What common material found in soil can give a false positive result in a radioimmunoassay?

A) Leaf decay products
B) Common mold
C) Dirt
D) Ergot fungus

Radioimmunoassay

A sensitive technique used in biochemistry to measure concentrations of antigens by the use of antibodies.

False Positive

A test result which wrongly indicates the presence of a condition or characteristic.

Ergot Fungus

A type of fungus that grows on rye and other grains, producing toxins that can cause serious health problems if ingested.