Which of the following is an example of biometrics?

Prepare for the WJEC Design Technology Exam with detailed flashcards and multiple choice questions, each question comes with hints and explanations. Equip yourself for success!

Multiple Choice

Which of the following is an example of biometrics?

Explanation:
Biometrics is about using measurements of biological traits to identify or verify someone. Deoxyribonucleic acid is a biological molecule with a unique sequence in almost every person (except identical twins), making it a distinctive marker for identification. The other options are engineered materials—piezoelectric material, carbon fibre, and fibreglass—that have technical properties but do not serve as biological identifiers. So, deoxyribonucleic acid best fits the concept of biometrics.

Biometrics is about using measurements of biological traits to identify or verify someone. Deoxyribonucleic acid is a biological molecule with a unique sequence in almost every person (except identical twins), making it a distinctive marker for identification. The other options are engineered materials—piezoelectric material, carbon fibre, and fibreglass—that have technical properties but do not serve as biological identifiers. So, deoxyribonucleic acid best fits the concept of biometrics.

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