Question

Which of the following doesn’t have high levels of heavy metals?

(a) Bread

(b) Distilled water

(c) Coffee

(d) Fish

This question was addressed to me in an interview for internship.

Asked question is from Microbial Applications for Metal Removal in section Microbial Transformation of Heavy Metals of Environmental Biotechnology

Answer 1

Right option is (b) Distilled water

Best explanation: Distilled water doesn’t have any contamination as it is purified. Also, the core source of heavy metals which has high levels of heavy metals in food are bread, beverages, coffee, fish etc, also, these are consumed in large amounts.