Which of the prepackaging treatments is recommended for potatoes, sweet potatoes,
onions and garlic prior to storage or marketing ?

Parabens, as a group of microbial preservatives, are ineffective especially against
one of the following microorganisms :

Malignant Malaria is caused by

Skin cancer is also known as

Hormone secreted in root tip during the formation of nodule is 

Deficiency of folic acid leads to