Which of the following oil cakes are non-edible and not suitable for feeding livestock? I. Castor cake II. Neem cake III. Groundnut cake IV. Mahua cake
Options:

Correct option is B

Castor cake, Neem cake, and Mahua cake are non-edible and not suitable for feeding livestock due to toxic components, while Groundnut cake is edible and commonly used as livestock feed.