Question

Adhesive forces between _______________ is a principal of film formation.

(a) Polymer molecules

(b) Inner membrane and cell wall

(c) Film and substrate

(d) Endocarp and mesocarp

I had been asked this question during a job interview.

Query is from Edible, Biobased and Biodegradable Food Packaging Materials in division Edible, Biobased and Biodegradable Food Packaging Materials of Food Packaging Technology

Answer 1

The correct option is (c) Film and substrate

For explanation: Adhesive forces between film and substrate are a principle of film formation. It is responsible for keeping the film intact. This forms an edible film, which can be consumed along with the food.