Question

Bactericidal protein present in human tears is

• A. Opsin
• B. Retinene
• C. Transduction
• D. Lysozyme

Answer 1

The correct option is D Lysozyme

A. Opsin is a light sensitive protein present in the photoreceptor cells of retina in eyes.

B. Retinene, known as retinal, is a derivative of vitamin A. It is present in rods (photoreceptor cells associated with vision under low light).

C. Transduction is the process of transfer of DNA in a bacteria by virus.

D. Lysozyme are the hydrolytic enzyme present in tears which can destroy bacteria or foreign particles.

So, the correct answer is 'Lysozyme'.