanation: Physiological biometrics are based on physical traits, and fingerprints are a direct example, unlike behavioral traits like signature or keystroke.
3. What does FAR stand for in biometrics?
A. False Acceptance Rate
B. Facial Authentication Recognition
C. Fingerprint Analysis Rate
D. False Alarm Rate
Answer: A
Explanation: FAR measures the likelihood of the system incorrectly accepting an unauthorized user, which is a key metric for evaluating biometric system accuracy.
4. Which biometric method is most commonly used in smartphones for unlocking?
A. Iris scanning
B. Fingerprint recognition
C. Facial recognition
D. Voice authentication
Answer: C
Explanation: Many smartphones use facial recognition as a convenient and quick method for user authentication, though fingerprint is also common.
5. What is a major advantage of multimodal biometrics?
A. It reduces system cost
B. It increases accuracy by combining multiple traits
C. It eliminates the need for hardware
D. It works only in low-light conditions
Answer: B
Explanation: Multimodal biometrics, such as using both fingerprint and face, improves reliability by cross-verifying traits, reducing error rates.
6. Which biometric trait is least affected by aging?
A. Facial features
B. Iris patterns
C. Fingerprints
D. Hand geometry
Answer: B
Explanation: Iris patterns remain relatively stable throughout a person’s life, making them more reliable compared to traits like facial features that change with age.
7. What is the primary challenge with behavioral biometrics?
A. They are easy to forge
B. They can vary based on user conditions like fatigue
C. They require expensive equipment
D. They are not unique to individuals
Answer: B
Explanation: Behavioral biometrics, such as gait or keystroke, can change due to factors like tiredness or environment, affecting consistency and accuracy.
8. In biometrics, what is liveness detection used for?
A. To measure user age
B. To prevent spoofing attacks
C. To enhance image quality
D. To store data securely
Answer: B
Explanation: Liveness detection ensures that the biometric sample is from a live person, helping to counter attempts to use fake replicas like photos or masks.
9. Which organization standardized many biometric technologies?
A. ISO/IEC
B. WHO
C. NASA
D. FBI
Answer: A
Explanation: ISO/IEC develops international standards for biometrics, ensuring interoperability and security in systems worldwide.
10. What type of biometrics involves the measurement of vein patterns?
A. Retinal scanning
B. Vein recognition
C. Palm print analysis
D. Ear shape identification
Answer: B
Explanation: Vein recognition uses the unique patterns of blood vessels, often in the hand or finger, as a secure and internal biometric trait.
11. Why is fingerprint biometrics popular in forensic applications?
A. It is inexpensive
B. Fingerprints are unique and durable
C. It requires no special equipment
D. It changes frequently
Answer: B
Explanation: Fingerprints are highly unique, remain consistent over time, and can be collected from crime scenes, making them ideal for identification.
12. What is the main disadvantage of facial recognition biometrics?
A. It is too accurate
B. It can be affected by lighting, angles, and disguises
C. It is not widely available
D. It requires physical contact
Answer: B
Explanation: Environmental factors like poor lighting or changes in appearance can reduce the accuracy of facial recognition systems.
13. Which biometric system is considered contact-based?
A. Iris scanning
B. Fingerprint scanning
C. Voice recognition
D. Gait analysis
Answer: B
Explanation: Fingerprint scanning requires direct contact with a sensor, unlike non-contact methods such as iris or voice biometrics.
14. How does biometrics enhance security compared to passwords?
A. It is easier to share
B. It uses something you are, not something you know
C. It never requires updates
D. It is less expensive
Answer: B
Explanation: Biometrics relies on inherent physical traits, making it harder to steal or forget compared to passwords, which can be guessed or phished.
15. What is FRR in biometric terms?
A. False Rejection Rate
B. Facial Recognition Rate
C. Fingerprint Rejection Ratio
D. Full Response Rate
Answer: A
Explanation: FRR indicates the probability that a legitimate user is not recognized by the system, helping to assess its reliability.
16. Which biometric is often used in high-security areas like airports?
A. Handwriting analysis
B. Iris scanning
C. Odor detection
D. Lip movement tracking
Answer: B
Explanation: Iris scanning provides high accuracy and is used in secure environments due to its stability and low error rates.
17. What ethical concern is associated with biometrics?
A. High maintenance costs
B. Privacy and data misuse
C. Limited availability
D. Slow processing speed
Answer: B
Explanation: Biometrics involves sensitive personal data, raising concerns about unauthorized access, surveillance, and potential identity theft.
18. In biometrics, what is template matching?
A. Creating a new user profile
B. Comparing a live sample to a stored template
C. Deleting old data
D. Generating random patterns
Answer: B
Explanation: Template matching involves algorithms that compare an input biometric sample against a pre-stored template to verify identity.
19. Which factor can degrade the performance of voice biometrics?
A. Background noise
B. User height
C. Device color
D. Room temperature
Answer: A
Explanation: Voice biometrics can be affected by environmental noise, accents, or illnesses, leading to recognition errors.
20. What is the role of biometrics in e-commerce?
A. To predict user preferences
B. To authenticate users for secure transactions
C. To manage inventory
D. To handle shipping logistics
Answer: B
Explanation: Biometrics, such as fingerprint or facial recognition, is used to verify users during online payments, reducing fraud in e-commerce.
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Part 3: Automatically generate quiz questions using OnlineExamMaker AI Question Generator
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